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1AFGlobal Corporation 713-393-4200

AFGlobal Corporation is a privately-held Houston-based company

with a global footprint across four continents. Our offerings

support the Oil and Gas, Petrochemical / Refining, General

Industrial, Aerospace and Power Generation markets.

Through innovative design, specialized forging techniques,

and versatility of equipment, AFGlobal is uniquely positioned

to meet our customers exacting requirements efficiently

and economically. We offer a wide array of forged products

manufactured at several AFGlobal facilities across our global

network. Our product offering ranges from commodity flanges

both raw forgings and finished flange profilesto highly

engineered connectors and components for all major

industries. Our product brandsnames like Coffer,

TaperLok, Texas Metal Works, and Forged Vessel

Connectionsare synonymous with quality and reliability.

We also offer everything from squared and contoured rings

to large block forgings. Our forging capabilities allow us to

provide the correct solutions for your challenges.

Our testing and machining services are backed by ASME

and ISO 9001 certifications, along with other industry

standards as required. We also feature advanced in-house

heat treating capabilities, ensuring the highest quality

standards throughout the manufacturing process. As

regulations become more stringent within our industries,

customers have an escalating challenge to satisfy these

requirements. Our engineering team enables AFGlobal

to analyze, develop, and implement flexible solutions to

complex connection challenges.

About AFGlobal

Capabilities OverviewFORGING

Open Die

Closed Die

Upsetting

Hammers

Seamless Ring Rolling

Ring Stretching

FABRICATION & ASSEMBLY

Systems & Sub-Systems

Components

MACHINING

Rough & Finish Turning

Rough & Finish Milling

Drilling

INSPECTION

Riser Inspection

HEAT TREATING

Quench and temper

Anneal

Normalize

Stress Relieve

TESTING

Full Metallurgical Laboratory

(A2LA approved)

WELDING

Tubular

Structural

Clad Overlay & Inlay

Electron Beam

Brazing

MISCELLANEOUS

Shot Blasting

Grinding

Coating & Painting

1

Table of Contents

About AFGlobal ............................................................................................................................. 1

AFGlobal Flange General Information ...........................................................................................4 & 5

ANSI B16.5 FLANGES Class 150 .........................................................................................................................6 & 7 Class 300 ........................................................................................................................8 & 9 Class 400 .................................................................................................................... 10 & 11 Class 600 .................................................................................................................... 12 & 13 Class 900 .................................................................................................................... 14 & 15 Class 1500 ................................................................................................................... 16 & 17 Class 2500 .................................................................................................................. 18 & 19

API 605, MSS-SP-44, INDUSTRY STANDARD AND AWWA FLANGES Class 75 per API-605 ..................................................................................................... 20 & 21 Class 75 per Industry Standard ........................................................................................22 & 23 Class 75 per Industry Standard ........................................................................................ 24 & 25 Class125 LW, AWWA C207 Class B&D ............................................................................. 26 & 27 Class 125, AWWA C207 Class E ......................................................................................28 & 29 Class 150 Welding Neck per MSS-SP44 .................................................................................. 30 Class 150 Welding Neck per API-605 .......................................................................................31 Class 150 Slip-On per MSS-SP-44 .......................................................................................... 32 Class 175 Industry Standard ............................................................................................33 & 34 Class 250 Welding Neck, B16.1 ............................................................................................. 35 Class 250 Slip-On, B16.1 ...................................................................................................... 36 Class 300 Welding Neck & Blind per MSS-SP-44 .......................................................................37 Class 300 Welding Neck & Blind per API-605 ........................................................................... 38 Class 300 Slip-On per MSS-SP-44 .......................................................................................... 39 Class 350 Welding Neck Industry Standard .............................................................................. 40 Class 350 Slip-On Industry Standard ........................................................................................41 Class 400 MSS-SP-44 & API-605 ....................................................................................42 & 43 Class 600 MSS-SP-44 & API-605 ....................................................................................44 & 45 Class 900 MSS-SP-44 & API-605 .................................................................................... 46 & 47

ORIFICE FLANGES Class 300 Welding Neck, Slip-On & Threaded ....................................................................48 & 49 Class 400 Welding Neck ................................................................................................ 50 & 51 Class 600 Welding Neck ................................................................................................52 & 53 Class 900 Welding Neck ................................................................................................54 & 55 Class 1500 Welding Neck ............................................................................................... 56 & 57 Class 2500 Welding Neck ..............................................................................................58 & 59

AFGlobal Corporation 713-393-42002

AFGlobal Corporation 713-393-42003

Table of Contents

MISCELLANEOUS INFORMATION Typical Facings for Steel Pipe Flanges Drawings ..................................................................... 60 Facing Dimensions for Ring Joints Class 150 - Class 600 .................................................. 61 & 62 Facing Dimensions for Ring Joints Class 900 - Class 1500 ................................................63 & 64 Facing Dimensions for Ring Joints Class 2500 ....................................................................... 65

FVC STANDARD AND VARIABLE BODY CONNECTIONS General Information .........................................................................................................66 - 68 Class 150 ......................................................................................................................69 - 72 Class 300 ..................................................................................................................... 73 - 76 Class 400 ..................................................................................................................... 77 - 80 Class 600 ..................................................................................................................... 81 - 84 Class 900 .....................................................................................................................85 - 88 Class 1500 ....................................................................................................................89 - 92 Class 2500 ...................................................................................................................93 - 96 General Notes for FVC Connections .........................................................................................97

FVC STUDDING OUTLETS Class 150 ............................................................................................................................ 98 Class 300 ........................................................................................................................... 99 Class 600 ..........................................................................................................................100 Class 900 ..........................................................................................................................101 Class 1500 .........................................................................................................................102 Class 2500 ........................................................................................................................103 General Notes for FVC Studding Outlets ........................................................................... 104-106

FVC Technical Appendix ......................................................................................................107 - 127


Flange Types Face Types MFG. Standards

Specification Grade Symbol

Special Forgings:

Size Range: Any Size Required

Pressure Range: 75 lb. through 2,500 lb.

Welding Neck

Slip-on

Blind

Spectacle Blinds

Threaded

Socket Weld

Lapped Joint

Orifice

Reducing

Expanding

Long Weld Neck

Studding Outlet

Solids & Special Bores

Specials per Drawings

ASTM A182

ASTM A182

ASTM A182

ASTM A182

ASTM A182

ASTM A182

1% Chrome, % Moly

1 % Chrome, % Moly

2 % Chrome, 1% Moly

4-6% Chrome, % Moly

9% Chrome, 1% Moly

13% Chrome

F-1

F-11 Class 1, 2 & 3

F-22 Class 1 & 3

F-5 & F-5A

F-9

F-6A Class 1,2,3,& 4 (F410)

AFGlobal Flanges are available in the following alloy materials

Raised Face

Flat Face

Large Male & Female

Small Male & Female

Large Tongue & Groove

Small Tongue & Groove

Ring Joint

Lens Joint

O-Ring

16-500 AARH and RMS

Specials per Drawings

ASTM

ASME

ANSI

ASA

MSS

API

AGA

NC 3800

10CFR21

AWWA

Discs or Flat Rounds Blocks and Rectangles Round Bars Custom Shape Forgings Wyes, Laterals, Tees

4


Specification Grade Symbol

ASTM A182

ASTM A182

ASTM A182

ASTM A182

ASTM A182

ASTM A182

ASTM A182

ASTM A182

ASTM A182

ASTM A182

ASTM A182

ASTM A182

ASTM A182

ASTM A182

ASTM A182

ASTM B247

ASTM B247

ASTM B564, B408

ASTM B425

ASTM B160

ASTM B160

ASTM B564, B446

ASTM B564, B166

ASTM B564, B164

ASTM B462, CB3

ASTM B122

ASTM B151

ASTM B691

ASTM B649

ASTM A564

-

Aluminum Alloy

Aluminum Alloy

Nickel Alloy

Nickel Alloy

Nickel Alloy

Nickel Alloy

Nickel Alloy

Nickel Alloy

Nickel Alloy

Nickel Alloy

Cupro Nickel

Cupro Nickel

UNS-N08367

UNS-N08904

UNS-S17400

-

6061 & 6061T6

3003F

Incoloy 800, H & HT

Incoloy 825

Nickel 200

Nickel 201

Inconel 625

Inconel 600

Monel 400

A-20, C-20

90/10

70/30

AL-6XN

904L

Grade 630 (17-4-PH)

INCO 25-6 MO

ASTM A105N

ASTM A350

ASTM A350

ASTM A350

Stainless Steel

Stainless Steel

Stainless Steel

Stainless Steel

Stainless Steel

Stainless Steel

Stainless Steel

Stainless Steel

Stainless Steel

Stainless Steel

Stainless Steel

Stainless Steel

Stainless Steel

Stainless Steel

Stainless Steel

Carbon

Low Temp

Low Temp

Low Temp

F-304

F-304H

F-304L

F-316

F-316H

F-316L

F-321

F-321H

F-347

F-347H

F-310

317

317-L

Duplex F-51 (2205)

F-44 (254-SMO)

A105N

LF-1

LF-2

LF-3

Stainless Steels

For Low Temperatures

Other Types

Other chemistry or materials are available upon request

5


NominalSize

3 12 3 78 4 14 4 58 5 6 7 7 12 8 12 9 10 11 13 12 16 19 21 23 12 25 27 12 29 12 32

OutsideDia.O

1 38 1 1116 2 2 12 2 78 3 58 4 18 5 5 12 6 316 7 516 8 12 10 58 12 34 15 16 14 18 12 21 23 25 14 27 14

Thk.C

RaisedFaceDia.R

18 18 18

316 14 516 516 38 38 716 716 12 12 12 12 12 12 12 12 12 12

0.881.091.361.701.952.442.943.574.074.575.666.728.72

10.8812.8814.1416.1618.1820.2022.2224.25

WeldingNeck

SocketB1

Common Dimensions Bore

12 34 1 1 14 1 12 2 2 12 3 3 12 4 5 6 8 10 12 14 16 18 20 22 24

Length Thru Hub

FilletRadius

r

716 12 916

58 1116 34 78 1516 1516 1516 1516 1 1 18 1 316 1 14 1 38 1 716 1 916 1 1116 1 1316 1 78

To b

e sp

ecifi

ed b

y pu

rcha

ser.

Slip-onB2

LapJoint

B3

.901.111.381.721.972.462.973.604.104.605.696.758.75

10.9212.9214.1816.1918.2020.2522.2524.25

WeldingNeck

Y1

1 78 2 116 2 316 2 14 2 716 2 12 2 34 2 34 2 1316 3 3 12 3 12 4 4 4 12 5 5 5 12 5 1116 5 78 6

Slip-onSocket

Y2

LapJoint

Y3

58 58 1116 1316 78 1 1 18 1 316 1 14 1 516 1 716 1 916 1 34 1 1516 2 316 2 14 2 12 2 1116 2 78 3 18 3 14

58 58 1116 1316 78 1 1 18 1 316 1 14 1 516 1 716 1 916 1 34 1 1516 2 316 3 18 3 716 3 1316 4 116 4 14 4 38

Class 150

ANSI B16.5


Min.

ThreadLength

T

0.620.620.690.810.881.001.121.191.251.311.441.561.751.942.192.252.502.692.88

3.25

38 716 12 916 58 1116 34 1316 78 1516 1516 1 116 1 14 1 516 1 916 1 58 1 34 1 1516 2 18 2 38 2 12

Depthof

SocketD

0.841.051.321.661.902.382.883.504.004.505.566.638.63

10.7512.7514.0016.0018.0020.0022.0024.00

1 316 1 12 1 1516 2 516 2 916 3 116 3 916 4 14 4 1316 5 516 6 716 7 916 9 1116 12 14 38 15 34 18 19 78 22 24 14 26 18

Dia.Hub atBevel

A

HubDia.

X

2 38 2 34 3 18 3 12 3 78 4 34 5 12 6 7 7 12 8 12 9 12 11 34 14 14 17 18 34 21 14 22 34 25 27 14 29 12

58 58 58 58

58 34 34 34 34 34 78 78 78 1 1 1 18 1 18 1 14 1 14 1 38 1 38

4444444488888

1212121616202020

2233468

1012151924395280

110140150180225260

12233578

111315193043649098

130165185220

12233578

11131519304364

105140160195245275

12234579

131720264570

110140180220285355430

12 34 1 1 14 1 12 2 2 12 3 3 12 4 5 6 8 10 12 14 16 18 20 22 24

BoltCircle

Dia.Holes

No.Holes

WeldingNeck

Slip-onThrd.

Sock. W.

LapJoint Blind

NominalSize

Drilling Approx. Weight

Class 150

ANSI B16.5


NominalSize

3 34 4 58 4 78 5 14 6 18 6 12 7 12 8 14 9 10 11 12 12 15 17 12 20 12 23 25 12 28 30 12 33 36

OutsideDia.O

1 38 1 1116 2 2 12 2 78 3 58 4 18 5 5 12 6 316 7 516 8 12 10 58 12 34 15 16 14 18 12 21 23 25 14 27 14

Thk.C

RaisedFaceDia.R

18 18 18

316 14 516 516 38 38 716 716 12 12 12 12 12 12 12 12 12 12

0.881.091.361.701.952.442.943.574.074.575.666.728.72

10.8812.8814.1416.1618.1820.2022.2224.25

WeldingNeck

SocketB1


12 34 1 1 14 1 12 2 2 12 3 3 12 4 5 6 8 10 12 14 16 18 20 22 24

Length Thru Hub

FilletRadius

r

916 58 1116

34 1316 78 1 1 18 1 316 1 14 1 38 1 716 1 58 1 78 2 2 18 2 14 2 38 2 12 2 58 2 34

To b

e sp

ecifi

ed b

y pu

rcha

ser.

Slip-onB2

LapJoint

B3

.901.111.381.721.972.462.973.604.104.605.696.758.75

10.9212.9214.1816.1918.2020.2522.2524.25

WeldingNeck

Y1

2 116 2 14 2 716 2 916 2 1116 2 34 3 3 18 3 316 3 38 3 78 3 78 4 38 4 58 5 18 5 54 5 34 6 14 6 38 6 18 6 58

Slip-onSocket

Y2

LapJoint

Y3

78 1 1 116 1 116 1 316 1 516 1 12 1 1116 1 34 1 78 2 2 116 2 716 2 58 2 78 3 3 14 3 12 3 34 4 4 316

78 1 1 116 1 116 1 316 1 516 1 12 1 1116 1 34 1 78 2 2 116 2 716 3 34 4 4 38 4 34 5 18 5 12 5 34 6

Class 300

ANSI B16.5


Min.

ThreadLength

T

Depthof

SocketD

Dia.Hub atBevel

A

HubDia.

X

2 58 3 14 3 12 3 78 4 12 5 5 78 6 58 7 14 7 78 9 14 10 58 13 15 14 17 34 20 14 22 12 24 34 27 29 14 32

58 34 34 34 78 34 78 78 78 78 78 78 1 1 18 1 14 1 14 1 38 1 38 1 38 1 58 1 58

44444888888

12121616202024242424

234579

1215182532426791

140180250320400465580

233467

1013172228395881

115165190250315370475

233467

1013172228395891

140190250295370435550

233468

12162127355081

124185250295395505640790

12 34 1 1 14 1 12 2 2 12 3 3 12 4 5 6 8 10 12 14 16 18 20 22 24

BoltCircle

Dia.Holes

No.Holes

WeldingNeck

Slip-onThrd.

Sock. W.

LapJoint Blind

NominalSize


0.630.630.690.810.881.131.251.251.441.441.691.812.002.192.382.502.692.752.883.133.25

0.841.051.321.661.902.382.883.504.004.505.566.638.63

10.7512.7514.0016.0018.0020.0022.0024.00

1 12 1 78 2 18 2 12 2 34 3 516 3 1516 4 58 5 14 5 34 7 8 18 10 14 12 58 14 34 16 34 19 21 23 18 25 14 27 58

Class 300

ANSI B16.5

.38

.44

.50

.56

.63

.69

.75

.81

.88

.94


NominalSize

10 11 12 12 15 17 12 20 12 23 25 12 28 30 12 33 36

OutsideDia.O

6 316 7 516 8 12 10 58 12 34 15 16 14 18 12 21 23 25 14 27 14

Thk.C

RaisedFaceDia.R

716 716 12 12 12 12 12 12 12 12 12 12

4.575.666.728.72

10.8812.8814.1416.1618.1820.2022.2224.25

WeldingNeck

SocketB1


4 5 6 8 10 12 14 16 18 20 22 24

Length Thru Hub

FilletRadius

r

1 38 1 12 1 58 1 78 2 18 2 14 2 38 2 12 2 58 2 34 2 78 3

To b

e sp

ecifi

ed b

y pu

rcha

ser.

Slip-onB2

LapJoint

B3

4.605.696.758.75

10.9212.9214.1816.1918.2020.2522.2524.25

WeldingNeck

Y1

3 12 4 4 116 4 58 4 78 5 38 5 78 6 6 12 6 58 6 34 6 78

Slip-onSocket

Y2

LapJoint

Y3

2 2 18 2 14 2 1116 2 78 3 18 3 516 3 1116 3 78 4 4 14 4 12

2 2 18 2 14 2 1116 4 4 14 4 58 5 5 38 5 34 6 6 14

SIZES 12" THRU 3 12"

Thickness and length do not include 14" raised face.

Class 400

ANSI B16.5


Min.

ThreadLength

T

Dia.Hub atBevel

A

HubDia.

X

7 78 9 14 10 58 13 15 14 17 34 20 14 22 12 24 34 27 29 14 32

1 1 1 1 18 1 14 1 38 1 38 1 12 1 12 1 58 1 34 1 78

88

12121616202024242424

35435789

125175230295350425505620

2631446791

130180235285345405510

25294264

110150205260315385455570

334461

100155225290370455587720890

4 5 6 8 10 12 14 16 18 20 22 24

BoltCircle

Dia.Holes

No.Holes

WeldingNeck

Slip-onThrd.

Sock. W.

LapJoint Blind

NominalSize


1.441.691.812.002.192.382.502.692.752.88

3.25

4.505.566.638.63

10.7512.7514.0016.0018.0020.0022.0024.00

5 34 7 8 18 10 14 12 58 14 34 16 34 19 21 23 18 25 14 27 58

ARE IDENTICAL WITH CLASS 600

See 300 Class dimensions for dimensions Q and D.

Class 400

ANSI B16.5


NominalSize

3 34 4 58 4 78 5 14 6 18 6 12 7 12 8 14 9 10 34 13 14 16 12 20 22 23 34 27 29 14 32 34 14 37

OutsideDia.O

1 38 1 1116 2 2 12 2 78 3 58 4 18 5 5 12 6 316 7 516 8 12 10 58 12 34 15 16 14 18 12 21 23 25 14 27 14

Thk.C

RaisedFaceDia.R

18 18 18

316 14 516 516 38 38 716 716 12 12 12 12 12 12 12 12 12 12

0.881.091.361.701.952.442.943.574.074.575.666.728.72

10.8812.8814.1416.1618.1820.2022.2224.25

WeldingNeck

SocketB1


12 34 1 1 14 1 12 2 2 12 3 3 12 4 5 6 8 10 12 14 16 18 20 22 24

Length Thru Hub

FilletRadius

r

916 58 1116 1316 78 1 1 18 1 14 1 38 1 12 1 34 1 78 2 316 2 12 2 58 2 34 3 3 14 3 12 3 34 4

To b

e sp

ecifi

ed b

y pu

rcha

ser.

Slip-onB2

LapJoint

B3

.901.111.381.721.972.462.973.604.104.605.696.758.75

10.9212.9214.1816.1918.2020.2522.2524.25

WeldingNeck

Y1

2 116 2 14 2 716 2 58 2 34 2 78 3 18 3 14 3 38 4 4 12 4 58 5 14 6 6 18 6 12 7 7 14 7 12 7 34 8

Slip-onSocket

Y2

LapJoint

Y3

78 1 1 116 1 18 1 114 1 716 1 58 1 1316 1 1516 2 18 2 38 2 58 3 3 38 3 58 3 1116 4 316 4 58 5 5 14 5 12

78 1 1 116 1 18 1 14 1 716 1 58 1 1316 1 1516 2 18 2 38 2 58 3 4 38 4 58 5 5 12 6 6 12 6 78 7 14

Class 600

ANSI B16.5



Min.

ThreadLength

T

Depthof

SocketD

Dia.Hub atBevel

A

HubDia.

X

2 58 3 14 3 12 3 78 4 12 5 5 78 6 58 7 14 8 12 10 12 11 12 13 34 17 19 14 20 34 23 34 25 34 28 12 30 58 33

58 34 34 34 78 34 78 78 1 1 1 18 1 18 1 14 1 38 1 38 1 12 1 58 1 34 1 34 1 78 2

44444888888

12121620202020242424

24468

12182326426881

120190225280390475590720830

234579

131621376380

115170200230330400510590730

234579

121520366178

110170200250365435570670810

23458

10152029416886

140230295355495630810

10001250

12 34 1 1 14 1 12 2 2 12 3 3 12 4 5 6 8 10 12 14 16 18 20 22 24

BoltCircle

Dia.Holes

No.Holes

WeldingNeck

Slip-onThrd.

Sock. W.

LapJoint Blind

NominalSize


0.630.630.690.810.881.131.251.381.561.631.882.002.252.562.752.883.063.133.25

3.63

0.841.051.321.661.902.382.883.504.004.505.566.638.63

10.7512.7514.0016.0018.0020.0022.0024.00

1 12 1 78 2 18 2 12 2 34 3 516 3 1516 4 58 5 14 6 7 716 8 34 10 34 13 12 15 34 17 19 12 21 12 24 26 14 28 14

38 716 12 916 58 1116 34 1316 78 1516 1516 1 116 1 14 1 516 1 916 1 58 1 34 1 1516 2 18 2 38 2 12

Class 600

ANSI B16.5



NominalSize

9 12 11 12 13 34 15 18 12 21 12 24 25 14 27 34 31 33 34 41

OutsideDia.O

5 6 316 7 516 8 12 10 58 12 34 15 16 14 18 12 21 23 27 14

Thk.C

RaisedFaceDia.R

38 716 716 12 12 12 12 12 12 12 12 12

3.574.575.666.728.72

10.8812.8814.1416.1618.1820.2024.25

WeldingNeck

SocketB1


3 4 5 6 8 10 12 14 16 18 20 24

Length Thru Hub

FilletRadius

r

1 12 1 34 2 2 316 2 12 2 34 3 18 3 38 3 12 4 4 14 5 12

To b

e sp

ecifi

ed b

y pu

rcha

ser.

Slip-onB2

LapJoint

B3

3.604.605.696.758.75

10.9212.9214.1816.1918.2020.2524.25

WeldingNeck

Y1

4 4 12 5 5 12 6 38 7 14 7 78 8 38 8 12 9 9 34 11 12

Slip-onSocket

Y2

LapJoint

Y3

2 18 2 34 3 18 3 38 4 4 14 4 58 5 18 5 14 6 6 14 8

SIZES 12" THRU 2 12" ARE


2 18 2 34 3 18 3 38 4 12 5 5 58 6 18 6 12 7 12 8 14 10 12

Class 900

ANSI B16.5


Min.ThreadLength

T

Dia.Hub atBevel

A

HubDia.

X

7 12 9 14 11 12 12 15 12 18 12 21 22 24 14 27 29 12 35 12

1 1 14 1 38 1 14 1 12 1 12 1 12 1 58 1 34 2 2 18 2 58

888

121216202020202020

315386

110175260325400495680830

1500

265383

110170245325400425600730

1400

255181

105190275370415465650810

1550

295487

115200290415520600850

10752025

3 4 5 6 8 10 12 14 16 18 20 24

BoltCircle

Dia.Holes

No.Holes

WeldingNeck

Slip-onThrd.

Sock. W.

LapJoint Blind

NominalSize


1.631.882.132.252.502.813.003.253.383.503.634.00

3.504.505.566.638.63

10.7512.7514.0016.0018.0020.0024.00

5 6 14 7 12 9 14 11 34 14 12 16 12 17 20 22 14 24 12 29 12

ARE IDENTICAL WITH CLASS 1500


Class 900

ANSI B16.5


NominalSize

4 34 5 18 5 78 6 14 7 8 12 9 58 10 12 12 14 14 34 15 12 19 23 26 12 29 12 32 12 36 38 34 46

OutsideDia.O

1 38 1 1116 2 2 12 2 78 3 58 4 18 5 6 316 7 516 8 12 10 58 12 34 15 16 14 18 12 21 23 27 14

Thk.C

RaisedFaceDia.R

18 18 18

316 14 516 516 38 716 716 12 12 12 12 12 12 12 12 12

0.881.091.361.701.952.442.943.574.575.666.728.72

10.8812.8814.1416.1618.1820.2024.25

WeldingNeck

SocketB1


12 34 1 1 14 1 12 2 2 12 3 4 5 6 8 10 12 14 16 18 20 24

Length Thru Hub

FilletRadius

r

78 1 1 18 1 18 1 14 1 12 1 58 1 78 2 18 2 78 3 14 3 58 4 14 4 78 5 14 5 34 6 38 7 8

To b

e sp

ecifi

ed b

y pu

rcha

ser.

Slip-onB2

LapJoint

B3

.901.111.381.721.972.462.973.604.605.696.758.75

10.9212.9214.1816.1918.2020.2524.25

WeldingNeck

Y1

2 38 2 34 2 78 2 78 3 14 4 4 18 4 58 4 78 6 18 6 34 8 38 10 11 18 11 34 12 14 12 78 14 16

Slip-onSocket

Y2

LapJoint

Y3

1 14 1 38 1 58 1 58 1 34 2 14 2 12 2 78 3 916 4 18 4 1116 5 58 6 14 7 18

1 14 1 38 1 58 1 58 1 34 2 14 2 12 2 78 3 916 4 18 4 1116 5 58 7 8 58 9 12 10 14 10 78 11 12 13

Class 1500

ANSI B16.5



Min.

ThreadLength

T

Depthof

SocketD

Dia.Hub atBevel

A

HubDia.

X

3 14 3 12 4 4 38 4 78 6 12 7 12 8 9 12 11 12 12 12 15 12 19 22 12 25 27 34 30 12 32 34 39

78 78 1 1 1 18 1 1 18 1 14 1 38 1 58 1 12 1 34 2 2 18 2 38 2 58 2 78 3 18 3 58

4444488888

121212161616161616

569

101325364873

130165275455690940

1250162520503325

4589

1225364873

130165260435580

4589

1225354775

140170285485630890

1150147517752825

4689

1325354873

140160300510690975

1300175022253625

12 34 1 1 14 1 12 2 2 12 3 4 5 6 8 10 12 14 16 18 20 24

BoltCircle

Dia.Holes

No.Holes

WeldingNeck

Slip-onThreaded

LapJoint Blind

NominalSize


0.881.001.131.191.251.501.882.002.252.502.753.003.313.36

0.841.051.321.661.902.382.883.504.505.566.638.63

10.7512.7514.0016.0018.0020.0024.00

1 12 1 34 2 116 2 12 2 34 4 18 4 78 5 14 6 38 7 34 9 11 12 14 12 17 34 19 12 21 34 23 12 25 14 30

38 716 12 916 58 1116 34 1316 1516 1516 1 116 1 14 1 516 1 916 1 58 1 34 1 1516 2 18 2 12


Class 1500

ANSI B16.5


NominalSize

5 14 5 12 6 14 7 14 8 9 14 10 12 12 14 16 12 19 21 34 26 12 30

OutsideDia.O

1 38 1 1116 2 2 12 2 78 3 58 4 18 5 6 316 7 516 8 12 10 58 12 34 15

Thk.C

RaisedFaceDia.R

18 18 18

316 14 516 516 38 716 716 12 12 12 12

0.881.091.361.701.952.442.943.574.575.666.728.72

10.8812.88

WeldingNeck

SocketB1


12 34 1 1 14 1 12 2 2 12 3 4 5 6 8 10 12

Length Thru Hub

FilletRadius

r

1 316 1 14 1 38 1 12 1 34 2 2 14 2 58 3 3 58 4 14 5 6 12 7 14

To b

e sp

ecifi

ed b

y pu

rcha

ser.

Slip-onB2

LapJoint

B3

.901.111.381.721.972.462.973.604.605.696.758.75

10.9212.92

WeldingNeck

Y1

2 78 3 18 3 12 3 34 4 38 5 5 58 6 58 7 12 9 10 34 12 12 16 12 18 14

Slip-onY2

LapJoint

Y3

1 916 1 1116 1 78 2 116 2 38 2 34 3 18 3 58 4 14 5 18 6 7 9 10

1 916 1 1116 1 78 2 116 2 38 2 34 3 18 3 58 4 14 5 18 6 7 9 10

Class 2500 Slip-Ons are not included in ANSI B16.5 specifications.Thickness and length do not include 14 raised face.

Class 2500

ANSI B16.5


Min.

ThreadLength

T

Dia.Hub atBevel

A

HubDia.

X

3 12 3 34 4 14 5 18 5 34 6 34 7 34 9 10 34 12 34 14 12 17 14 21 14 24 38

78 78 1 1 18 1 14 1 18 1 14 1 38 1 58 1 78 2 18 2 18 2 58 2 78

44444888888

121212

78

121725425294

145245380580

10751525

78

111622385583

125210325485930

1100

78

111723395686

135225345530

10251300

12 34 1 1 14 1 12 2 2 12 3 4 5 6 8 10 12

BoltCircle

Dia.Holes

No.Holes

WeldingNeck

Slip-onThreaded

LapJoint Blind

NominalSize


1.131.251.381.501.752.002.252.502.753.003.253.754.254.75

0.841.051.321.661.902.382.883.504.505.566.638.63

10.7512.75

1 1116 2 2 14 2 78 3 18 3 34 4 12 5 14 6 12 8 9 14 12 14 34 17 38


78

111622375380

120205315470900

1100

Class 2500

ANSI B16.5


NominalSize

30 32 34 36 38 40 1116 42 1116 44 1116 46 1116 49 14 51 14 53 14 55 14 57 38 59 38 62 64 66

OutsideDia.O

1 516 1 516 1 38 1 3164 1 12 1 58 1 1116 1 34 1 78 2 2 116 2 18 2 14 2 516 2 38 2 12 2 916 2 58

WeldingNeck Blind

38 38 38 38 12 12 12 12 12 12 12 12 12 12 58 58 58 58

ThicknessC

FilletRadius

r

1 516 1 516 1 516 1 38 1 38 1 716 1 12 1 12 1 916 1 1116 1 34 1 1316 1 78 1 78 1 1516 2 2 116 2 316

To b

e sp

ecifi

ed b

y pu

rcha

ser.

BoreB

LengthThruHub

Y

Dia.Hub atBevel

A

HubDia.

X

26 58 28 58 30 58 32 58 34 58 36 1316 38 1316 40 1316 42 1316 44 78 46 78 48 78 50 1516 52 1516 55 57 18 59 18 61 18

27 34 29 34 31 34 33 34 35 34 38 40 42 44 46 12 48 14 50 14 52 14 54 14 56 14 58 12 60 12 62 12

RaisedFaceDia.R

262830323436384042444648505254565860

2 516 2 716 2 916 2 34 2 78 3 38 3 12 3 58 3 34 4 18 4 14 4 38 4 916 4 34 4 1516 5 516 5 716 5 1116

26.0628.0630.0632.0634.0636.0638.0640.0642.0644.0646.0648.0650.0652.0654.0656.0658.0660.06

Class 75

API 605

WELDING NECK


BoltCircle

28 12 30 12 32 12 34 12 36 12 39 116 41 116 43 116 45 116 47 38 49 38 51 38 53 38 55 12 57 12 59 12 61 78 63 78

34 34 34 34 34 78 78 78 78 1 1 1 1 1 1 1 18 1 18 1 18

WeldingNeck Blind

Drilling

NominalSize

No.Holes

255290330390430518595760895

106511851315150516651840211023002500

262830323436384042444648505254565860

808590

105110145160170185230245270290310340400430475

Approx. Weight

Dia.Holes

Class 75

API 605

364044485240404448364044444848404444


NominalSize

33 35 37 39 12 41 12 43 12 50 56 62 12 68 12 75 12 81 12

OutsideDia.O

1 14 1 38 1 38 1 12 1 58 1 58 1 78 2 18 2 38 2 58 2 78 3 18

Slip-On Blind

ThicknessC

Dia.at Baseof Hub

X

1 14 1 14 1 14 1 14 1 14 1 14 1 14 1 14 1 38 1 58 1 34 2

BoreB

LengthThruHub

Y

30 32 34 36 14 38 14 40 14 46 12 52 12 59 65 71 58 77 58

O.D.RaisedFace

R

262830323436424854606672

2 14 2 14 2 14 2 12 2 12 2 12 2 34 2 78 3 18 3 58 4 4 12

Class 75

INDUSTRY STANDARD

26.2528.2530.2532.2534.2536.2542.2548.2554.2560.2566.2572.25

28 12 30 12 32 12 34 58 36 58 38 58 44 34 50 34 57 14 63 14 69 12 75 12

SLIP-ON


BoltCircle

31 33 35 37 38 39 38 41 38 47 34 53 34 60 14 66 14 73 79

1 1 1 1 18 1 18 1 18 1 14 1 14 1 14 1 14 1 38 1 38

Slip-On Blind

Drilling

NominalSize

No.Holes

290360405500600660

100014502000267535504500

262830323436424854606672

120140150170180190235270335450590730

Approx. Weight

Dia.Holes

Class 75

INDUSTRY STANDARD

323636404044485668727280


NominalSize

31 12 33 12 35 12 38 12 40 12 42 12 49 55 61 14 67 14 74 80

OutsideDia.O

1 14 1 14 1 38 1 12 1 12 1 58 1 78 2 18 2 38 2 58 2 78 3 18

WeldingNeck Blind

ThicknessC

Dia.at Baseof Hub

X

1 164 1 14 1 14 1 14 1 14 1 14 1 14 1 14 1 38 1 58 1 78 2 14

BoreB

LengthThruHub

Y

28 58 30 58 32 58 35 37 39 45 12 51 12 57 34 63 34 70 18 76 18

O.D.RaisedFace

R

262830323436424854606672

3 3 3 3 14 3 14 3 14 3 12 3 34 4 4 38 4 78 5 14

Class 75

INDUSTRY STANDARD

27 18 19 18 31 18 33 38 35 38 37 38 43 34 49 34 56 62 68 74

Dia.Hub atBevel

Y

To b

e sp

ecifi

ed b

y pu

rcha

ser.

To b

e sp

ecifi

ed b

y pu

rcha

ser.

WELDING NECK


BoltCircle

29 58 31 58 33 58 36 18 38 18 40 18 46 34 52 34 59 65 71 12 77 12

1 1 1 1 18 1 18 1 18 1 14 1 14 1 14 1 14 1 38 1 38

WeldingNeck Blind

Drilling

NominalSize

No.Holes

265300370470520620970

13751925257534004350

262830323436424854606672

98105110140150160210240310400560700

Approx. Weight

Dia.Holes

Class 75

INDUSTRY STANDARD

323636364040485264727280


NominalSize

11 13 12 16 19 21 23 12 25 27 12 29 12 32 34 14 36 12 38 34 41 34 43 34 46 48 34 50 34 53 55 14 57 14 59 12 61 34 64 66 14 73 80 86 12 99 34 113 14

OutsideDia.O

Slip-On125 LW,

B, D

Ring

ThicknessC

X

916 916 1116 1116 34 34 34 34 1 1 1 1 1 1 18 1 18 1 18 1 18 1 18 1 14 1 14 1 14 1 38 1 38 1 38 1 38 1 12 1 12 1 12 1 34 2

Bore Length Thru Hub

D

68

10121416182022242628303234363840424446485052546066728496

Class125 LW, AWWA C207 CLASSES B, D

6.728.72

10.8812.8814.1416.1618.1820.2022.2224.2526.2528.2530.2532.2534.2536.2538.2540.2542.2544.2546.2548.2550.2552.2554.2560.2566.2572.2584.2596.25

SLIP-ON

B

Hub Dia.X

1116 1116 1116 1116 1116 1116 1116 1116 34 34 1316 78 78 1516 1516 1 1 1 1 18 1 18 1 18 1 14 1 14 1 14 1 1132 1 12 1 58 1 34 2 2 14

1116 1116 1116 1316 1516 1 1 116 1 18 1 316 1 14 1 516 1 516 1 38 1 12 1 12 1 58 1 58 1 58 1 34 1 34 1 34 1 34 2 2 2 18 2 14 2 12 2 58 2 34 3

7 916 9 1116 12 14 38 15 34 18 19 78 22 24 14 26 18 28 12 30 12 32 12 34 34 36 34 38 34 40 34 43 45 47 49 51 53 55 57 63 69 75 87 12 100

1 14 1 14 1 14 1 14 1 14 1 14 1 14 1 14 1 34 1 34 1 34 1 34 1 34 1 34 1 34 1 34 1 34 1 34 1 34 2 14 2 14 2 12 2 12 2 12 2 12 2 34 2 34 2 34 3 3 14

Note: Blind Flanges will be furnished to thicknesses listed above, unless otherwise specified.


BoltCircle

34 34 34 34 78 78 78 78 78 78 78 78 1 1 1 1 1 1 1 18 1 18 1 18 1 18 1 14 1 14 1 38 1 38 1 38 1 38 1 58 1 78

Slip-On

125 LW, B & D D

Drilling

NominalSize

No.Holes

121520335060658090

110130145165210220265300315365385400430500540615760

1025120015752125

131826424458596976

115125140150205215235265280330350365425450475500640750850

12251725

Approx. Weight

Dia.Holes

B

88

12121216162020202428282832323236364040444444445252606468

Class125 LW, AWWA C207 CLASSES B, D

125 LWD

Size B

1114203036434550607085

100110145150175200205250265275325340360420535799840

12001665

78 78 1 1 1 18 1 18 1 14 1 14 1 38 1 38 1 38 1 38 1 38 1 58 1 58 1 58 1 58 1 58 1 58 1 58 1 58 1 58 1 78 1 78 1 78 1 78 1 78 1 78 2 18 2 38

9 12 11 34 14 14 17 18 34 21 14 22 34 25 27 14 29 12 31 34 34 36 38 12 40 12 42 34 45 14 47 14 49 12 51 34 53 34 56 58 14 60 12 62 34 69 14 76 82 12 95 12 108 12

Bolt Hole Dia. Ring

68

10121416182022242628303234363840424446485052546066728496


NominalSize

11 13 12 16 19 21 23 12 25 27 12 29 12 32 34 14 36 12 38 34 41 34 43 34 46 48 34 50 34 53 55 14 57 14 59 12 61 34 64 66 14 73 80 86 12 99 34 113 14

OutsideDia.O

ThicknessC

1 1 18 1 316 1 14 1 38 1 716 1 916 1 1116 1 1316 1 78 2 2 116 2 18 2 14 2 516 2 38 2 38 2 12 2 58 2 58 2 1116 2 34 2 34 2 78 3 3 18 3 38 3 12 3 78 4 14

Bore Length Thru Hub

68

10121416182022242628303234363840424446485052546066728496

Class125 & AWWA C207 CLASS E

6.728.72

10.8812.8814.1416.1618.1820.2022.2224.2526.2528.2530.2532.2534.2536.2538.2540.2542.2544.2546.2548.2550.2552.2554.2560.2566.2572.2584.2596.25

WELDING NECK

X

Hub Dia.X

7 916 9 1116 12 14 38 15 34 18 19 78 22 24 14 26 18 28 12 30 34 32 34 35 37 39 14 41 34 43 34 46 48 50 52 14 54 14 56 12 58 34 65 14 71 12 78 12 90 12 102 34

3 12 4 4 4 12 5 5 5 12 5 1116 5 78 6 5 5 116 5 18 5 14 5 516 5 38 5 38 5 12 5 58 5 58 5 1116 5 34 5 34 5 78 6 6 18 6 38 6 12 6 78 7 14

Note: Blind Flanges will be furnished to thicknesses listed above, unless otherwise specified.

C

WeldingNeck

B1

Slip-OnB2

Slip-OnY2

WeldingNeck

Y1

To b

e sp

ecifi

ed b

y pu

rcha

ser.

1 916 1 34 1 1516 2 316 2 14 2 12 2 1116 2 78 3 18 3 14 3 38 3 716 3 12 3 58 3 1116 3 34 3 34 3 78 4 4 4 116 4 18 4 18 4 14 4 38 4 12 4 78 5 5 38 5 34


BoltCircle

Slip-On

Drilling

NominalSize

No.Holes

193043648593

120155175210235270305375400450530570650690730800830920

102512501625192526003275

Approx. Weight

Dia.Holes

88

12121216162020202428282832323236364040444444445252606468

Class 125 & AWWA C207 CLASS E

WeldingNeck

24395280

110140150180225255265295340410440495570620710750800870900

1000110013501775210028253800

78 78 1 1 1 18 1 18 1 14 1 14 1 38 1 38 1 38 1 38 1 38 1 58 1 58 1 58 1 58 1 58 1 58 1 58 1 58 1 58 1 78 1 78 1 78 1 78 1 78 1 78 2 18 2 38

68

10121416182022242628303234363840424446485052546066728496

6.638.63

10.7512.7514.0016.0018.0020.0022.0024.0026.0028.0030.0032.0034.0036.0038.0040.0042.0044.0046.0048.0050.0052.0054.0060.0066.0072.0084.0096.00

Dia.Hub atBevel

A

9 12 11 34 14 14 17 18 34 21 14 22 34 25 27 14 29 12 31 34 34 36 38 12 40 12 42 34 45 14 47 14 49 12 51 34 53 34 56 58 14 60 12 62 34 69 14 76 82 12 95 12 108 12


NominalSize

34 14 36 12 38 34 41 34 43 34 46 48 34 50 34 53 55 14 57 14 59 12 61 34 64 66 14 68 34 71 73

OutsideDia.O

38 716 716 716 12 12 12 12 12 12 12 12 12 12 12 12 12 12

Drilling

FilletRadius

r

2 1116 2 1316 2 1516 3 316 3 14 3 916 3 716 3 916 3 1316 4 4 116 4 14 4 38 4 916 4 34 4 78 5 116 5 316

To b

e sp

ecifi

ed b

y pu

rcha

ser.

BoreB

Dia.Holes

No.Holes

Approx.Wt.

WNF

26 58 28 58 30 58 32 58 34 58 36 1316 38 1316 40 1316 42 1316 44 78 46 78 48 78 50 1516 52 1516 55 57 18 59 18 61 18

4 34 4 1516 5 38 5 1116 5 78 6 316 6 316 6 716 6 34 7 7 1516 7 916 8 8 14 8 12 9 9 14 9 716

Dia.Hub atBevel

A

262830323436384042444648505254565860

31 34 34 36 38 12 40 12 42 34 45 14 47 14 49 12 51 34 53 34 56 58 14 60 12 62 34 65 67 14 69 14

242828283232323636404044444444484852

Class 150

MSS-SP-44

WELDING NECK

LengthThruHub

Y

BoltCircle

HubDia.

X

Thickness(Min.)

C

RaisedFaceDia.R

To b

e sp

ecifi

ed b

y pu

rcha

ser.

29 12 31 12 33 34 36 38 40 14 42 14 44 14 47 49 51 53 12 55 12 57 12 59 12 62 64 66

1 38 1 38 1 38 1 58 1 58 1 58 1 58 1 58 1 58 1 58 1 58 1 58 1 78 1 78 1 78 1 78 1 78 1 78

300345400505540640720775890990

10601185127014101585176019152045


Class 150

API 605

NominalSize

30 1516 32 1516 34 1516 37 116 39 916 41 58 44 14 46 14 48 14 50 14 52 1316 54 1316 56 1316 58 1316 61 63 65 1516 67 1516

OutsideDia.O

Drilling

FilletRadius

r

To b

e sp

ecifi

ed b

y pu

rcha

ser.

BoreB

Dia.Holes

No.Holes

Approx.Wt.

WNF

26 158 28 1516 31 33 116 35 18 37 316 39 14 41 516 43 38 45 38 47 116 49 12 51 12 53 916 55 58 57 1116 59 1116 61 1316

3 12 3 34 3 1516 4 14 4 1132 4 58 4 78 5 116 5 14 5 38 5 1116 5 78 6 116 6 316 6 38 6 916 6 78 7 116

Dia.Hub atBevel

A

262830323436384042444648505254565860

LengthThruHub

Y

BoltCircle

HubDia.

X

Thickness(Min.)

C

RaisedFaceDia.R

To b

e sp

ecifi

ed b

y pu

rcha

ser.

28 30 32 34 36 14 38 14 40 14 42 12 44 12 46 12 48 58 50 34 52 34 54 34 56 34 58 38 60 34 63

120140150170210240290310345370435480520550620650780850

1 58 1 34 1 34 1 1316 1 1516 1 1316 2 116 2 18 2 316 2 516 2 716 2 916 2 1116 2 34 2 1316 2 78 2 1516 3

38 38 38 38 38 38 38 38 716 716 716 716 716 716 716 916 916 916

29 38 31 516 33 516 35 716 37 1116 39 34 42 18 44 18 46 18 48 18 50 916 52 916 54 916 56 916 58 34 60 34 63 716 65 716

364044484044404448524044485256604852

78 78 78 78 1 1 1 18 1 18 1 18 1 18 1 14 1 14 1 14 1 14 1 14 1 14 1 38 1 38


Nominal

Size

34 14 36 12 38 34 41 34 43 34 46 48 34 50 34 53 55 57 14 59 12

FlangeO.D.

O

38 716 716 716 12 12 12 12 12 12 12 12

FilletRadius

r

2 1116 3 116 3 516 3 2764 3 1116 3 3132 4 116 4 316 4 716 4 1116 4 5564 5 116

Flange Bore

B2

Dia.Holes

No.Holes

28 14 30 12 32 12 34 12 36 12 38 34 41 14 43 14 45 12 47 34 49 34 52

3 1116 3 1316 3 1516 4 316 4 14 4 916 4 916 4 1316 5 116 5 316 5 516 5 916

262830323436384042444648

31 34 34 36 38 12 40 12 42 34 45 14 47 14 49 12 51 34 53 34 56

242828283232323636404044

Class 150

MSS-SP-44

LengthThruHubY2

BoltCircle

HubDia.

X

FlangeThickness

C

RaisedFaceDia.R

29 12 31 12 33 34 36 38 40 14 42 14 44 14 47 49 51 53 12

1 38 1 38 1 38 1 58 1 58 1 58 1 58 1 58 1 58 1 58 1 58 1 58

26.2528.2530.2532.2534.2536.2538.2540.2542.2544.2546.2548.25

FACING AND DRILLING MATCHES MSS-SP-44 CLASS 150 FLANGES


Class 175

INDUSTRY STANDARD

NominalSize

31 12 33 12 35 34 37 34 40 14 42 14 44 14 46 14 49 51 53 55 57 59 12 61 12 67 12 73 12 80

OutsideDia.O

Length Thru HubY

B2

RaisedFaceDia.R

Slip-On

Dia.Hub at Bevel

A

29 31 33 14 35 14 37 38 39 38 41 38 43 38 45 34 47 34 49 34 51 34 53 34 56 58 64 70 76 12

B1

262830323436384042444648505254606672

HubDia.

X

WeldingNeckBlind

WeldingNeck

Slip-On

To b

e sp

ecifi

ed b

y pu

rcha

ser.

1 38 1 38 1 38 1 38 1 12 1 12 1 34 1 34 2 2 2 2 14 2 14 2 58 2 58 2 34 3 18 3 58

WELDING NECK

ThicknessC

Bore

2 34 2 34 2 34 2 34 3 38 3 38 3 34 4 4 38 4 38 4 58 4 78 4 78 5 38 5 38 5 78 6 78 8

27 58 29 58 31 78 33 78 35 78 37 78 39 78 41 78 44 18 46 18 48 18 50 18 52 18 54 14 56 14 62 14 68 12 74 12

1 38 1 38 1 38 1 38 1 34 1 34 2 2 2 38 2 38 2 38 2 58 2 58 3 3 3 18 4 5

1 78 2 2 18 2 14 2 38 2 12 2 58 2 34 2 78 3 3 18 3 38 3 38 3 58 3 58 4 4 38 4 34

26.2528.2530.2532.2534.2536.2538.2540.2542.2544.2546.2548.2550.2552.2554.2560.2566.2572.25

3 38 3 38 3 58 3 58 3 34 3 34 4 18 4 18 4 12 4 12 4 12 4 78 4 78 5 38 5 38 5 34 6 18 6 58

To b

e sp

ecifi

ed b

y pu

rcha

ser.


BoltCircleDia.

29 78 31 78 34 18 36 18 38 38 40 38 42 38 44 38 46 78 48 78 50 78 52 78 54 78 57 14 59 14 65 14 71 14 77 34

78 78 78 78 1 1 1 1 1 18 1 18 1 18 1 18 1 18 1 14 1 14 1 14 1 14 1 14

WeldingNeck

Slip-On

Drilling

NominalSize

No.Holes

105115130140200210250270365380410460480600620730

10001400

262830323436384042444648505254606672

120130150160195205245255340360375430450560580680830

1075

Approx. Weight

Dia.Holes

Class 175

INDUSTRY STANDARD

282836363636364040404044444444485664

Blind

405490590700840970

112513001500170019252225240028003000400051756650


Nominal

Size

38 14 40 34 43 45 14 47 23 50 53 24 54 12 57 59 14 61 14 65

Dia.of

FlangeO

Dia. of Std. Raised

Face PerANSI B16.1

2 1316 2 1516 3 3 18 3 14 3 38 3 716 3 916 3 1116 3 34 3 78 4

Approx.Weight

PerFlange

No.Bolt

Holes

LengthThruHub

Y

30 12 33 35 14 37 12 39 12 41 12 43 12 45 34 47 34 49 34 51 34 55

262830323436384042444648

32 716 34 1516 37 316 39 716 41 716 43 1116 45 1116 47 1516 50 716 52 1116 54 14 58 716

Class 250 Welding Neck

B 16.1

Dia.of

BoreB

Dia.Bolt

Holes

Thick.of

FlangeC

LargeDia. ofHub

X

BoltCircleDia.

34 12 37 39 14 41 12 43 12 46 48 50 14 52 34 55 57 14 60 34

1 78 1 78 1 78 1 78 1 78 2 18 2 18 2 18 2 18 2 18 2 18 2 18

534629702793882969

105711581318142315361824T

o be

spe

cifie

d by

pur

chas

er. 5 1316

5 1516 6 6 18 6 14 6 38 6 716 6 916 6 1516 7 7 18 7 14

282828282832323636364040

Dia. of Std. Raised

Face PerANSI B16.1

29 12 31 12 33 34 36 38 40 14 42 14 44 14 47 49 51 53 12


Nominal

Size

38 14 40 34 43 45 24 47 23 50 53 24 54 12 57 59 14 61 14 65

Dia.of

FlangeO

Dia. of Std. Raised

Face PerANSI B16.1

2 1316 2 1516 3 3 18 3 14 3 38 3 716 3 916 3 1116 3 34 3 78 4

Approx.Weight

PerFlange

No.Bolt

Holes

LengthThruHub

Y

30 12 33 35 14 37 12 39 12 41 12 43 12 45 34 47 34 49 34 51 34 55

262830323436384042444648

32 716 34 1516 37 316 39 716 41 716 43 1116 45 1116 47 1516 50 716 52 1116 54 14 58 716

Class 250 Slip-On

B 16.1

Dia.of

BoreB

Dia.Bolt

Holes

Thick.of

FlanceC

LargeDia. ofHub

X

BoltCircleDia.

34 12 37 39 14 41 12 43 12 46 48 50 14 52 34 55 57 14 60 34

1 78 1 78 1 78 1 78 1 78 2 18 2 18 2 18 2 18 2 18 2 18 2 18

531637707810889970

106211721288139715101797

4 34 5 5 5 18 5 14 5 38 5 12 5 12 5 58 5 34 5 78 6

282828282832323636364040

Dia. of Std. Raised

Face PerANSI B16.1

29 12 31 12 33 34 36 38 40 14 42 14 44 14 47 49 51 53 12

26 14 28 14 30 14 32 14 34 14 36 14 38 14 40 14 42 14 44 14 46 14 48 14

Blinds available upon request.


Class 300

MSS-SP-44

NominalSize

38 14 40 34 43 45 14 47 12 50 46 48 34 50 34 53 14 55 14 57 34 60 14 62 14 65 14 67 14 69 14 71 14

OutsideDia.O

FilletRadius

r

RaisedFaceDia.R

Dia. Holes

Approx.Wt.

WNF

29 12 31 14 33 34 36 38 40 18 40 12 42 34 44 34 47 49 51 14 53 12 55 12 57 34 59 34 62 64

BoreB

262830323436384042444648505254565860

HubDia.

X

BoltCircle

WNF BF

To b

e sp

ecifi

ed b

y pu

rcha

ser.

3 18 3 38 3 58 3 78 4 4 18 4 14 4 12 4 1116 4 78 5 116 5 14 5 12 5 1116 6 6 116 6 14 6 716

WELDING NECK

ThicknessC

28 38 30 12 32 916 34 1116 36 78 39 39 18 41 14 43 14 45 14 47 38 49 38 51 38 53 38 55 12 57 58 59 58 61 58

1 34 1 34 1 78 2 2 2 18 1 58 1 34 1 34 1 78 2 2 2 18 2 18 2 38 2 38 2 38 2 38

LengthThruHub

Y

Dia.Hub atBevel

A

No.Holes

To b

e sp

ecifi

ed b

y pu

rcha

ser.

7 14 7 34 8 14 8 34 9 18 9 12 7 18 7 58 7 78 8 18 8 12 8 1316 9 18 9 38 9 1516 10 14 10 12 10 34

38 716 716 716 12 12 12 12 12 12 12 12 12 12 12 12 12 12

605745870

100511451275

695840950

105512351380153016602050215522702470

282828282832323232322832323228283232

34 12 37 39 14 41 12 43 12 46 43 45 12 47 12 49 34 52 54 56 14 58 14 61 63 65 67

Drilling

3 516 3 916 3 34 3 1516 4 18 4 38 4 14 4 12 4 1116 4 78 5 116 5 14 5 12 5 1116 6 6 116 6 14 6 716

Sizes 12 thru 24 identical to ANSI B16.5 except when a single taper hub is required.


NominalSize

34 18 36 14 39 41 12 43 58 46 18 48 18 50 18 52 12 54 12 57 12 59 12 61 12 63 12 65 78 69 12 71 1516 73 1516

OutsideDia.O

916 916 916 58 58 58 58 58 58 58 58 58 58 58 58 1116 1116 1116

Drilling

FilletRadius

r

3 12 3 12 3 1116 4 116 4 116 4 116 4 38 4 916 4 1116 5 5 116 5 116 5 716 5 58 5 38 6 116 6 116 5 1516

To b

e sp

ecifi

ed b

y pu

rcha

ser.

BoreB

Dia.Holes

No.Holes

Approx.Wt.

WNF

27 58 29 34 32 34 36 18 38 40 42 44 46 316 48 38 50 516 52 38 54 716 56 12 58 12 60 1516 62 1516

5 1116 5 78 6 1564 6 58 6 1316 7 18 7 916 7 1316 8 116 8 716 8 34 8 1316 9 14 9 916 9 716 10 916 10 1316 10 1116

Dia.Hub atBevel

A

262830323436384042444648505254565860

31 58 33 34 36 14 38 12 40 58 42 78 44 78 46 78 49 51 53 34 55 34 57 34 59 34 62 18 65 67 716 69 716

323636323632364036403640444848364040

Class 300

API 605

LengthThruHub

Y

BoltCircle

HubDia.

X

Thickness(Min.)

C

RaisedFaceDia.R

To b

e sp

ecifi

ed b

y pu

rcha

ser.

29 31 33 14 35 12 37 12 39 34 41 34 43 78 46 48 50 52 14 54 14 56 14 58 14 60 12 62 34 65

1 38 1 38 1 12 1 58 1 58 1 34 1 34 1 34 1 78 1 78 2 2 2 2 2 2 38 2 38 2 38

400450550685750840915990

1135123514701575171018401980259527702870


PipeSize

38 14 40 34 43 45 14 47 12 50 46 48 34 50 34 53 14 55 34 57 34

FlangeO.D.

O

3 18 3 38 3 58 3 78 4 4 18 5 516 5 916 5 1316 6 116 6 516 6 916

FlangeBore

B2

No.Bolt

Holes

FlangeLength

Y2

30 14 32 34 34 34 36 34 38 34 41 39 41 14 43 14 45 14 47 14 49 14

262830323436384042444648

Class 300

MSS-SP-44

Dia.Bolt

Holes

FlangeThickness

C

HubDia.

X

Dia.Bolt

Circle

34 12 37 39 14 41 12 43 12 46 43 45 12 47 12 49 34 52 54

1 34 1 34 1 78 2 2 2 18 1 58 1 34 1 34 1 78 2 2

26.2528.2530.2532.2534.2536.2538.2540.2542.2544.2546.2548.25

5 38 5 1116 6 18 6 916 6 1316 7 116 6 116 6 916 6 1316 6 78 7 116 7 316

282828282832323232322832

29 12 31 12 33 34 36 38 40 14 42 14 44 14 47 49 51 53 12

Dia.Face

R

38 716 716 716 12 12 12 12 12 12 12 12

FilletRad. Min.


Class 350

INDUSTRY STANDARD

NominalSize

32 34 34 34 37 39 41 43 34 45 34 47 34 50 52 34 54 34 56 34 61 12 63 12 69 12 77 83

OutsideDia.O

Length Thru HubY

B2

RaisedFaceDia.R

Slip-On

29 12 31 12 33 34 35 34 37 34 40 14 42 14 44 14 46 12 48 78 50 78 52 78 57 14 59 14 65 14 72 14 78 14

B1

2628303234363840424446485254606672

HubDia.

X

WeldingNeckBlind

WeldingNeck

Slip-On

To b

e sp

ecifi

ed b

y pu

rcha

ser.

2 12 2 12 2 58 2 34 2 78 3 18 3 18 3 14 3 12 3 34 4 14 4 14 4 14 4 12 4 12 4 4

WELDING NECK

ThicknessC

Bore

4 12 4 12 4 34 5 5 18 5 58 5 58 5 78 6 18 6 34 7 14 7 14 8 14 8 12

27 78 29 78 32 18 34 18 36 18 38 12 40 12 42 12 44 34 46 34 48 34 50 34 55 57 63 70 76

2 34 2 78 3 3 14 3 38 3 58 3 34 4 4 18 4 38 4 34 4 34

26.2528.2530.2532.2534.2536.2538.2540.2542.2544.2546.2548.2552.2554.2560.2566.2572.25

5 5 5 14 5 12 5 34 6 18 6 18 6 14 6 12 6 34 7 14 7 14 7 12 7 34 8 8 12 9

2 12 2 12 2 58 2 34 2 78 3 18 3 18 3 14 3 12 3 34 4 14 4 14 4 34 5


BoltCircleDia.

30 58 32 58 34 78 36 78 38 78 41 12 43 12 45 12 47 34 50 14 52 14 54 14 58 34 60 34 66 34 74 80

1 18 1 18 1 18 1 18 1 18 1 14 1 14 1 14 1 14 1 38 1 38 1 38 1 12 1 12 1 12 1 58 1 58

WeldingNeck

Slip-On

Drilling

NominalSize

No.Holes

225250295325355465490530620760880920

11501450

2628303234363840424446485254606672

245260305340375480510540640760880920

10751200132516751850

Approx. Weight

Dia.Holes

Class 350

INDUSTRY STANDARD

2828323640404044484448485252606072

Blind

580750890

105012251500170019752225262529503300


Class 400

NominalSize

38 14 40 34 43 45 14 47 12 50

33 12 36 38 14 40 34 42 34 45 12

OutsideDia.O

FilletRadius

r

RaisedFaceDia.R

Dia. Holes

Approx.Wt.

WNF

29 12 31 14 33 34 36 38 40 18

28 30 32 14 34 38 36 12 38 58

BoreB

262830323436

262830323436

HubDia.

X

BoltCircle

WNF BF

To b

e sp

ecifi

ed b

y pu

rcha

ser.

3 12 3 34 4 4 14 4 38 4 12

3 12 3 34 4 4 14 4 38 4 1116

WELDING NECK

ThicknessC

28 58 30 1316 32 1516 35 37 316 39 38

27 18 29 18 31 14 33 14 35 38 37 12

1 78 2 2 18 2 18 2 18 2 18

1 12 1 58 1 58 1 34 1 34 1 78

LengthThruHub

Y

Dia.Hub atBevel

A

No.Holes

To b

e sp

ecifi

ed b

y pu

rcha

ser.

7 58 8 18 8 58 9 18 9 12 9 78

5 78 6 14 6 1116 7 1116 7 38 7 78

716 12 12 12 916 916

716 12 12 12 916 916

650785905

106512001340

360450530635690855

282828282832

282428283228

34 12 37 39 14 41 12 43 12 46

30 34 33 35 14 37 12 39 12 42

Drilling

3 78 4 18 4 38 4 916 4 1316 5 116

MSS-SP-44 Sizes 12 thru 24 identical to ANSI B16.5 except when a single taper hub is required.

API 605*

Length thru Hub does not include 12" Raised Face.*Blind Flanges available upon request.


Class 400

NominalSize

47 12 50 52 54 12 56 34 59 12 61 34 63 34 67 69 71 74 14

OutsideDia.O

FilletRadius

r

RaisedFaceDia.R

Dia. Holes

Approx.Wt.

WNF

40 78 43 45 47 14 49 12 51 12 53 58 55 58 57 78 60 18 62 18 64 18

BoreB

384042444648505254565860

HubDia.

X

BoltCircle

WNF BF

To b

e sp

ecifi

ed b

y pu

rcha

ser. 4

78 5 18 5 14 5 12 5 34 6 6 316 6 38 6 1116 6 78 7 7 516

ThicknessC

39 12 41 12 43 58 45 58 47 34 49 78 52 54 56 18 58 14 60 14 62 38

1 78 2 2 2 18 2 18 2 38 2 38 2 38 2 58 2 58 2 58 2 58

LengthThruHub

Y

Dia.Hub atBevel

A

No.Holes

To b

e sp

ecifi

ed b

y pu

rcha

ser. 8

18 8 12 8 1316 9 316 9 58 10 18 10 916 10 78 11 38 11 34 12 116 12 916

916 916 916 916 916 916 916 916 916 916 916 916

93510901190137515251790195021252565271032303820

323232323628323228323232

44 46 14 48 14 50 12 52 34 55 14 57 12 59 12 62 14 64 14 66 14 69

Drilling

4 78 5 18 5 14 5 12 5 34 6 6 14 6 716 6 34 6 1516 7 18 7 716

MSS-SP-44 and API 605 identical in sizes 38 thru 60.

Length thru Hub does not include 12" Raised Face.


Class 600

NominalSize

40 14 42 14 44 12 47 49 51 34

35 37 12 40 14 42 34 45 34 47 34

OutsideDia.O

FilletRadius

r

RaisedFaceDia.R

Dia. Holes

Approx.Wt.

WNF

29 12 31 12 33 34 36 38 40 14

28 58 30 78 33 18 35 14 37 12 39 34

BoreB

262830323436

262830323436

HubDia.

X

BoltCircle

WNF BF

To b

e sp

ecifi

ed b

y pu

rcha

ser.

4 14 4 38 4 12 4 58 4 34 4 78

4 38 4 916 4 1516 5 38 5 916 5 34

WELDING NECK

ThicknessC

29 716 31 58 33 1516 36 18 38 316 40 58

27 12 29 58 31 34 33 78 36 38 18

2 2 18 2 18 2 38 2 38 2 58

1 34 1 78 2 2 18 2 38 2 38

LengthThruHub

Y

Dia.Hub atBevel

A

No.Holes

To b

e sp

ecifi

ed b

y pu

rcha

ser.

8 34 9 14 9 34 10 14 10 58 11 18

7 18 7 12 8 116 8 12 9 316 9 916

12 12 12 12 916 916

12 12 12 12 916 916

94010601210137515401705

550650810950

12051340

282828282828

282828282428

36 38 40 14 42 12 44 12 47

31 34 34 36 12 38 34 41 12 43 12

Drilling

4 1516 5 316 5 12 5 1316 6 116 6 38


API 605*



Class 600

NominalSize

50 52 55 14 57 14 59 12 62 34 65 34 67 34 70 73 75 78 12

OutsideDia.O

FilletRadius

r

RaisedFaceDia.R

Dia. Holes

Approx.Wt.

WNF

41 12 43 34 46 48 14 50 14 52 12 54 12 56 12 58 34 60 34 63 65 14

BoreB

384042444648505254565860

HubDia.

X

BoltCircle

WNF BF

To b

e sp

ecifi

ed b

y pu

rcha

ser. 6

6 14 6 58 6 1316 7 116 7 716 7 34 8 8 14 8 916 8 34 9 316

ThicknessC

40 14 43 34 46 48 14 50 14 52 12 54 12 56 12 58 34 60 34 63 65 14

2 38 2 38 2 58 2 58 2 58 2 78 3 18 3 18 3 18 3 38 3 38 3 58

LengthThruHub

Y

Dia.Hub atBevel

A

No.Holes

To b

e sp

ecifi

ed b

y pu

rcha

ser. 10

10 38 11 11 38 11 1316 12 716 12 1516 13 14 13 34 14 14 14 916 15 516

916 916 916 916 916 916 916 916 916 58 58 1116

147016302030216024102855333035603920428046405000

283228323232283232323228

45 34 47 34 50 12 52 12 54 34 57 12 60 62 64 14 66 34 68 34 71 34

Drilling



6 18 6 38 6 34 7 7 516 7 1116 8 8 14 8 916 8 78 9 18 9 916


Class 900

NominalSize

42 34 46 48 12 51 34 55 57 12

40 14 43 12 46 12 48 34 51 34 53

OutsideDia.O

FilletRadius

r

RaisedFaceDia.R

Dia. Holes

Approx.Wt.

WNF

29 12 31 12 33 34 36 38 40 14

30 32 14 34 12 36 12 39 40 12

BoreB

262830323436

262830323436

HubDia.

X

BoltCircle

WNF BF

To b

e sp

ecifi

ed b

y pu

rcha

ser.

WELDING NECK

ThicknessC

30 12 32 34 35 37 14 39 58 41 78

29 14 31 38 33 12 35 34 37 78 40

2 78 3 18 3 18 3 38 3 58 3 58

2 58 2 78 3 18 3 18 3 38 3 18

LengthThruHub

Y

Dia.Hub atBevel

A

No.Holes

To b

e sp

ecifi

ed b

y pu

rcha

ser.

11 14 11 34 12 14 13 13 34 14 14

10 316 10 78 11 38 11 1516 12 916 12 1316

78 12 12 12 916 916

716 12 12 12 916 916

152518102120254529703395

105015201820206524502520

202020202020

202020202024

37 12 40 14 42 34 45 12 48 14 50 34

35 12 38 12 40 34 43 34 45 12 47 14

Drilling

5 12 5 58 5 78 6 14 6 12 6 34

5 516 5 1316 6 18 6 516 6 34 6 1316


API 605*


6 516 6 34 7 316 7 58 8 116 8 716


Class 900

NominalSize

57 12 59 12 61 12 64 78 68 14 70 14

OutsideDia.O

FilletRadius

r

RaisedFaceDia.R

Dia. Holes

Approx.Wt.

WNF

43 14 45 34 47 34 50 52 12 54 12

BoreB

384042444648

HubDia.

X

BoltCircle

WNF BF

7 12 7 34 8 18 8 716 8 78 9 316

ThicknessC

42 14 44 38 46 516 48 58 50 78 52 78

3 58 3 58 3 58 3 78 4 18 4 18

LengthThruHub

Y

Dia.Hub atBevel

A

No.Holes

To b

e sp

ecifi

ed

by p

urch

aser

. 13 78 14 516 14 58 15 38 16 316 16 12

34 1316 1316 78 78 1516

338536203960430046404980

202424242424

50 34 52 34 54 34 57 58 60 12 62 12

Drilling



8 12 8 1316 9 18 9 916 10 116 10 38 To

be

spec

ified

by

pur

chas

er.


Class 300, Welding Neck, Slip-On and Threaded

ANSI B16.36 Orifice Flanges

GENERAL NOTE: Dimensions are in inches.

NOTES:(1) Other NPT sizes may be furnished if required.(2) For slip-on and thread flanges, verify that TT drilling extends to inside diameter of pipe after assembly and is free from burrs.Weld neck flanges NPS 3 and smaller are identical to Class 600 flanges and may be so marked.All other dimensions are in accordance with ASME/ANSI B16.5.

NominalPipeSize

OutsideDia. ofFlange

O

Length Thru Hub

BackQB

WeldNeck

Y1

FaceQF

Hub Dia.Beginningof Chamfer

(W.N.)B1

Dia.of

Hub

Slip-Onand

ThreadedY2

Thicknessof

Flange Min.C

1 12 1 12 1 12 1 12 1 12 1 12 1 12 1 58 1 78 2 2 18 2 14 2 38 2 12 2 34

1 78 1 78 1 1516 2 2 116 2 18 2 18 2 716 2 58 2 78 3 3 14 3 12 3 34 4 316

1.411.992.503.003.634.636.758.75

2 2 78 3 58 4 18 5 6 316 8 12 10 58 12 34 15 16 14 18 12 21 23 27 14

1.301.892.362.843.464.456.578.55

1.321.902.382.883.504.506.638.63

10.7512.7514.0016.0018.0020.0024.00

2 18 2 34 3 516 3 1516 4 58 5 34 8 18 10 14 12 58 14 34 16 34 19 21 23 18 27 58

1 1 12 2 2 12 3 4 6 8 10 12 14 16 18 20 24

4 78 6 18 6 12 7 12 8 12 10 12 12 15 17 12 20 12 23 25 12 28 30 12 36

3 14 3 38 3 38 3 12 3 12 3 58 3 1516 4 38 4 58 5 18 5 58 5 34 6 14 6 38 6 58

OutsideDia. of

Raised FaceR

Dia. ofCounterbore

See Note (8).


Class 300, Welding Neck, Slip-On and Threaded


NOTES:(5) Bolt lengths include allowance for orifice and gasket thickness of 0.25 in. for NPS 1-12 and 0.38 in. for NPS 14-24.(6) In conformance with ASME/ANSI B16.5, stud bolt lengths do not include point heights.(7) Bore diameter of weld neck flanges is to be specified by the purchaser.(8) Threaded flanges are furnished in NPS 1-8 only.

F G

Drilling Template

MachineBolts

BoltCircle

StudBolts

Dia. ofBolts

Dia. ofHoles

Dia. ofPressure

ConnectionTT

Slip-OnB2

14 14 14 14 38 12 12 12 12 12 12 12 12 12 12

1116 1316 1116 1316 1316 1316 78 1 1 18 1 14 1 14 1 38 1 38 1 38 1 58

3 12 4 12 5 5 78 6 58 7 78 10 58 13 15 14 17 34 20 14 22 12 24 34 27 32

Weld NeckB1

Bolt Length[(5), (6)]

No. ofHoles

1.441.471.501.751.811.881.882.19

Counterbore Depth(From Face)

Bore

0.750.720.690.560.560.560.310.44

See Note (8).

1.361.952.442.943.574.576.728.72

10.8812.8814.1416.1618.1820.2024.25

See

Not

e (7

).

448888

121216162020242424

58 34 58 34 34 34 34 78 1 1 18 1 18 1 14 1 14 1 14 1 12

4 12 4 34 4 12 4 34 4 34 4 34 4 34 5 5 34 6 14 6 12 7 7 14 7 12 8 14

5 5 14 5 5 14 5 14 5 14 5 14 5 34 6 12 7 7 14 7 34 8 8 12 9 12


Class 400, Welding Neck2



NOTES:(1) Other NPT sizes may be furnished if required.(2) All other dimensions are in accordance with ASME/ANSI B16.5.(3) In conformance with ASME/ANSI B16.5, stud bolt lengths do not include point heights.

NominalPipeSize


O

Radiusat Bottom

rmax

GrooveNumber

SpecialOval Ring

HeightW

GrooveWidth

F

LengthThruHub

Y

Thicknessof

Flange Min.C

1 12 1 58 1 78 2 18 2 14 2 2564 2 12 2 58 2 34 3

3 12 4 116 4 58 4 78 5 38 5 78 6 6 12 6 58 6 78

0.030.030.030.030.030.030.030.030.06

6 316 8 12 10 58 12 34 15 16 14 18 12 21 23 27 14

1.061.061.061.061.061.061.191.191.25

0.4690.4690.4690.4690.4690.4690.4690.4690.531

1 1 12 2 2 12 3 4 6 8 10 12 14 16 18 20 24

10 12 12 15 17 12 20 12 23 25 12 28 30 12 36

OutsideDia. of

Raised FaceR

Ring Type Joint

See Note (6).

PitchDia.

P

GrooveDepth

E

R37R45R49R53R57R61R65R69R73

5.8758.312

10.62512.75015.00016.50018.50021.00023.000

0.3120.3120.3120.3120.3120.3120.3120.3120.312

For NPS 3 and smaller, use Class 600.




(4) Bolt lengths for raised face flanges include allowance for orifice and gasket thickness of 0.25 in. for NPS 4-12 and 0.38 in. for NPS 14-24. Bolt lengths for ring type joint flanges include allowance of 0.62 in. for NPS -10, 0.75 for NPS 12-18, and 0.88 in. for NPS 20.(5) Bore is to be specified by purchaser.(6) Ring joint flange is not shown in NPS 24 due to insufficient metal between groove and pressure tap hole.(7) All Texas Metal Works RTJ orifice flanges are 0.94 pressure tap center.

Dia.of

HubX


A

Drilling Template

RaisedFace

No.of

HolesRingJoint

Dia.of

Bolts

Dia.of

Holes

Dia.of

BoltCircle

BoreB

7 78 10 58 13 15 14 17 34 20 14 22 12 24 34 27 32

12121212121212121212

1 1 1 18 1 14 1 38 1 38 1 12 1 12 1 58 1 5764

Dia. ofPressure

ConnectionTT

Length of Stud Bolts[(3), (4)]

5 34 8 18 10 14 12 58 14 34 16 34 19 21 23 18 23 58

4.506.638.63

10.7512.7514.0016.0018.0020.0024.00

See

Not

e (5

).

8121216162020242424

78 78 1 1 18 1 14 1 14 1 38 1 12 1 12 1 34

5 12 6 14 6 34 7 12 8 8 14 8 34 9 14 9 34 11

6 6 12 7 14 8 8 12 9 9 14 9 12 10 14

For NPS 3 and smaller, use Class 600.


Class 600, Welding Neck 2, 3



NOTES:(1) Other NPT sizes may be furnished if required.(2) Weldneck flanges NPS 3 and smaller are identical to Class 300 flanges except for bolting and may be used for such service.(3) All other dimensions are in accordance with ASME/ANSI B16.5.(4) 0.06 in. height of raised face in NPS 1-3 is included in dimensions C and Y.

NominalPipeSize


O

Radiusat Bottom

rmax

GrooveNumber

SpecialOval Ring

HeightW

GrooveWidth

F

LengthThruHub

Y

Thicknessof Flange (4)

Min.C

1 12 1 12 1 12 1 12 1 12 1 12 1 78 2 316 2 12 2 58 2 34 3 3 14 3 12 4

3 14 3 38 3 38 3 12 3 12 4 4 58 5 14 6 6 18 6 12 7 7 14 7 12 8

0.030.030.030.030.030.030.030.030.030.030.030.030.030.06

2 2 78 3 58 4 18 5 6 316 8 12 10 58 12 34 15 16 14 18 12 21 23 27 14

1.001.001.061.061.061.061.061.061.061.061.061.191.191.25

0.2500.2500.3120.3120.3120.3120.3120.3120.3120.3120.3120.3120.3120.375

1 1 12 2 2 12 3 4 6 8 10 12 14 16 18 20 24

4 78 6 18 6 12 7 12 8 14 10 34 14 16 12 20 22 23 34 27 29 14 32 37

OutsideDia. of

Raised FaceR

Ring Type Joint

See Note (8).

PitchDia.

P

GrooveDepth

E

0.060.060.060.060.060.250.250.250.250.250.250.250.250.250.25

R16R20R23R26R31R37R45R49R53R57R61R65R69R73

2.0002.6883.2504.0004.8755.8758.312

10.62512.75015.00016.50018.50021.00023.000

Height ofRaisedFace

H

0.3440.3440.4690.4690.4690.4690.4690.4690.4690.4690.4690.4690.4690.531


Class 600, Welding Neck 2, 3


(5) Bolt lengths for raised face flanges include allowance for orifice and gasket thickness of 0.25 in. for NPS 1-12 and 0.38 in. for NPS 14-24. Bolt lengths for ring type joint flanges include allowance of 0.62 in. for NPS 1-10, 0.75 for NPS 12-18, and 0.88 in. for NPS 20.(6) In conformance with ASME/ANSI B16.5, stud bolt lengths do not include point heights.(7) Bore is to be specified by purchaser.(8) Ring joint flange is not shown in NPS 24 due to insufficient metal between groove and pressure tap hole.(9) All Texas Metal Works RTJ orifice flanges are 0.94 pressure tap center.

Dia.of

HubX


A

Drilling Template

RaisedFace

No.of

HolesRingJoint

Dia.of

Bolts

Dia. of HolesDia.of

BoltCircle

BoreB

3 12 4 12 5 5 78 6 58 8 12 11 12 13 34 17 19 14 20 34 23 34 25 34 28 12 33

141414143812121212121212121212

1116 1316 1116 1316 1316 1 1 18 1 14 1 38 1 38 1 12 1 58 1 34 1 34 2

Dia. ofPressure

ConnectionTT


2 18 2 34 3 516 3 1516 4 58 6 8 34 10 34 13 12 15 34 17 19 12 21 12 24 28 14

1.321.902.382.883.504.506.638.63

10.7512.7514.0016.0018.0020.0024.00

See

Not

e (7

).

448888

121216162020242424

58 34 58 34 34 78 1 1 18 1 14 1 14 1 38 1 12 1 58 1 58 1 78

5 5 14 5 5 14 5 14 6 7 7 34 8 34 9 9 12 10 14 11 11 34 13 14

1 1 12 2 2 12 3 4 6 8 10 12 14 16 18 20 24

RaisedFace

RingJoint

NominalPipeSize

34 78 34 78 78 1 1 18 1 14 1 38 1 38 1 12 1 58 1 34 1 34 2

5 12 5 12 5 12 5 34 5 14 6 12 7 12 8 14 9 14 9 12 10 10 34 11 12 12 12






NominalPipeSize


O

Radiusat Bottom

rmax

GrooveNumber

SpecialOval Ring

HeightW

GrooveWidth

F

LengthThruHub

Y

Thicknessof

Flange Min.C

1 12 1 34 2 316 2 12 2 34 3 18 3 38 3 12 4 4 14 5 12

4 4 12 5 12 6 34 7 14 7 78 8 38 8 12 9 9 34 11 12

0.030.030.030.030.030.03

5 6 316 8 12 10 58 12 34 15 16 14 18 12 21 23 27 14

1.061.061.061.061.061.06

0.4690.4690.4690.4690.4690.469

1 1 12 2 2 12 3 4 6 8 10 12 14 16 18 20 24

9 12 11 12 15 18 12 21 12 24 25 14 27 34 31 33 34 41

OutsideDia. of

Raised FaceR

Ring Type Joint

See Note (6).

PitchDia.

P

GrooveDepth

E

R31R37R45R49R53R57

4.8755.8758.312

10.62512.75015.000

0.3120.3120.3120.3120.3120.312

For NPS 2 12 and smaller, use Class 1500.




(4) Bolt lengths for raised face flanges include allowance for orifice and gasket thickness of 0.25 in. for NPS 3-12 and 0.38 in. for NPS 14-24. Bolt lengths for ring type joint flanges include allowance of 0.62 in. for NPS 3-10, 0.75 for NPS 12-18, and 0.75 in. for NPS 12.(5) Bore is to be specified by purchaser.(6) Ring joint flanges larger than 12 are not shown due to insufficient metal between groove and pressure tap hole.(7) All Texas Metal Works RTJ orifice flanges are 0.94 pressure tap center.

Dia.of

HubX


A

Drilling Template

RaisedFace

No.of

HolesRingJoint

Dia.of

Bolts

Dia.of

Holes

Dia.of

BoltCircle

BoreB

7 12 9 14 12 12 15 12 18 12 21 22 24 14 27 29 12 35 12

3812121212121212121212

1 1 14 1 14 1 12 1 12 1 12 1 58 1 34 2 2 18 2 58

Dia. ofPressure

ConnectionTT


5 6 14 9 14 11 34 14 12 16 12 17 34 20 22 14 24 12 29 12

3.504.506.638.63

10.7512.7514.0016.0018.0020.0024.00

See

Not

e (5

).

88

121216202020202020

78 1 18 1 18 1 38 1 38 1 38 1 12 1 58 1 78 2 2 12

6 7 7 34 9 9 12 10 14 11 11 12 13 14 17 12

6 12 7 12 8 14 8 12 10 10 34

For NPS 2 12 and smaller, use Class 1500.






NominalPipeSize


O

Radiusat Bottom

rmax

GrooveNumber

SpecialOval Ring

HeightW

GrooveWidth

F

LengthThruHub

Y

Thicknessof

Flange Min.C

1 12 1 12 1 12 1 58 1 78 2 18 3 14 3 58 4 14 4 78 5 14 5 34 6 38 7 8

3 14 3 12 4 4 18 4 58 4 78 6 34 8 38 10 11 18 11 34 12 14 12 78 14 16

0.030.030.030.030.030.030.06

2 2 78 3 58 4 18 5 6 316 8 12 10 58 12 34 15 16 14 18 12 21 23 27 14

1.001.001.061.061.061.061.12

0.3440.3440.4690.4690.4690.4690.531

1 1 12 2 2 12 3 4 6 8 10 12 14 16 18 20 24

5 78 7 8 12 9 58 11 12 12 14 15 12 19 23 26 12 29 12 32 12 36 38 34 46

OutsideDia. of

Raised FaceR

Ring Type Joint

See Note (6).

PitchDia.

P

GrooveDepth

E

R16R20R24R27R35R39R46

2.0002.6883.7504.2505.3756.3758.312

0.2500.2500.3120.3120.3120.3120.375




(4) Bolt lengths for raised face flanges include allowance for orifice and gasket thickness of 0.25 in. for NPS 1-12 and 0.38 in. for NPS 14-24. Bolt lengths for ring type joint flanges include allowance of 0.62 in. for NPS 1-6.(5) Bore is to be specified by purchaser.(6) Ring joint flanges larger than NPS 6 are not shown due to insufficient metal between groove and pressure tap hole.(7) All Texas Metal Works RTJ orifice flanges are 0.94 pressure tap center.

Dia.of

HubX


A

Drilling Template

RaisedFace

No.of

HolesRingJoint

Dia.of

Bolts

Dia.of

Holes

Dia.of

BoltCircle

BoreB

4 4 78 6 12 7 12 8 9 12 12 12 15 12 19 22 12 25 27 34 30 12 32 34 39

141414143812121212121212121212

1 1 18 1 1 18 1 14 1 38 1 12 1 34 2 2 18 2 38 2 58 2 78 3 18 3 58

Dia. ofPressure

ConnectionTT


2 116 2 34 4 18 4 78 5 14 6 38 9 11 12 14 12 17 34 19 12 21 34 23 12 25 15 30

1.321.902.382.883.504.506.638.63

10.7512.7514.0016.0018.0020.0024.00

See

Not

e (5

).

448888

121212161616161616

78 1 78 1 1 18 1 14 1 38 1 58 1 78 2 2 14 2 12 2 34 3 3 12

6 6 14 6 6 12 7 14 8 10 12 11 34 13 12 15 16 14 17 34 19 34 21 12 24 12

6 14 6 12 6 12 7 7 14 8 12 11






NominalPipeSize


O

Radiusat Bottom

rmax

GrooveNumber

SpecialOval Ring

HeightW

GrooveWidth

F

LengthThruHub

Y

Thicknessof

Flange Min.C

1 12 1 34 2 2 14 2 58 3 4 14 5 6 12 7 14

3 58 4 38 5 5 58 6 58 7 12 10 34 12 12 16 12 18 14

0.030.030.030.060.06

2 2 78 3 58 4 18 5 6 316 8 12 10 58 12 34 15

1.001.061.061.191.19

0.3440.4690.4690.5310.531

1 1 12 2 2 12 3 4 6 8 10 12

6 14 8 9 14 10 12 12 14 19 21 34 26 12 30

OutsideDia. of

Raised FaceR

Ring Type Joint

See Note (6).

PitchDia.

P

GrooveDepth

E

R18R23R26R28R32

2.3753.2504.0004.3755.000

0.2500.3120.3120.3750.375




(4) Bolt lengths for raised face flanges include allowance for orifice and gasket thickness of 0.25 in. for NPS 1-12. Bolt lengths for ring type joint flanges include allowance of 0.62 in. for NPS 1-3.(5) Bore is to be specified by purchaser.(6) Ring joint flanges larger than NPS 3 are not shown due to insufficient metal between groove and pressure tap hole.(7) All Texas Metal Works RTJ orifice flanges are 0.94 pressure tap center.

Dia.of

HubX


A

Drilling Template

RaisedFace

No.of

HolesRingJoint

Dia.of

Bolts

Dia.of

Holes

Dia.of

BoltCircle

BoreB

4 14 5 34 6 34 7 34 9 10 34 14 12 17 14 21 14 24 38

14141414381212121212

1 1 14 1 18 1 14 1 38 1 58 2 18 2 18 2 58 2 78

Dia. ofPressure

ConnectionTT


2 14 3 18 3 34 4 12 5 14 6 12 9 14 12 14 34 17 38

1.321.902.382.883.504.506.638.63

10.7512.75

See

Not

e (5

).

4488888

121212

78 1 18 1 1 18 1 14 1 12 2 2 2 12 2 34

6 7 7 14 8 9 10 14 13 34 15 14 19 14 21 14

6 14 7 12 7 34 8 12 9 12


Typical Facings

For Steel Pipe Flanges

See Dimensions and Notes


Facing Dimensions For Ring Joints

ANSI B16.5

DIMENSIONS are shown in inches, and conform to ASA Specification B 16.5, and API 5-G3.

RING JOINT flanges will be furnished in accordance with these details, unless otherwise specified by the purchaser. Lap joint stubs will also conform to these dimensions, except where designed for use with 3,

300, 400 & 600 lb. flances (such lap joint stubs will be made for Ring No. R30: pitch diameter 4 58").

DEPTH of groove is added to flange thickness except that on sizes marked (*), the groove will cut 132" into the minimum flange thickness.

NominalPipeSize

Pitch Dia.of Ring

and GrooveP

Groove

Height ofOval Ring

BDepth

L

Approx. Distance Between Flanges

When Joint is Compressed

WidthA

RingNo.Width

D

Dia. ofRaisedFace

K

*14*14*14141414141414141414141414141414

1 1 14 1 12 2 2 12 3 3 12 4 5 6 8 10 12 14 16 18 20 24

R15R17R19R22R25R29R33R36R40R43R48R52R56R59R64R68R72R76

Ring

For 150 LB. Flanges

1 78 2 14 2 916 3 14 4 4 12 5 316 5 78 6 34 7 58 9 34 12 15 15 58 17 78 20 38 22 26 12

113211321132113211321132113211321132113211321132113211321132113211321132

2 12 2 78 3 14 4 4 34 5 14 6 116 6 34 7 58 8 58 10 34 13 16 16 34 19 21 12 23 12 28

516516516516516516516516516516516516516516516516516516

916916916916916916916916916916916916916916916916916916

5325325325325325325325325325325325325321818181818



ANSI B16.5

DIMENSIONS are shown in inches, and conform to ASA Specification B 16.5, and API 5-G3.

RING JOINT flanges will be furnished in accordance with these details, unless otherwise specified by the purchaser. Lap joint stubs will also conform to these dimensions, except where designed for use with 3,

300, 400 & 600 lb. flances (such lap joint stubs will be made for Ring No. R30: pitch diameter 4 58").

DEPTH of groove is added to flange thickness except that on sizes marked (*), the groove will cut 132" into the minimum flange thickness.

NominalPipeSize

Pitch Dia.of Ring

and GrooveP

Groove

OvalB

DepthL



300 lb. 400 lb. 600 lbWidth

A

RingNumberWidth

D

Dia. ofRaisedFace

K

*732*14*14*14*14516516516516516516516516516516516516516

38716

1 1132 1 1116 2 2 38 2 1116 3 14 4 4 78 5 316 5 78 7 18 8 516 10 58 12 34 15 16 12 18 12 21 23 27 14

R11R13R16R18R20R23R26R31R34R37R41R45R49R53R57R61R65R69R73R77

Ring

For 300, 400 and 600 LB. Flanges

9321132113211321132153215321532153215321532153215321532153215321532153217322132

2 2 12 2 34 3 18 3 916 4 14 5 5 34 6 14 6 78 8 14 9 12 11 78 14 16 14 18 20 22 58 25 29 12

145165165165167167167167167167167167167167167167167161258

716916916916916

1116111611161116111611161116111611161116111611161116

3478

1853253253253273273273273273273273273273273273273273273214

Octag.H

Height ofFlat on

Oct. RingC

381212121258585858585858585858585858

11161316

516516

12 34 1 1 14 1 12 2 2 12 3 3 12 4 5 6 8 10 12 14 16 18 20 24

1853253253253231631631631673273273273273273273273273273214

18532532532532316316316316316316316316316316316316316316732

Height



ANSI B16.5

CORNER RADIUS r is 132" for ring width 716" and smaller; 116" for ring widths 12" to 78" inclusive and 332" for ring widths 1 and larger.

FLAT-BOTTOMED GROOVE, as shown in detail above, will be furnished unless otherwise specified.

TOLERANCES: P .005" B 164" H 164"" A .008" D 164" L 164"

NominalPipeSize

Pitch Dia.of Ring

and GrooveP

Groove

OvalB

DepthL

WidthA

RingNumberWidth

D

Dia. ofRaisedFace

K

*732*14*14*14*14516516516516516516516516516716716

121258

1 916 1 34 2 2 38 2 1116 3 34 4 14 4 78 5 78 7 18 8 516 10 58 12 34 15 16 12 18 12 21 23 27 14

R12R14R16R18R20R24R27R31R37R41R45R49R53R57R62R66R70R74R78

Ring

For 900 LB. Flanges

113211321132113211321532153215321532153215321532153215322132213225322532

1 16

2 38 2 58 2 1316 3 316 3 58 4 78 5 38 6 18 7 18 8 12 9 12 12 18 14 14 16 12 18 38 20 58 23 38 25 12 30 38

516 516 516 516 516 716 716 716 716 716 716 716 716 716 58 58 34 34 1

916 916 916 916 916 1116 1116 1116 1116 1116 1116 1116 1116 1116 78 78 1

1 1 516

Octag.H

Height ofFlat on

Oct. RingC

58 58 58 58 58 58 58 1316 1316 1516 1516 1 516

51651651651612

12 34 1 1 14 1 12 2 2 12 3 4 5 6 8 10 12 14 16 18 20 24

5325325325325321818532532532532532532532532532316316732



Height



ANSI B16.5

NominalPipeSize

Pitch Dia.of Ring

and GrooveP

Groove

OvalB

DepthL

WidthA

RingNumberWidth

D

Dia. ofRaisedFace

K

*14*14*14*14*14516516516516516

38716716916

581116111611161316

1 916 1 34 2 2 38 2 1116 3 34 4 14 4 78 5 78 7 18 8 516 10 58 12 34 15 16 12 18 12 21 23 27 14

R12R14R16R18R20R24R27R35R39R44R46R50R54R58R63R67R71R75R79

Ring

For 1500 LB. Flanges

1132 1132 1132 1132 1132 1532 1532 1532 1532 1532 1732 2132 2132 2932 1 116 1 316 1 316 1 516 1 716

2 38 2 58 2 1316 3 316 3 58 4 78 5 38 6 58 7 58 9 9 34 12 12 14 58 17 14 19 14 21 12 24 18 26 12 31 14

516 516 516 516 516 716 716 716 716 716 12 58 58 78 1 1 18

1 18

1 14 1 38

916 916 916 916 916 1116 1116 1116 1116 1116 34 78 78 1 18 1 516 1 710 1 716 1 916 1 34

Octag.H

Height ofFlat on

Oct. RingC

516 516 516 38 12 916 916 58 1116

12 34 1 1 14 1 12 2 2 1

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