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Credibility ,What is threaded half coupling?
A threaded half coupling means a steel coupling which only has one thread end, another end of the coupling should be butt welding end. The thread end could be NPT or BSP standard thread. The butt welding end could be a plain end or a bevel end. it could be the connection between a pipe of male thread end and a pipe of no thread end.
MATERIALS:
Stainless Steel Threaded Half Coupling – SS Threaded Half Coupling
ASTM A182 F304, 304H, 309, 310, 316, 316L, 317L, 321, 347, 904L
Duplex Stainless Steel Threaded Half Coupling - Duplex SS Threaded Half Coupling
ASTM / ASME A/SA 182 UNS F 44, F 45, F51, F 53, F 55, F 60, F 61.
Carbon Steel Threaded Half Coupling – CS Threaded Half Coupling
ASTMA 105/A694/ Gr. F42/46/52/56/60/65/70
Low Temperature Carbon Steel Threaded Half Coupling – LTCS Threaded Half Coupling
A350 LF3/A350 LF2
Alloy Steel Threaded Half Coupling – AS Threaded Half Coupling
ASTM / ASME A/SA 182 F1/F5/F9/F11/F22/F91
Nickel Alloy Threaded Half Coupling :
Standard:
ASTM / ASME SB 564 / 160 / 472.
UNS 10276 (HASTELLOY C 276 Forged Elbow)Copper Alloy Threaded Half Coupling
ASTM / ASME SB 61 / 62 / 151 / 152.
C 70600 (CU -NI- 90/10) – Cupro Nickel Forged Elbow
C 71500 (CU -NI- 70/30) – Copper Nickel Forged Elbow
UNS NO. C 92200, UNS NO. C 83600, UNS NO. UNS NO C 10100,
C 10200, C 10300, C 10800, C 12000, C 12200
DIMENSIONS OF ASME B16.11 THREADED HALF COUPLING
Dimensions threaded Half couplings - NPS 1/2 to 4 - 3000 LBS - ASME B16.11
NPS | End to End | Outside Diameter | Minimum Length of Thread | |
A | D | B | J | |
1/2 | 48 | 28 | 10.9 | 13.6 |
3/4 | 51 | 35 | 12.7 | 13.9 |
1 | 60 | 44 | 14.7 | 17.3 |
1¼ | 67 | 57 | 17 | 18 |
1½ | 79 | 64 | 17.8 | 18.4 |
2 | 86 | 76 | 19 | 19.2 |
2½ | 92 | 92 | 23.6 | 28.9 |
3 | 108 | 108 | 25.9 | 30.5 |
4 | 121 | 140 | 27.7 | 33 |
Dimensions threaded Half couplings - NPS 1/2 to 4 - 6000 LBS - ASME B16.11
NPS | End to End | Outside Diameter | Minimum Length of Thread | |
A | D | B | J | |
1/2 | 48 | 38 | 10.9 | 13.6 |
3/4 | 51 | 44 | 12.7 | 13.9 |
1 | 60 | 57 | 14.7 | 17.3 |
1¼ | 67 | 64 | 17 | 18 |
1½ | 79 | 76 | 17.8 | 18.4 |
2 | 86 | 92 | 19 | 19.2 |
2½ | 92 | 108 | 23.6 | 28.9 |
3 | 108 | 127 | 25.9 | 30.5 |
4 | 121 | 159 | 27.7 | 33 |
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