hybrid torque specifications s rint/bsp and pro …..."hybrid" torque specifications s...

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•"Hybrid" Torque Specifications S rint/BSP and Pro-Fit/NPTF

'Hybrid' Torque Specifications - (Sprint - BSP Fittings assembled into female NPTF ports)

<au lion: Mating material and female parls may be too soft for high torque values.{heck material hardness to ovoid Slripping, galling or (foss-threading.This table is ONLY a guide for "hybrid" siluatiom; that require inteHhonging thread Iypes to ouommodote tubing requirements.

T1wilOO Size MiWn.m ToltpJel'l:U AW:itun IClqJe VWe

Sprint N. fl-l.lI$ N. h-lbs

1/8" • 10 0.1 10.0 1.'

1/4" • 4.0 1.9 20.0 14,8

3/8" 27.0 10.0 54.0 40.0

1/2" 27.0 100 67.0 ~O

• Hrllll! TOIq1N "loti III rlMll Tbllocf ~III QlIIIlVIll Illhl lorqilt WIlIII for (1lOIIa~OlII1l ~ (ISP Inale II ISP ftlnale).

·Hybrid" TOfque SpecificationS - (Profit - NPTF Fittings assembled into female BSP portS)

(llulilln: Mating malelial and female parIs may be too soh for high la/que values.{heck material hardness ra avaid stripping, galling ar Closs·rhleading.This rable is ONLY a guide for "hybrid" silualians lhat require intmhonging rhreod Iypes 10 ouommadare tubing requilemenrs.

--l

"'.......

ihleod Size Miifun ltll~ VIM Moxirun 'onp VtU -Sprint N. fl-lbs N. fl-Lbs

1/8" • I' 0.1 10.0 1.'

1/4w• 4.' 1.9 20.0 14.8

3/8" • I.' 3.1 20.0 14.8

1/2" 21.0 20.0 54,0 40.0

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• Temperature • Tempefolufl • TempefQtureSubsroll(1 (OlKenlTDlion lltgrm ( RMlonu Su/r$10ntf Conuntrotion DegrmC RMlo1l[1 Substance (oncentrotioll DegreesC ResistOll<l

"'eric A£i:I .70 ...... " ':t,"", '00 ...., A b.lOl 100 ...., ,.... 100 54 AI °E 1lies 8aIi" 26' ,=ClIOOnare

100 20__.200 Aki:i:WelWGlei "" • "E.dloosl ee: ClxdItiYe" 54' A

_. ...... A-'" 100 -, B Ferlous (hIoride """,. -, ,P~omle

_. ...... A.uriun DDi!.e ..... ...... , FIIiM Niliole

_. ...., , POIllS.Si.rn ¥ate '·50 ...... A........= ..... -, B Fellous~ """,. -, ,PClhlS1Un~

_. ...... ,......... ...... ...... • ~:~31 ...... ,

~100 ...... A

ArnIrooi:Kn HyO:oxile '" -, e .. ..... , 100 @boil:'IllpM11 AArnnxO.rn Nilrole ...... -, • FJUiI ge ...... A ..- """" AAmj~"" 100 -, • .. 100 ..... A SMr Chlonle

_. ...... ,"'" am> 100 "'" • [how ...... .... A ... 95 AAmfun Gasoline 100 -, • ""... 100 -, A So&.m BictrbInlte """"" ...... ,IkIUn Chbile '" -, • -'" '" .... , _e...... _. .... A8tJi.m l/yIaQle '·50 60 • ....""'" '" -, , SomCJmio _. -, A.. JD A ""-'" JD .... , Some,.... s .... ,Benli Acid ..... -, , ....""'" 10 ...... ,

Somt'" H3 ~60 A

=~100 .... • "".... '" 2·100 ...... , -- JD .... A100 ...... • "" - 100 ...... • == """,. ...... A

'"'" ..... .... , .. 11l:.1: ...... .... ,"""""

....., •Il«(kid ..... ....., [ ..... 100 ...... • Som_ """,. ....., •..... 100 ...... , lol:li: Acil BS .... A .... m A..'" 100 25 • LocticAUj 1050 ...... [ Steoo1 Coo:Iensme 80 A-.;~"" 100 .... A ""'.- _. ...... , S1mA£i:l ...... ....., ACllkiJm 0bi:Ie ..... ....., • Leo:Ilf!llate """"" ...... • """" '" 20 ....., [

"""""""'" """"" 60 A """~ 100 ....., • """" '" SOlD .... [{oki.m NiMle "".. ...... A ~0I0rlle """,. -, • ~'" "'.. .... [(lJbon Iilxile 100 ...... , _am> '·50 -, • '" " ...... [(trbon lellOdlbile 100 @boin!l ~l A ='""'''' '·50 ....., • """" '" ID ....., ,""'" 100 ...... , 100 B """"'" 80 ...., ,""''''''" 100 @~poiIlt

,-~

....., • """" '" 100 -, ,""'.... 100 """" A """ ~"" 100 ...... • ~OIISAcil ,<0 ....., ,(\rorri( Acid 2·100 .... , Metlryl Chlcrile 100 -, [

-"""'"100 ...... •Gn:Acil S ...... A ~ ...... • "'" 100 9S •["~ 100 .... A

-~100 ....., • -...,... 100 9S •e~. .......... A

_....100 so • ...... 100 .... •(ewer Chloride

_. ...... , Nio:k.e1 0II0rine """'" ....., [ un._. ...... •C.-Nitrole """.. .... , ""_. ...... ....., [

~:ram>100 .... ,

~ol""""2·30 ...... [ Nilrit Acid 2·100 ....., , 100 31 •100 ...... A ~Acil 100 ....., • ...., ....., •Dlhbo Ethyleoe 100 @~poW1t • """ 10 ....., ,

W~ 100 ....., •OdDo E!hynoI 100 ...... A • be, ....., • ""am> ...... ....., B

=",,' 100 .... A ""'" """'" ....., • li\( IfIhO!t_. ....., ,

. - .... A ...~ 100 ....., •DmlctiIe Woter 80 A .... 100 -, •i'.M""'" 100 .... A

-~100 ....., •

'''' 100 .... • """ 100 " •'..... 100 .... A ~'" 0100 ...... 0-10%(....., 1().8()% B

TECHNICAL DATA - CORROSION RESISTANCE OF ELECTROLESS NICKEL PLATINGComolli IilIilgs <We Poted 1JI 0t1tlnel:s Ii s..a IJ" (ITic:rons).

LIGEND:t V«y ~(J(1ory JeIlb, JIlte Ii relllO'l'tllliom «(M!asm 1m rim

2.5 lOOMS pel yel'I.B: IMJ JeSlM. JOlt 01 rel'llCMll hom (ooosion less _12.5

miclOOl pel yeDI.(: 10 !Ie deddel! ., each COle M.Udy, roTe d remMJI FJOOl

(OIlosOlless rim 25 rriallllS pel yell.

0: APDIion MIl fe(<mnefdeclfor long~, JIlII 0/r~from (ooO\ion more rim 25 mKlOOI pel yeDI.



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TECHNICAL DATA - CORROSION RESISTANCE OF ELECTROLESS NICKEL PLATING FOR VARIOUS fOODS ---0

(1J1lOll'i JirIi'qs Ole ~ed at a~ of s-a IJll (rrivonsl...

lEGEI/O: .......- VefYsaTisfoctory 191, fole rJ lefI'o:l'lU from COI101ion less ttm 1.5

miutlm pel ytIlJ. T- UseluI~, ICI. rJ lemo'>'d hom {OI1osiol1less ttm 12.5 mons..... ~~

- 10 be deOOed in eodJ CIM n:hWJy, (DIe of tellJJ'od frOOl (OlJO'

litIIless ttm 25 ,nutw!lO pel yell. -- Appkotion nor r«orrrnended for b'I!l periods, role rJ letI'IOYd from I. 1

ronosicwlll"llle Ihoo 25 rriuons per 1U.

I" "" Penetrolion I>pH Volume T~lnme 'enelrotion Volume Test rlllHl (miaons,l

Sublranle Value (Ml) (HR'i) (mkrGllS/yr) Subs!anle (Ml) (HR5) ,I

Apple Juice 3.1 .50 1702 1.2 At:om 1", ;00 5570 '.1

~~.500 1102

"HpH ='

5.1 150 3910 1.6 Aceri( Acid. 500 1616 13.1Cooned (om '.1 150 1702 "

5~ (HXOOH (2 TM) I>"""' ...'" 3.5 '00 1681 '.1 ""'- .50 "" '.3Co••"" '.1 '50 1702 ,.1 5% (A12S04) 3 iC......... ;00 1681 '.3 ...... ;00 3624 12.6(omed PoTGIOeS 5.8 350 1681 U 21N NH40ll I>~81orl1

3.8 150 3910 ... Asort,i( Ad:l, ;00 2660 16.7

• 100 312/502 I 111% (4H&05(3 ltStS@95de11eesO Asorti: kid, ;00 4990 •••Ch:xoote Candy 150 1681 5" (6H606Coffee 5.3 700 1129 '.B Co:boo lioDIe .50 4891 4.3Coli. '.8 100 312/554 4) 5% Fw '(. tesli@95de!lrees{) Gtriki:l, ;00 2660 14.1Cooked Onions "0 1102 ,.. 5% C6H807

""""" ... .50 1702 '.5 ~WllIer, 100 111

l~esrs @2degrees{)'.3 300 lH8/1633 '.1 (2~@95delFees{)

lleiorial WlI\ef, 900 m6/S089 I.'Gin (21M) 7.5 150 3910 0.02 (lMlkm%tem)(",qle JW;e • 800 1702 1.8 Oea, ;00 5510 '.1""JW;e 3.1 '00 1702 '.5 ~8~""" ... 1.3 800 1702 I . Wale" 900 m6/S089 0.05

"""'" 'SO 1702 lH 8.0 pH (~ tesrs)..... 3SO 1702 '.1 I"", ;00 383' ,.5Margarine (2 deg:ees C) 100 1633 "..,.... 3.7 '" 1681 '.1 I.octk ki:l, ;00 1337 1.3

""'" '00 16581 ,. 85" C3H603

"" ••• .50 1248/1633 '.04 ~~(2tesrs).50 2599/2618 12.6

(21M@2deg:ees{)......"" lSO 1702 '.3 PoIOSSixn CcrlKn3Ie. ~SO 2302 '.1...... 150 1681 ,. 25% K2C02

"""'... .SO 1702 Sa5ne Water '" 1337~78 1PteIed 1omJl1leS '.1 '00 1681 0.5 26" iidj (21M)P'unJW;e IIXXl 1702 I ",""W.. '" 1198/3335 ,.I..."' ... 5.5 350 1681 '.3 ~()% (;lb (21M)........ 300 124B/1633 ,.• so.. '" 1198 ,.5 '-(21es1s@2degieesC) 5" Nell. 6.3 pH

"" 5.8 ISO 3910 0.1 SeaWoteI, SOD 1272~i;SaybmOl1 30 (rj) 1681 Altha!, 8.2 pH (21tS1S)Sl:otdJ~e'I 5.3 150 3910 1.8 SocM.m 8i:lIbxiate, SOD 3839 •••5'" """" 5.1 '00 1681 1.8 2% NoOC03

"" .... 3.5 ISO 1681 ••• "t:~.;00 5041 '.1

Sjxrish 00ve<i 3.7 150 1702 '.31. 1.' 750 1729 '.1 "t:r· 'SO ." '.5I. 1.' 100 312/55. •(4 tesrs C 95 deo1ees {) Soci.m lIihate, '" 574 11lecp.i1 (2 tests) U ISO 3910 ,.• ~2% lIaN02!aIooto Juice (2 tesrsJ t2 710 1321ic1336 0.5 SocM.m Nillate, '" 1198IOlOOla Soup 15' 101 0.5 47%~03

1omllo Soup 3 100 SOl '.1 WCle1, 4SO '04 7.'(21eslS@9Sdeo1ees() 7~1(02, 3.9 pH (2 tesrs)iK4ica!1'uKh .50 1702 1.3Vegelrtk 011 '" 1729Vegelttie Soup lSO 1702 1.1<.... 1.' '" 1m 7VW 8.1 150 3910

flo " ....r '''''''' ,i, "Il'" "" ....11 ....,.""'" ."l.., "',,.a ... ,,,j,m oro ."""j for 1.4,,,,,.r ..,II""'" "j '" '" "'"ilo f., "" ",10 ,,,,,,I ..if;,

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JIC 31· FIaI1l Female


,...~00

.0'

llC 37-degree Flore

SAE Stroight Threod O-Ring Boss

The Jle 37° II00e mole will mote with a J1( female only. The liemale has straight threads and a 37° flare seat. The lie female hasslroightthreods and a 37° flCie seat. The seal is mode on the 37°flare seal.

The o'ring boss mole will mote with on o'ring boss female only.The female is genelOlly found on equipment ports. The mole hasslraightthreods and an a-ring. The female hos straight threads anda sealing face. The seal is made at the o--ring on the mole and thesealing face on the female.

--

NPSM "email'

'_'0


...:.~'0=-'--.,.

NPTF Fema\tl

'S'

SAE 4S-degree Flore

1_00

,.,v

SAE Irwefled F....S....... MlI'-

IPT or NPT Pipe Threod

1,1, .

~

00

LJ-'-.'-LNPTF Male

General Pipe Thread Identification Guide

The SA( 45° f10re mele will more with on SAE 45° flore femaleonly. The SAE mole hos stroighllhreods and 0 45° flare seol. TheSA! female hos straightlhreads and 0 45° flore seol. Ihe seol ismode on the 45° flare seol.

The NPTF (lPT) mole will mole with the NPTF or NPSM female.The NPIF (lPT) mole hos lapered threods and 030° invertedseol. The NPTF female hos tapered threods and no seot. The seollo~es ploce bV deformaTion of the threods. The NPSM lemale hosstraight threods end a 30° inverted seot. The seol rokes ploceon the 30° seoL


SAE Inverted Flore

The SAE 45° inverted flare male will mate wilh a 42° inverled1I00e female only. The male has straight threads and a 45° imrtedflare. The female has straighlthreads and a 42° inverted flare. Theseal is mode on the 45° flare seat on the male and the 42° fJOieseot on the female.

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National Pipe Thread Standard

Thread Farm

The loper on NPr threads allows them to form a seal when torqued as the flanh of the threads comprm ogainst eoch other, asopposed to straight fhread fillings or compression fillings in which the threads merely hold the pieces together cnd do nol providethe seol. Howmr 0 dearonce remains between the cresls and rools of the threads. resulting in a leakage around this spireL Thismeans thot HPl fillings mUSI be mode leak free with the aid of thread seollo~e or 0 fhread seolant tompound. (The use of lo~e orseolont will also help 10 limit corrosion on the threads, whkh (cn make future disassembly nearly impmible.l

There is elsa 0 semi-compatible variant called NPTf or Dryseol, de~igned to provide a more leak·flee seal without the u~e of Teflontope ar other seolent compound. NPTf threads are the some basic shope but with cresr end loal heighrs adjusted for on interferencefit, eliminating the ~pirol leakage path.

Sametime~ NPJ rhreods are leferred to o~ MPT (Mole Pipe Thread), MNPI, ar NPT (M) for mole (exfernol) threads and FPT (FemalePipe Thread), FNPl, or NPJ (F) for female (internal) threads. An equivolenr designation is MIP (Mole iron pipe) and FIP (Femaleiron pipe).

PIPE THREAD SIZES

NomiMlI O.ler "'..., Pile. 01 TlueodNPl Silt Diomeler per ilKh

1/16" 0.3125· 17 0.0371).4

1/a" O.~OS· 17 0.0371).4

1/~ • O.S~O· 18 0.OSSS6

3/8 • 0.67S· 18 0.OS556

1/2 • o.e~o· 14 0.071~3

3/~ • 1.050' 14 0.07143

I' 1.31S· "" 0.08696

WI' 1.660' "" 0.08696

"" 1.900· '" 0.08696

l' 2.37S· "" 0.08696,.. 2.87S· 8 0.125003• 3.500' • 0.12500.. HOO' • 0.12500

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(lasses 1A, 2A, 3A applv to external threads; Classes 1B, 28, 38 applv to intelnolthreods.

Aclassification system exists for ease ef manufacture and interchangeability of fabricated threaded items. Most (but certainly notolll threaded items ore mode to a classification standard (oiled the Unified Strew 'hreod Standard Series. This system is analogous to the fits md with assembled ports.

Example: 6·32 UN( 28 (major diameter: 0.1380 inch, pitch: 32 tpi)


UTS PREURRED SIZES

Map- dialMler Pilo Major Mllltl.rnil 11/i.l [_1

(~ '"UW( UN[

10 .. 0.0600 - 80 1.51~0

11,,0.0730 .. 71 1.85~1

12 .. 0.0860 ~ " 1.1~~

13 .. 0.0990 .. 56 2.5146

14 .. 0.1120 " .. 1.~48

15 .. 0.1250 " .. 3.1750

16,,0.1380 31 " 3.5051

18 .. 0.1640 31 " 4.1656

110" 0.1900 " 31 4.8160

Ill" 0.2160 " 18 5.4864

1/' 10 18 6.3500

S/16 18 " 7.9375

3/. 16 " 9.5150

7/16 " 10 11.1125

'/1 13 10 l1.7lXXl

9/16 11 18 14.2875

1/8 11 18 15.8750

3/. 10 16 19.0500

1/8 9 " n2250

I • 11 15AlXXl


Tol.ronle dosses

This number pair is optionally followed by the lellers UN( end UNF ilthe diameter·pilCh combinetion is from the "coarse' or ~fine' series, and may also be followed bya tolerance elm.

Unified Thread Standard

The standord designation for 0 UIS thread is 0 number indicoTing the nominal (maior)diameter of the thlead, followed by the pilch measured in threads per inrh. For diem·eters smeller than Vt inch, on integer number defined in the standard indimtes thediemeter. For all other diameters, the inch figure is gi~en.

Designotion

The Unified Thread Standard IUTS) defines 0 standard thread form andseries-along with allowances, tolerances. and designations-for screw threadscommonly md in the United Slares and Canodo. II has the some 60° profile as theISO metric screw thread used in the Jes! of the world, but the (horoclelisric dimensions of eoch U1S thread (ouler diameter and pilch) wele chosen as on inch froctionlother thon 0 round millimeter ~clue. The UTS is currently (onlrolled by ASMEjANSIin the United Steles.


(lass 1 threeds ore leaseiy lilling threads intended for ease of ossembly or use in a dirty environment.

(lass 7 threeds ore the most common. They ore designed to maximize s!rength considering typical machine shop capability andmachine prO(tice.

Class 3 threeds are used for closer tolerances.

Thread doss refers to the acceptable range of pitch diameter for any given thread. The pitch diameter is shown as d2 in figure1 aba~e. There ore severol methods that ore used to measure the pitch diameter. !he most common method used in produrtion isby wey of a Go·NoGa gouge.

ReferencesASMEjANSI 81.1 - 2003 Unified Inrh Screw Threads, UN & UNR Threed FormASMEjANSI 81.1 OM - 2004 Unified Miniature Strew ThreadsASME/ANSI 81.1 S- 1995 Unified Inch Smw Threads, UNJ Thread Form

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i

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I:..I..I~

8side DioIIIeltr ......". It"".....65" -.82"

.00'I- ,.".I>---I

Ix:.--

8

""IlioIntltr

.(1"

.55"

.63"

.79"

.88'

.0<"

'-

8

""DiaIIlettr

.47"

.60'

.16"

.93"

.23"

C<18S <AMOZD-

22 1.5

1~ U

27 2,Il

16 1.5

ATlweod Silt 1\rtGds ptf ltKII

1/. "3/8 "1/2 "3/. "I II

12 1.5

AT1weod Sile IIllII 8elw_mm 1\,eods

AThread Sile 1\reods pet llldi

1/' "3/8 "1/2 "3/. "I II

20 1.5


11} [IJA

British Standard Pipe Taper

British Standard Pipe Parallel Thread

.""'"

.....

General Metric Pipe Threads

The Blifish Standard pipe toper (85m mole hos tapered threads IheaSP1 femcle hos lapered threed5. The ieel !Ckei piece by deformotioncf the threods.

The British Standard pipe parallel (BSPP) is used primarily for threadedports and is ~imilor 10 SA! stroighllhreod. Ihe mole ho~ straightthreads and on D-ting. The BSPP female hos straight threads and asealing fcce. The nol is mode at the (l-ring on the mole and the seol·ing fore on the female.


Metril Thread

Ihe metric threed is similar to the SAE strcighllhreod as Ihe seal is(lealed bv on (l-ring on the mole mating a seol on the smooth foceor surface of the female.

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The British Standard Pipe thread (BSP thread) is 0 family 01 standard snew threed Iypes thaI has been adopted internnlionolly for interconnecting cnd sealing pipe ends by moting on external (molel with on internal (female) threod.

British Standard Pipe Thread



Threads are normally right-hand. For left-hand threads, the letters "lH"ore appended.

Pipe thread designations

Pipe thread sizes

These standard pipe threads are formally referred to by the followingsequence of bloc~s:

• the words "Pipe thread",• the document number of the standard (e.g., "ISO 7" or "EN

10226"1• the symbollof the pipe thread type:

G'"' externol.inlernal parallel (ISO 228)R'"' externollaper (150 7lRp '"' internal parallel (ISO 7lRc '"' internol taper (ISO 7l

• the thread size

Alist of 15 thread sizes is defined by the standards, ranging from1/16 to 6. The size number was originally based on the inner diame·ter measured in inches (25.4 mm) 01 a steel tube for which the threodwas intended, but is in the modern metric version of the standardsimply a size number.

Il, "..... ,ot,,,,, ,It H.I' " ,or, .,.,1, "I j,...,I.., .,,1.., ..,,,,II", ,,,.,,,, '" ..",,,I h' 11/0"",1 "'"''',''' ". ,,' .., "".ll. I" "" " ," ,,,,,,, .,11"

"",., ro,,",, Major Diallllltllf of .....Size Pel 1.dI ",. th lllUod Legt. Conespoodi-g Pipe

00 OD Thk.lMlulmml I_I [.J I_J ON lmml [1_] I_J

1/16 18 0.907 7.123 D.3O< •1/' 18 0.907 9.728 0.383 • 6 10.2 O.~O 1

1/' " 1.337 13.157 0.518 6 8 13.5 0.53 1.3

3/. " 1.337 16.662 0.656 6.' 10 17.2 D.68 1.3

1/1 " 1.81~ 20.995 0.825 8.1 " 21.3 D." 1.6

3/' " 1.814 26.441 l.()41 9.1 10 26.9 1.06 1.6

I II 2.30'1 33.2~9 1.309 10.4 11 33.1 1.33 3.1

W. II 1.309 ~1.910 1.650 12.7 31 42.~ 1.61 3.1

'" II 1.309 0.803 H82 12) " 48.3 1.90 3.1

1 II 1.309 59.61~ 1347 15.9 SO 60.3 2.31 3.6

'" II 2.309 15.184 2.960 17.5 6S 76.1 300 3.6

3 II 2.30'1 81.88~ 3.460 20.6 SO 88.9 3.10 •4 II 2.309 113.030 ~.4SO 25.5 100 11~.3 4.10 .,5 II 2.309 138.430 5.4SO 28.6 115 139.7 5.10 1

6 II 1.309 163.830 6.450 28.6 110 165.1 6.10 5

The¥ con be combined into two types of joinl1:• Jointing threads: These ore pipe threods for joints mode pressure-light by

the moting of the threads. They always use a loper exlernolthreod, but conhove either porollel 01 toper internal threads. (In Continental (urope, toperinternal pipe threads are not commonly used.)

• longsuew threads: These are parallel pipe threads used where a pressure'tight joint is achieved by the compression of a salt material (gos~et) on tothe surface of the external thread by tightening a bac~nut against a soc~et.

The major diameter listed is the auterdiameter of the external thread. fora taper thread. it is the diameter atthe "gouge length" from the smallend of the thread. The toper is "1 to16", meaning that for each 16 mmincrease in the distance from the end,the diameter inueases by 1 mm.

Two types of threods ore distinguished:• Pcrollelthreods, which hoye a constant diameter. (6)• Toper threods. whose diameter increoses or decreases along the length of

the threod. (R)

For both the toper and the parallel pipe threads, the Whitworth thread lorm isused. which has the following {horoCleristics:• symmetrical V·threod in which the angle between the f10nh is 55"

(meOSUJed in on axial plane)• one·sixth of this sharp Vis truncated at the top and the bottom• the threads are rounded equally at uests and roots by circulor orclend ton·

gentiolly with the flonh• the theofetkol depth of the thread is therefore 0.64times the nominal pitch

the relation between

Types

Thread/orm


co(~ 186



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ds (10 male Treads)

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ead

identicol to ondonnector. The

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f.... -Tilreocll.D.(in.)

11/32

7/16

19/32

3/'15/16

13/16

117/32

125/32

21/32

27/32

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Applicable Sian• III B0103 TA

PS-JISPoPipe Threawith PT Ih

.......,-

, 07

.....'" NomillCll TIo.,", 11Ireocl O.D.Sin Sill (i•.) SiZI lin.)

-I 1/8 1/8-18 3/8

• 1/. 1/4·19 17/32

• 3/8 3/8-19 21/32

• 1/1 1/2·14 13/16

-11 3/. 3/4-]( 11/32

-16 I HI 15/16

-10 11/4 11/4·11 I 21/32

-1l 11/1 11/2·11 r7/8

-31 1 1·11 111/32

-31 1 2·11 111/32

The Japanese tapered pipe thread connector isfully interchangeable with the 8SPT (topered) cJoponese connectOl does not hove 0 30" flOlemote with the BSPP femole.

Japanese Tapered Pipe Thr

Ihe threods conform to JIS B0203. which ore8SPT threods.

The seo! on the Joponese topered pipe threod cmode on the threads.


Pi threads ore fundjoncllv interchangeable with85PT threads. This is on old designations replocedwith and Rand Rc.

PT - liS Toper Pipe Threads

Applicable Standards• liS B0203 TAPER PIN THREADS• ISO 7/1 PIPE THREADS: DESIGNATION,

OIMENIIONI(TOLERANCEI

M""NomilMll Threocl TiI,eocI O.D.Sizi (in ) Sin U. I

....Sill

-I 1/' 1/8-28 3/8 11/32

• 1/. 1/4-19 11/32 1/16

• 3/. 3/8-19 21/32 19/32

• 1/1 1(1-14 13/16 3/.-10 5/' 5/8-14 29/32 13/16

-11 3/. 3/4-14 11/32 15/16

-16 I 1·11 15/16 13/16

-10 11/4 11/4·11 121/32 111/32

-1l 11/1 11/2·11 11/8 115/32

-31 1 2·11 111/32 27/32

The threods on the Joponese 3D" Ii00e connectOl confOlm to 115 B0202. which are the some os the BSPP threods. Both the Britishond Joponese (onnectors ho~e 0 30" seat, but they Ole not inter·chongeable. becouse the British seot is in~erted.

Japanese 30· Flare Parallel Threads

These Japanese 30° Ilore mole (ooneOOI will mole with aJapanese 30° f10re femole only.

The mole ond femole hove stroightthreods ond 0 3D" seot. Theseol is mode on 0 3D" seot.

,.....

PF - JIS Parallel Pipe Threads

Pf threads ore functionally inrerdongeoble wifhBSP? This is on old designations reploced with G.

Applicable Standards• liS 8 202 PARAlLH PIPE IHR(ADS• ISO 228/1 PIPE THREADS Pi 1: DESIGNATION,

DIMENSIONS, rOlfRANCf

Japanese Standards


flo " ....r '''''''' ,I, "Ill" "" ....11 ....,.""'" .,Il.., "',,.a... ,,,j,m oro ."""j for 1.4,..".1 ..,II""'" "j '" tot "".i" f•• "" ",lo ,,,,,,I ..if;,



The ISO metric screw threads ole the worldwide most commonly used type 01 general·purpose screw thlead. They were one of the firsl internationalstondOids agreed when the International Orgonizotion for Standardization was set up in 1947.

Internotionol stondordlSO 261 defines 0detoiledlist 01 preferred combinotions 01 outer diometer 0 ond pitch Plor ISO metric screw threods. ISO 262defines the following shorter lisl 01 thread dimensions - a subset of the combinolions listed in ISO 261 - which are selected sim lor screws, boll'sand nuts:

ISO Metric Screw Thread

Tolerance dosses defined in ISO 965·1 (onbe oppendedto these designations,if required.Example: Ml0 - 6g in external threads.


The "coarse" pit(h is the commonly used deloultpitch lor 0 given diameter. In addition, one ortwo smoller "fine" pitches are defined, for usein applications whele the heigh! 01 the normal"coarse" pitch would be unsuitoble (e.g.. threadsin thin-walled pipes). The terms "coarse" and"fine" hove in this conted no relation to themanufacturing quality of the thread_

If the pitch is the normolly used "(oorse"pitch listed in ISO 261 or ISO 262,il is omitted.homple: M8


HomillCll Dialllllier Nominal Diamet.rlOI-J PitdI(P/_l (D/lllllli Pitch IP/mml

I, I,

""'. 2M Choice [~ IN ""'. 2M Choice [~ IN

1 0.25 16 1 I.S

1.1 0.25 '" 1.1 1 1.\

1.. 0.' 10 1.1 1 I.S

1.6 0.35 11 1.\ 1 I.S

1.8 0.35 ", 1

1 0.' 17 , 1

1.1 0.45 30 3.\ 1, 0.\ ~ ,.I 1,.I 0.6 "

, ,, 0.7 "

, ,\ 0.8 " 4.\ ,6 1 41 ,.I ,

1 I 4B \ ,8 1.25 1 11 \ ,10 1.\ 1.25 1 16 \.1 ,11 1.15 1.\ 1.25 60 \.\ •

" 1 1.1 .. 6 ,

Amelric ISO screw thread is designated by the leIter Mfollowed by the value of the nominol diameter 0 (Drnoiin the diagram above) ond the pilch P, both expressed inmillimeters and separated by the multiplicotion sign ·x·.Example: M8x1.2S

Pre/erred sizes

Designotion


Referenles

International standards:• )5068-1: ISO generol-purpose screw threods - Basic profile - Metric screw threads.• ISO 261: ISO generel·purpose metric screw thleeds - General plen.• 150 261: ISO generel-pulpose metric screw thleeds - Selected sizes for mews, bolts ond nuts.• ISO 96S·1: ISO genelol'purpose metric mew threads - loleronces - Port 1: Principles and bask data.

c<~ 188

Equivalent national standards:• BS 3643: ISO metric screw threads• ANSIjASME B1.13M: Metric Screw Threeds: MProfile

lit co.,," """" 'II ",.,,, ..., .,"1, ..; j,.",,,,, '.11,,, "',"Tlo .. ,,,h," '" j",.,,; I" 1.;,,"'.1 ",hut,... u; ••,." ...,,\1, I" "I,,, .1. 1"",1 "llo,



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