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Stainless Steel Threaded Half Coupling

Name: Threaded Half Coupling

Sizes1/8″NB TO 4″NB IN (DN6 x DN100)

Pressure Class3000 LBS, 6000 LBS, 9000 LBS

Thickness : Schedule 5S, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS and etc.

DimensionASME 16.11, MSS SP-79, MSS SP-95, 83, 95, 97, BS 3799

Grades&MaterialsASTM A403 WP Gr. 304, 304L, 304H, 310, 316, 316L, 316H, 316Ti, 317L, 321, 347, 904LASTM A234 WPB, WPBW, WPHY 70, WPHY 65, WPHY 60, WPHY 52, WPHY 46, & WPHY 42.ASTM A420 WPL6, ASTM A420 WPL3ASTM / ASME A/SA 234 Gr. WP1, WP5, WP9, WP11, WP12, WP22, WP91ASTM A815, ASME SA815 UNS NO S31803, UNS NO S32205, UNS S32750, UNS S32950. Werkstoff No. 1.4462,UNS 10276 (HASTELLOY C 276), UNS 6625 (INCONEL 625), UNS 6601 (INCONEL 601), UNS 6600 (INCONEL 600), UNS 8825 (INCONEL 825), UNS 8020 (ALLOY 20 / 20 CB 3), UNS 4400 (MONEL 400), UNS 2201 (NICKEL 201), ASTM / ASME SB 336 UNS 2200 (NICKEL 200)

Type: Socket Weld (S/W) & SCREWED (SCRD) – NPT, BSP, BSPT

FromThreaded / Screwed Coupling, Threaded Forged Half Coupling

Application: Oil and GasPower stationWater PipelineNoncritical ApplicationsChemicalFire Protection

Model number: KXSSTHC

Orignal: Wenzhou,Zhejiang

Standrad:ASME/ANSI B16.11, MSS SP-79, MSS-SP-95, 83, 97,DIN28011, DIN2617, DIN2616, DIN2615, DIN2605EN10253-2, EN10253-1

Package: Standard export package

Price: 1~100usd/pc

Delivery: Accord Quantity

  • Product Detail

What is Threaded Half Coupling?

A stainless steel threaded half coupling is a type of plumbing fitting that is used to connect two pipes or fittings together. It is made of corrosion-resistant stainless steel and has threads on one end to allow it to be screwed onto a pipe or fitting. The other end is open and is typically used to connect to another pipe or fitting via welding, threading or other connection method. Half couplings are typically used in applications where a smaller coupling is needed to join two pipes together. They are commonly used in residential plumbing, commercial plumbing, industrial and marine applications.

Difference Between Half Coupling And Full Coupling

  • The threaded half coupling differ and depend on the piping it is used in. The stainless steel threaded half coupling is the most used one in terms of the composition material.
  • The threaded full coupling is a pipe fitting of short length that has two pipes joined together by threads at both ends

Specifications of ASME B16.11 Threaded Half Coupling

Sizes 1/8″NB TO 4″NB IN (DN6 x DN100)
Standards ASME/ANSI B16.11, MSS SP-79, MSS-SP-95, 83, 97,DIN28011, DIN2617, DIN2616, DIN2615, DIN2605EN10253-2, EN10253-1
Dimensions ASME 16.11, MSS SP-79, MSS SP-95, 83, 95, 97, BS 3799
Thickness Schedule 5S, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS and etc.
Pressure Class 3000 LBS, 6000 LBS, 9000 LBS
From Threaded / Screwed Coupling, Threaded Forged Half Coupling
Grades&Materials ASTM A403 WP Gr. 304, 304L, 304H, 310, 316, 316L, 316H, 316Ti, 317L, 321, 347, 904LASTM A234 WPB, WPBW, WPHY 70, WPHY 65, WPHY 60, WPHY 52, WPHY 46, & WPHY 42.ASTM A420 WPL6, ASTM A420 WPL3ASTM / ASME A/SA 234 Gr. WP1, WP5, WP9, WP11, WP12, WP22, WP91ASTM A815, ASME SA815 UNS NO S31803, UNS NO S32205, UNS S32750, UNS S32950. Werkstoff No. 1.4462,UNS 10276 (HASTELLOY C 276), UNS 6625 (INCONEL 625), UNS 6601 (INCONEL 601), UNS 6600 (INCONEL 600), UNS 8825 (INCONEL 825), UNS 8020 (ALLOY 20 / 20 CB 3), UNS 4400 (MONEL 400), UNS 2201 (NICKEL 201), ASTM / ASME SB 336 UNS 2200 (NICKEL 200)
Type Socket Weld (S/W) & SCREWED (SCRD) – NPT, BSP, BSPT

ANSI B16.11 Stainless Steel Threaded Half Coupling Manufacturing Standards

ASME Standard ASME/ANSI B16.11, MSS SP-79, MSS-SP-95, 83, 97
DIN Standard DIN28011, DIN2617, DIN2616, DIN2615, DIN2605
EN Standard EN10253-2, EN10253-1
ASME B16.11 Threaded
ASTM A182 – ASME SA182 Standard Specification for Wrought Austenitic SS Piping Threaded Fittings
MSS SP-95 Threaded Full Coupling

NPT Threaded Half Coupling Materials and Grades

Stainless Steel Threaded Half Coupling
ASTM A403 WP Gr. 304, 304L, 304H, 310, 316, 316L, 316H, 316Ti, 317L, 321, 347, 904L
Carbon Steel Threaded Half Coupling
ASTM A234 WPB, WPBW, WPHY 70, WPHY 65, WPHY 60, WPHY 52, WPHY 46, & WPHY 42.
Low Temperature Threaded Half Coupling
ASTM A420 WPL6, ASTM A420 WPL3
Alloy Steel Threaded Half Coupling
ASTM / ASME A/SA 234 Gr. WP1, WP5, WP9, WP11, WP12, WP22, WP91
Duplex & Super Duplex Steel Threaded Half Coupling
ASTM A815, ASME SA815 UNS NO S31803, UNS NO S32205, UNS S32750, UNS S32950. Werkstoff No. 1.4462
Nickel Alloy Threaded Half Coupling
UNS 10276 (HASTELLOY C 276), UNS 6625 (INCONEL 625), UNS 6601 (INCONEL 601), UNS 6600 (INCONEL 600), UNS 8825 (INCONEL 825), UNS 8020 (ALLOY 20 / 20 CB 3), UNS 4400 (MONEL 400), UNS 2201 (NICKEL 201), ASTM / ASME SB 336 UNS 2200 (NICKEL 200)

High Pressure Threaded Half Coupling Types by Size, Class, and Wall Thickness

Description Class Designation
2000 3000 6000
Threaded Full Coupling 1/2 4 1/2 2 1/2 2
1/2 4 1/2 2 1/2 2
1/2 4 1/2 2 1/2 2
Pipe Wall SCH 80 / XS SCH 160 XXS

Threaded Half Coupling Dimensions

Threaded Half Coupling Dimensions

Threaded Half Coupling Dimensions

NOMINAL PIPE SIZE END TO END MINIMUM LENGTH OF THREAD OUTSIDE DIAMETER
Inch. Full Coupling #3000 #6000
A B C D D
1/8 32 6.7 6.4 16 22
1/4 35 10.2 8.1 19 25
3/8 38 10.4 9.1 22 32
1/2 48 13.6 10.9 28 38
3/4 51 13.9 12.7 35 44
1 60 17.3 14.7 44 57
1 1/4 67 18 17 57 64
1 1/2 79 18.4 17.8 64 76
2 86 19.2 19 76 92
2 1/2 92 28.9 23.6 92 108
3 108 30.5 25.9 108 127
4 121 33 27.7 140 159
All Dimensions are in mm

ASME B16.11 Threaded Half Coupling Angularity Tolerance

ND Max off angle Max off plane
Q P
1/2 a 4 1 2
5 a 8 2 4
10 a 12 3 5
14 a 16 3 7
18 a 24 4 10
26 a 30 5 10
32 a 42 5 13
44 a 48 5 20

ASME B16.11 Half Coupling Temperature

ASME B16.11 Half Coupling Temperature Class
150 300
1/4 1 inch. 1 1/4 2 inch. 2 1/2 3 inch.
(oF) (oC)
-20 to 150 -29 to 66 300 2000 1500 1000
200 93 265 1785 1350 910
250 121 225 1575 1200 825
300 149 185 1360 1050 735
350 177 150 1150 900 650
400 204 935 750 560
450 232 725 600 475
500 260 510 450 385
550 288 300 300 300

ASME B16.11 Threaded Half Coupling Weight

ASME B16.11 Threaded Half Coupling Weight pic

ASME B16.11 Threaded Half Coupling Weight pic

ASME B16.11 Threaded full Coupling drawing

ASME B16.11 Threaded full Coupling drawing

 

ASME B16.11 Threaded Half Coupling Drawing

ASME B16.11 Threaded Half Coupling Drawing

 

DN Nom. Pipe Size Center to End Coupling

W

Center to End Cap

P

Outside Diameter End Wall

Thickness

G Min.

ength of Thread

Min. (1)

000& 6000 3000 6000 3000 6000 3000 6000 B L2
6 1/8″ 32 19 16 4.8 6.4 6.7
8 1/4″ 35 25 27 19 25 4.8 6.4 8.1 10.2
10 3/8″ 38 25 27 22 32 4.8 6.4 9.1 10.4
15 1/2″ 48 32 33 28 38 6.4 7.9 10.9 13.6
20 3/4″ 51 37 38 35 44 6.4 7.9 12.7 13.9
25 1″ 60 41 43 44 57 9.7 11.2 14.7 17.3
32 1-1/4″ 67 44 46 57 64 9.7 11.2 17.0 18.0
40 1-1/2″ 79 44 48 64 76 11.2 12.7 17.8 18.4
50 2″ 86 48 51 76 92 12.7 15.7 19.0 19.2
65 2-1/2″ 92 60 64 92 108 15.7 19.0 23.6 28.9
80 3″ 108 65 68 108 127 19.0 22.4 25.9 30.5
100 4″ 121 68 75 140 159 22.4 28.4 27.7 33.0

(1) Dimensions in Millimeters

(2) Dimension B is minimum length of perfect thread. The length of useful thread (B plus threads with fuly formed roots and flat crests) shall not be less than L2(effective length of external thread) required by American National Standard for Pipe Threads (ANSI/ASME B1.20. 1)

TYPES OF ASME B16.11 THREADED Half COUPLING

Forged Threaded Half Coupling Threaded Half Coupling Stainless Steel
SS Forged Threaded Half Coupling BS 3799 Forged Screwed Half Coupling
ASTM A182 Threaded Half Coupling Duplex Steel Threaded Half Coupling
Carbon Steel Threaded Half Coupling High Quality Threaded Half Coupling
Titanium Forged Threaded Half Coupling Inconel Threaded Forged Half Coupling
Super Duplex Steel Screwed Half Coupling Copper Nickel Threaded Half Coupling
High Nickel Alloy Threaded Half Coupling Hastelloy Screwed Half Coupling Pipe Fittings
150 lb. Threaded Half Coupling Fittings 6000LBS Forged Steel Threaded Half Coupling
ASME B16.11 Forged Threaded Pipe Half Coupling Threaded Forged Half Coupling 3000LBS
ANSI B16.11 Forged Threaded Half Coupling Asme B16.11 Half Coupling Threaded – Class 3000

Applications Of ASME B 16.11 Threaded Half Coupling

  • ASME B 16.11 Threaded Half Coupling used in Chemical and petrochemical processing
  • ASME B 16.11 Threaded Half Coupling used in refineries
  • ASME B 16.11 Threaded Half Coupling used in electronics
  • ASME B 16.11 Threaded Half Coupling used in fertilizer
  • ASME B 16.11 Threaded Half Coupling used in power plant
  • ASME B 16.11 Threaded Half Coupling used in nuclear power
  • ASME B 16.11 Threaded Half Coupling used in oil and gas
  • ASME B 16.11 Threaded Half Coupling used in paper industries

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