spiralwound & ring gaskets asme b16 · 2020. 6. 24. · asme b16.20 gaskets for asme b16.47...

SPIRALWOUND & RING GASKETS ASME B16.20

Our vision is to be amongst the leading corporations in the supply of goods and services related to valves, their components and industrial equipment in general. We want to conquer new markets in conformity with international standards and remain committed to customer satisfaction, the welfare of our company and the sustainability our planet.

Our mission is to use our highly trained, highly focused, and extremely motivated staff to work with manufacturers who value quality and have the vision for new development and product applications to ensure the timely provision of goods and services related to valves, their components and industrial equipment in general. We maintain a rigorous standard of customer satisfaction, which will provide for the welfare of the company, the welfare of the countries we serve, and most importantly the sustainability of the planet.

Vision

Mision

In 1984, our journey into the business of repairing valves and industrial instrumentation began. That journey has led us to represent and service well known American brands and companies. In early 2000, our experience and growing passion for the valve industry encouraged our decision to launch our own brand, Morris Valves. Starting with the highly requested Ball Valves, the brand has been based on the principal of quality and performance to match our customers’ needs. Our high standards of production later lead us to incorporate other models such as Gate Valve and Check Valves to our production. These additions were carefully selected to match our Standard of Quality. Our success has been driven by our belief of “Tradition with Quality” in everything we do. Our products are developed with that belief which drives our growth and guides the service we provide to our customers.

“Serving the world, one project at a time”

ContactsAddress: 6803 Theall Rd Building B, Houston, Tx 77066Telefhone: +1 (832) 666-5576Cel: +1 (832) 983-0744Email: [email protected]

4 6803 Theall Rd Building B, Houston, Texas. 77066 Phone :+1 (832) 666-5576 www.morrisvalve.com

FEATURES:- Used for Sealing Flange Joints, Manhole & Handhole covers, Tube covers, Boilers, Heat exchangers, Pressure Vessels, Pumps, Compressors & Valves.- Manufactured by spirally winding a V-shaped metal strip and a strip of non-metallic filler material.- Reinforced by:- An outer centering ring that controls the compression and holds the gasket centrally within the bolt circle.- The Inner retaining ring increases the axial rigidly and resilience pf the gasket. - Main users: Petrochemicals, Mining, Oil & Gas, Shipbuilding, Food Processing, Power Industries, others.- Testing: ASME B16.20 (API 601).- Quality Certificate: EN 10204-3.1

Thickness. -

The Standard Manufacturing thicknesses for Spiral

Wound Gaskets are: 3.2mm; 4.5mm; 6.5mm (measured

across metallic strip not included the fille

Tolerances. -

The Tolerances of the gaskets diameters (d1, d2, d3, d4, S, S1) are stipulated

by ASME B16.20 & EN1514-2 Manufacturing Standards. The Gaskets designed

for Non-Standards Flanges meet the recommendations by the ASME B16.20.

Dimensions. -

The standard Dimensions for the Spiral Wound Gaskets meet the ASME, BS &

EN (DIN) Manufacturing Standards.

APPROVED

DIN STDEN1514-2ASME B16.20 (API 601)ASME B16.20 (API 601)ASME B16.20 (API 601)ASME B16.20ASME B16.20ASME B16.20EN 1514-2 (DIN 2691)EN 1514-2 (DIN 2692)ANSI B16.5

DIN 2632 - 2638PER EN 1092-1, FLANGESANSI 16.5ASME B16.47 (API605)MSS SP 44ANSI B16.5BS 1650ASME B16.47DIN 2512DIN 2513ANSI B16.21

MANUFACTURING STANDARDS SPIRAL WOUND GASKET STANDARD FLANGE STANDARD

3/32” – 2.51/8” – 3.53/16” – 4.5¼” – 6.59/32” – 7.2

12” (DN300)16” (DN700)60” (DN1500)120” (DN3000)120” (DN3000)

1622303530

1319242424

Thickness (inch / mm) Max. Diameter d3(In) Graphite PTFE

Max. width -bG (inches)

Which protrudes 0.2mm, 0.3mm beyond the metal)

SPIRAL WOUND GASKET MCG TYPE. Guide Outer Ring.MCGI TYPE. Guide Inner Ring.


1/23/4

11-1/41-1/2

22-1/2

34568

10121416182024

14.220.626.938.144.555.666.581.0

106.4131.8157.2215.9268.2317.5349.3400.1449.3500.1603.3

19.125.431.847.854.169.982.6

101.6127.0155.7182.6233.4287.3339.9371.6422.4474.7525.5628.7

19.125.431.847.854.169.982.6

101.6120.7147.6174.8225.6274.6327.2362.0412.8469.9520.7628.7

19.125.431.839.647.858.769.995.3

120.7147.6174.8222.3276.4323.9356.6412.8463.6520.7628.7

19.125.431.839.647.858.769.992.2

117.6143.0171.5215.9266.7323.9362.0406.7463.6514.4616.0

19.125.431.839.647.858.769.992.2

117.6143.0171.5215.9270.0317.5

---------------

31.839.647.860.569.985.998.6

120.7149.4177.8209.6263.7317.5374.7406.4463.6527.1577.9685.8

31.839.647.860.569.985.998.6

120.7149.4177.8209.6257.3311.2368.3400.1457.2520.7571.5679.5

47.857.266.876.285.9

104.9124.0136.7174.8196.9222.3279.4339.0409.7450.9514.4549.4606.6717.6

54.166.873.282.695.3

111.3130,3149.4181.1215.9251.0308.1362.0422.4485.9539.8596.9654.1774.7

54.166.873.282.695.3

111.3130,3149.4177.8212.9247.7304.8358.9419.1482.6536.7593.9647.7768.4

54.166.873.282.695.3

111.3130,3149.4193.8241.3266.7320.8400.1457.2492.3565.2612.9682.8790.7

63.569.979.588.998.6

143.0165.1168.4206.5247.7289.1358.9435.1498.6520.7574.8638.3698.5838.2

63.569.979.588.998.6

143.0165.1174.8209.6254.0282.7352.6435.1520.7577.9641.4704.9755.7901.7

69.976.285.9

104.9117.6146.1168.4196.9235.0279.4317.5387.4476.3549.4

14.220.626.938.144.555.666.581.0

106.4131.8157.2209.6260.4317.5349.3400.1449.3500.1603.3

14.220.626.938.144.555.666.581.0

106.4131.8157.2209.6260.4314.5342.9393.7444.5495.3603.3

14.220.626.933.341.452.363.581.0

106.4131.8157.2206.2257.8314.5339.9387.4438.2489.0577.9

14.220.626.933.341.452.363.581.0

106.4131.8157.2200.2247.7292.1

---------------

NPS(in)

150-300 150-300400-600 400-600900 900 150 300 400 600 900 1500 25001500 15002500 2500 150-600 900-2500ANSI CLASS

ASME B16.20 (API 601) FOR ANSI B16.5 FLANGES

MAIN DIMENSIONS(DIAMETERS)d1 d2 d3 d4

262830323436384042444648505254565860

654.1704.9755.7806.5857.3908.1958.9

1009.71060.51111.31162.11212.91263.71314.51365.31422.41478.01535.3

654.1704.9755.7806.5857.3908.1971.6

1003.31054.11124.01178.11231.91267.01317.81365.31428.81484.41557.3

654.1701.8752.6800.1850.9898.7952.5

1003.31051.11104.91168.41206.51257.31308.11352.61403.41454.21517.7

644.7692.2752.6793.8850.9901.7952.5

1009.71066.81111.31162.11219.21270.01320.81378.01428.81473.21530.4

673.1723.9787.4838.2895.4927.1

1009.71060.51111.31155,71219.21270.0

------------

673.1723.9774.7825.5876.3927.1

977.101022.41079.51124.01181.11231.91282.71335.51384.31444.81500.41557.3

673.1723.9774.7825.5876.3955.8

977.101022.351073.151130.3

1178.051235.21295.4

1346.201403.41479.61535.21589.0

666.8714.5765.3812.8866.9955.8971.6

1025.71076.51130.31193.81244.61295.41346.21403.41454.21505.01568.5

663.7704.9778.0831.9889.0955.8990.6

1047.81104.9

1162.051212.91270.01320.81371.61428.81479.61536.71593.9

692.2743.0806.5863.6920.8

958.851035.051098.61149.41206.51270.01320.8

------------

704.85755.65806.55860.55911.35968.50

1019.301070.101123.951178.051228.851279.651333.51384.31435.1

1485.901536.701587.50

736.6787.4

844.55901.7

952.501009.60

10161070.101120.901200.21254.31311.41346.21397.01454.21524.0

1562.101612.90

736.6787.4

844.55901.7

952.501009.601022.351176.451127.251281.11244.61295.41346.21397.0

1454.151504.951555.751619.25

736.6787.4

844.55901.7

952.501009.601041.4

1198.551155.71212.91263.71320.81371.61422.4

1479.551530.351587.5

1644.65

736.6787.4

844.55901.7

952.501009.651085.851149.351200.151257.31320.81371.6

------------

725.4776.2827.0881.1935.0987.6

1044.71095.51146.31197.11255.71306.61357.41408.21563.81514.61679.61630.4

771.7825.5886.0939.8993.9

1047.81098.61149.41200.21251.01317.81368.61319.41470.21530.41593.81655.81706.6

746.3800.1857.3911.4962.2

1022.41073.21127.31178.11231.91289.11346.21403.41454.21517.71568.51619.31682.8

765.3819.2879.6933.5997.0

1047.81104.91155.71219.21270.01327.21390.71447.81498.61555.81612.91663.71733.6

838.2901.7958.3

1016.01073.21124.01200.21251.01301.81368.61435.11485.9

------------

NPS(in)

ANSI CLASSASME B16.20 GASKETS FOR ASME B16.47 SERIES B FLANGES


150 150 150 150300 300 300 300400 400 400 400600 600 600 600900 900 900 900


262830323436384042444648505254565860

654.05704.85755.65806.45857.25908.05958.85

1009.651050.451111.251162.051212.851263.651314.451358.91409.71460.51511.3

654.1704.9755.7806.5857.3908.1971.6

1003.31054.11124.01178.11231.91267.01317.81365.31428.81484.41557.3

660.4710.2

755.65812.8863.6917.7952.5

1000.251051.051104.91168.41206.51257.31308.1

1352.551403.351454.151517.65

647.7698.5

755.65812.8863.6917.7952.5

1009.651066.8

1111.251162.051219.21270.01320.8

1377.951428.751473.21530.4

666.75711.2774.7812.8863.6

920.751009.651060.451111.251155.701219.21270.0

------------

673.1723.9774.7825.5876.3927.1977.9

1028.71079.51130.31181.11231.91282.71335.51384.31435.11485.91535.7

785.8736.6

793.75850.9901.7

955.80977.90

1022.351073.151130.3

1178.051235.21295.4

1346.201403.351454.151511.3

1562.10

785.8736.6

793.75850.9901.7

955.80971.6

1025.71076.51130.31193.81244.61295.41346.2

1403.351454.151504.951568.5

785.8736.6

793.75850.9901.7

955.80990.6

1047.751104.9

1162.051212.851270.01320.81371.6

1428.751479.551536.7

1593.85

785.8736.6

793.75850.9901.7

958.851035.051098.551149.351206.51270.01320.8

------------

698.5755.65806.45860.55908.1968.5

1019.31070.1

1123.951178.051228.851279.651333.51384.31435.1

1485.901536.701587.50

711.2787.4

844.55901.7914.4

1006.601016

1070.11220.901181.101228.851286.01346.21397.0

1454.151504.951562.101612.90

698.5787.4

844.55901.7911.4

1006.601022.351176.451127.251181.101244.61295.41346.21397.0

1454.151504.951555.751619.25

714.5787.4

844.55901.7939.8

1006.601041.4

1198.551155.7

1212.851263.651320.81371.61422.4

1479.551530.351587.501644.65

749.3787.4

844.55901.7

952.501009.651085.851149.351200.151257.31320.81371.6

------------

774.70831.85882.65939.80990.60

1047.751111.251162.051219.201276.351327.151384.301435.101492.251549.401606.551663.701714.50

835.15898.65952.50

1006.601057.401117.601054.101114.551165.351219.201273.301324.101377.951428.751492.251543.051593.851644.65

831.85892.30946.15

1003.301054.101117.601073.151127.251178.051231.91289.11346.2

1403.351454.151517.651568.451619.251682.75

866.10914.40971.55

1122.401073.201030.31104.91155.71219.21270.01327.21390.71447.81498.61555.81612.91663.71733.6

882.65946.15

1009.651073.151136.651200.151200.151250.951301.751368.551435.11485.9

------------

NPS(in)

ANSI CLASSASME B16.20 GASKETS FOR ASME B16.47 SERIES A FLANGES


150 150 150 150300 300 300 300400 400 400 400600 600 600 600900 900 900 900

Ring Type Joint (RTJ) gasket.

The Ring Type Joint (RTJ) gasket is a forged ring that fits into the machined groove of an RTJ flange. The ring type joint gaskets are either

octagonal or oval in cross-section. RTJ gaskets are generally used for high pressure and high-temperature applications. It is widely used in

refinery, petrochemical and oil field drilling industries. The Ring type joints are manufactured as per ASME B16.20. They are dimensionally

suitable for use with flanges manufactured as per standards ASME B 16.5, ASME B16.47, and API 6A.

Sealing Principle of a Ring Type Joint gasket.

The axial compressive load (due to bolt tightening) act on the Ring type Joint (RTJ) gasket causing them to deform and flow into irregularities

of flange grooves. Due to this, a metal-to-metal contact is formed between gasket and flange that makes a seal.

The ring type joints have an excellent tightness and tolerance to temperature and pressure changes. While installing a ring type joint gasket

very close attention must be given to their bolting up for uniform load acting on the gasket. Also, make sure the RTJ gasket and groove faces

must be free of imperfections and debris.

Type of Ring Type Joints Gasket.

There are three types of RTJ gasket. They are:

R Type

RX Type

BX Type

R Type

This is the basic type of RTJ gasket and widely used in petrochemical industries. They are classified as two types base on the cross-section.

They are:

Oval

Octagonal

R - Series Gaskets

Type R Ring Gaskets ASME B16.20 to be used with RTJ flanges ASME B16.5 and B16.47 series A


1/21/21/23/43/43/4

111

1-1/41-1/41-1/41-1/21-1/21-1/2

2222

2-1/22-1/22-1/22-1/2

3333

3-1/23-1/2

444455556666

R11R12R13R13R14R16R15R16R18R17R18R21R19R20R23R22R23R24R26R25R26R27R28R29R30*R31R32R33R34R 36R 37R 38R39R40R41R42R44R43R45R46R47

300 /600900/1500

2500300 /600900/1500

2500150

300/15002500150

300/15002500150

300/15002500150

300/600900/1500

2500150

300/600900/1500

2500150

300/600300/900

2500150

300/600150

300/90025001500150

300/90025001500150

300/90015002500

34.1439.7042.8842.8844.4550.8

47.6350.8060.3357.1560.3372.2465.1

68.2882.5582.5582.5595.25

101.60101.60101.60107.95111.13114.3

117.48123.83

127131.78131.78149.23149.23157.18161.93171.45180.98190.50193.68193.68211.15211.15228.60

6.357.95

----

7.95----

11.137.95

-11.137.95

11.13--

7.9511.1311.1312.77.95

11.13-

12.77.95

11.137.95

11.1315.8811.137.95

11.1319.0511.137.95

11.1312.7

19.05

11.214.2

----

14.2----

17.514.2

-17.514.217.5

--

14.217.517.519.114.217.5

-19.114.217.514.217.522.417.514.217.525.417.514.217.519.125.4

11.214.2

----

14.2----

17.514.2

-17.514.217.5

--

14.217.517.519.114.217.5

-19.114.217.514.217.522.417.514.217.525.417.514.217.519.125.4

4.325.23

----

5.23----

7.755.23

-7.755.237.75

--

5.237.757.758.665.237.75

-8.665.237.755.237.75

10.497.755.237.75

12.327.755.237.758.66

12.32

1.5----------------------------------------

NPS(in)

DIMENSIONS,ASME B16.5

150 RATING(CLASS) PITCH WIDTH(A) OCT(C) OCT(R1)HEIGHT

OVAL(B) OCT(H)

REV N°

Drawn by

Drawn

ISSUED FOR CONSTRUTION

MORRIS

MORRIS

MORRIS

MORRIS

Date

REVISION NOTE REV.

Dwg_N°

Sheet

01 01

Checked

ScaleDesigner

0

Model

INDICATED Material

Title:

OVAL RING

B

A

P P

H

27°

27°

R1 C A

OCTAGONAL RING


8888

10101010121212121414141416161616181818182020202024242424

R 48R 49R 50R 51R 52R 53R 54R 55R56R57R58R60R59R61R62R63R64R65R66R67R68R69R70R71R72R73R74R75R76R77R78R79

150300/900

15002500150

300/90015002500150

300/90015002500150

300/600900

1500150

300/600900

1500150

300/600900

1500150

300/600900

1500150

300/600900

1500

247.65269.88269.88279.4304.8

323.85323.85342.90

381381381

406.40396.88419.10419.10419.10454.03469.90469.90469.90517.53533.40533.40533.40558.8584.2584.2584.2673.1

692.15692.15692.15

7.9511.1315.8822.237.95

11.1315.8828.587.95

11.1322.2331.757.95

11.1315.8825.47.95

11.1315.8828.587.95

11.1319.0528.587.9512.7

19.0531.757.95

15.8825.4

34.93

14.217.522.428.714.217.522.436.614.217.528.739.614.217.522.433.314.217.522.436.614.217.525.436.614.219.125.439.614.222.433.344.5

12.716

20.626.912.716

20.635.112.716

26.938.112.716

20.631.812.716

20.635.112.716

23.935.112.717.523.938.112.720.631.841.4

5.237.75

10.4914.815.237.75

10.4919.815.237.75

14.8122.335.237.75

10.4917.35.237.75

10.4919.815.237.75

12.3219.815.238.66

12.3222.335.23

10.4917.3

24.82

-------

2.31.5

--

2.31.5

--

2.31.5

--

2.31.5

--

2.31.51.51.52.31.51.52.32.3

NPS(in)

DIMENSIONS,ASME B16.5


OVAL(B) OCT(H)

General notes:

All dimensions are in millimeters.

Tolerances:

P = average pitch diameter of ring ±0.18

A = width of ring ±0.20

B & H = height of ring +1.3. -0.5

Variation in height throughout the entire

circumference of any given ring shall not

exceed 0.5 within these tolerances.

C = width of flat on octagonal ring ±0.20

R1 = radius in ring ±0.5

23 ° = angle ±0 ° 30 min

*R-30 = for lapped joint only

262830323436262830323436

R93R94R95R96R97R98

R100R101R102R103R104R105

300 /600300 /600300 /600300 /600300 /600300 /600

900900900900900900

749.3800.1

857.25914.4965.2

1022.35749.3800.1914.4965.2

1022.35914.4

19.0519.0519.0522.2322.2322.2328.5831.7531.7534.9334.9331.75

23.923.923.926.926.926.935.138.138.141.441.438.1

12.3212.3212.3214.8114.8114.8119.8122.3322.3324.8224.8222.33

1.51.51.51.51.51.52.32.32.32.32.32.3

NPS(in)

DIMENSIONS, ASME B16.47 SERIES A


OVAL(B) OCT(H)


Description:

RX gaskets are designed for pressures up to 5,000 PSI. These gaskets are interchangeable with R-oval or R-octagonal rings used on API

6B flanges.

RX type gaskets provide excellent performance in 6B flanged blowout preventer stacks, which require the additional mass of the RX

gasket to support the higher pressures, higher vibrations and heavier weights of this type of equipment. Gaskets that have been torqued

initiating a metal-to-metal seal should be discarded and not reused.

REV N°

Drawn by

Drawn


MORRIS

MORRIS

MORRIS

MORRIS

Date

REVISION NOTE REV.

Dwg_N°

Sheet

01 01

Checked

ScaleDesigner

0

Model

INDICATED Material

Title:P

23°

H

C

23°

A

23° 23°

H

A

OD

D

RX & BX

RX20RX23RX23RX24RX26RX26RX25RX27RX31RX35RX37RX39RX41RX44RX45RX46RX47RX49RX50RX53RX54RX57RX63RX65RX66RX69RX70RX73RX74

1-1/21-1/2

222

2-1/22-1/22-1/2

33445566688

10101214161618182020

2-1/162-1/162-9/162-9/162-9/162-9/163-1/83-1/8

4-1/164-1/165-1/8

7-1/16

9

11

13-5/8

16-3/416-3/4

21-1/420-3/4

68.2682.5582.5595.25

101.60101.60101.60107.95123.83136.53149.23161.93180.98193.68211.14

-228.60269.88269.88323.85323.85381.00419.10469.90469.90533.40533.40584.20584.20

8.738.73

11.91-

11.9111.91v

8.7311.91

-------

13.4919.8411.9116.6711.9116.6711.9126.9911.9116.6711.9119.8413.4919.84

19.0519.0525.40

-25.4025.4019.0525.40

-------

28.5841.2825.4031.7525.4031.7525.4050.8025.4031.7525.4041.2831.7541.28

5.23-

7.75---

5.237.75

-

7.75---

7.758.66

12.327.75

10.497.75

10.497.7517.37.75

10.497.75

12.328.66

12.32

1.5---

1.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.52.31.51.51.51.51.51.5

0.527

1.151.33

1.501.421.731.912.092.272.542.722.963.668.563.795.364.566.455.36

26.406.639.397.52

20.1411.6322.100.790

150

x

300x

x

x

x

x

x

x

x

x

x

x

x

x

400

x

x

x

x

x

x

x

x

x

600x

x

x

x

x

x

x

x

x

x

x

x

x

900

x

x

x

x

x

x

x

x

x

x

1500x

x

x

x

x

x

x

x

x

x

2500

x

x

x

2000

x

x

x

x

x

x

x

x

x

x

x

3000

x

xx

x

x

x

x

x

x

x

x

5000

x

x

x

x

x

x

x

x

SERIE

RX SERIES @ PRESSURE RATINGS & DIMENSIONS(mm)

NPS(in)

NPS(in)

PITCH(P)

WIDTH(A)

HEIGHT (H)

(C) (R1) Wt.(LBS)

RATING(CLASS)ASME B16.5

TOLERANCES:(mm)A*(width of ring) nbsp; +0.20,-0.000

H*(height of ring) nbsp; +0.20,-0.000 23*(angle) ±1/2°

API 6A, MODEL 6B RATING(CLASS)(PSI


REV N°

Drawn by

Drawn


MORRIS

MORRIS

MORRIS

MORRIS

Date

REVISION NOTE REV.

Dwg_N°

Sheet

01 01

Checked

ScaleDesigner

0

Model

INDICATED Material

Title:P

23°

H

C

23°

A

23° 23°

H

A

OD

D

RX & BX

BX 150BX 151BX 152BX 153BX 154BX 155BX 156BX 157BX 158BX 159BX 160BX 161BX 162BX 163BX 164BX 165BX 166BX 167BX 168BX 169BX 170BX 171BX 172BX 303

72.1976.4084.68

100.94116.84147.96237.92294.46352.04426.72402.59491.41475.49556.16570.56624.71640.03759.36765.25173.51218.03267.43333.07852.78

9.39.63

10.2411.3812.4

14.2218.6220.9823.1425.7

23.8328.0714.2230.130.1

32.0332.0335.8635.8615.8514.2214.2214.2237.94

9.39.63

10.2411.3812.4

14.2218.6220.9823.1425.7

13.7416.2114.2217.3724.5918.4926.1413.1116.0512.9314.2214.2214.2216.96

1.5241.5241.5241.5241.5241.5243.0483.0483.0483.0483.0483.0481.5243.0483.0483.0483.0481.5241.5241.5241.5241.5241.5241.524

0.2950.3370.4250.6320.8751.224.146.559.60

14.416.75

0.2950.3370.425

----------

1 11/161 13/162 1/162 9/163 1/164 1/167 1/16

911

13 5/8

16 3/4

18 3/4

21 1/4

26 3/4

5 1/86 5/8

8 9/1611 5/32

30

2000

x

x

3000

x

x

5000

xxxx

x

10000

xxxxxxxxx

x

x

x

xxxx

15000xxxxxxxxx

x

x

xxx

20000xxxxxxxxx

SERIE NPS(in)

OD HEIGHT (H)

WIDTH(A)

(D) Wt(LBS)

API 6BX,PRESSURE CLASSES(PSI) DIMENSIONS(mm)

Tolerances: (mm)Width of Ring(A) .......................................+0.2032,-0.000Hole Size(D) ................................................±0.508Height of Ring(H) .....................................+0.032,-0.000OD of Ring ..................................................+0.000,-0.1524Angle of 23° ...............................................±1/4°One pressure passage hole required per ring on centerline. A plus tolerance of 0.2032 mm for width of ring and height of ring is permitted, provided the variation in width or height does not exceed 0.1016 mm throughout its entire circumference.NOTE: Radius of the ring shall be 8% to12% of the ring height.

11

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