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ASME B16.11 / BS3799 Threaded Reducing Coupling

 

ASME B16.11 Threaded Reducing Coupling Specification

Size Class Range Dimension Specification
1/4" to 4" 2000, 3000, 6000, 9000 Elbow, Tee, Nipple, Coupling, Plug, Socket, Bushing, Union, Welding Outlets, Socket Weld Outlets, Threaded Outlets ANSI B 16.11 ASTM A 182

ASTM / ASME SB 336 UNS 2200 (NICKEL 200) , UNS 2201 (NICKEL 201 ) , UNS 4400 (MONEL 400 ) , UNS 8020 ( ALLOY 20 / 20 CB 3 ) , UNS 8825 INCONEL (825) , UNS 6600 (INCONEL 600 ) , UNS 6601 (INCONEL 601) , UNS 6625 (INCONEL 625) , UNS 10276 (HASTELLOY C 276)

Copper Alloy Steel Thread Reducing Couplings / Half Couplings / Full Couplings

ASTM / ASME SB 111 UNS NO.C 10100 , C 10200 , C 10300 , C 10800 , C 12000, C 12200, C 70600 , C 71500
ASTM / ASME SB 466 UNS NO.C 70600 ( CU -NI- 90/10) , C 71500 ( CU -NI- 70/30)

Stainless Steel Thread Reducing Couplings / Half Couplings / Full Couplings

ASTM / ASME SA 403 GR WP "S" / "W" / " WX" 304 , 304L, 304H, 304N, 304LN, 309, 310H, 316, 316H, 317, 317L, 321, 321H, 347, 347 H

Duplex Steel Thread Reducing Couplings / Half Couplings / Full Couplings

ASTM / ASME SA 815 UNS NO.S 31803, S 32205, S 32550, S 32750, S 32760

Carbon Steel Thread Reducing Couplings / Half Couplings / Full Couplings

ASTM / ASME A 234 WPB, WPC
ASTM / ASME A 860 WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70

Alloy Steel Thread Reducing Couplings / Half Couplings / Full Couplings

ASTM / ASME A 234 WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 23, WP 91

Types : Forged Elbow, Forged Tee, Forged Reducer, Forged Return Bends, Forged Stub-Ends, Forged Cap, Forged Collar, Forged Cross, Forged Insert etc.
Thread Reducing Couplings Size : 1/2” NB TO 24” NB.

ASME B16.11 Threaded Reducing Coupling Dimensions

NPS
Socket
Bore
Depth
Socket
Bore
diameter
Socket
wall thickness
Laying lengths
B
J
D
C
Coupling
E
1/2
21.95
21.70
10
16.6
15
4.65
4.10
9.5
3/4
27.30
27.05
13
21.7
20.2
4.90
4.25
9.5
1
34.05
33.80
13
27.4
25.9
5.70
5.00
13
42.80
42.55
13
35.8
34.3
6.05
5.30
13
48.90
48.65
13
41.7
40.1
6.35
5.55
13
2
61.35
61.10
16
53.5
51.7
6.95
6.05
19
74.20
73.80
16
64.2
61.2
8.75
7.65
19
3
90.15
89.80
16
79.5
46.4
9.50
8.30
19
4
115.80
115.45
19
103.8
100.7
10.70
9.35
19

ASME B16.11 Threaded Reducing Coupling Uses & Application

  • Oil Mills
  • Mining
  • Construction
  • Shipbuilding
  • Steel Plant
  • Offshore
  • Defence
  • Ports
  • Railway
  • Engineering Co. &
  • Government Org. etc.