What is threaded reducing coupling?

A threaded reducing coupling is a connector used to screw two pieces of pipe together using threaded rings.Dimension:ANSI B 16.11Specification:ASTM A 182Size:1/4″ to 4″Class:2000 LBS, 3000 LBS, 6000 LBS, 9000 LBSRange:Union, Tee, Elbow, Socket, Nipple, Coupling, Plug, Bushing, Weldolet, Threadolet, Sockolet.

Types:

Forged Cap, Forged Reducer, Forged Elbow, Forged Tee, Forged Insert , Forged Stub-Ends, Forged Return Bends, Forged Collar, Forged Cross.

Materials and Grade:

Stainless Steel Threaded Reducing Coupling:

ASTM / ASME SA 403 GR WP “S” / “W” / ” WX”

304, 304L, 304H, 304N, 304LN, 309, 310H, 316, 316H, 317, 317L, 321, 321H, 347, 347H.

Duplex Steel Threaded Reducing Coupling:

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

Carbon Steel Threaded Reducing Coupling:

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

Alloy Steel Threaded Reducing Coupling:

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

Nickel Alloy Threaded Reducing Coupling:

ASTM / ASME SB 336, Nickel Alloy 200 (UNS No. 2200), Nickel Alloy 201 (UNS No. 2201), Monel 400 (UNS No. 4400), Alloy 20 / 20 CB 3 (UNS No. 8020), Inconel 825 (UNS No. 8825), Inconel 600 (UNS No. 6600), Inconel 601 (UNS No. 6601), Inconel 625 (UNS No. 6625), Hastelloy C 276 / C22 / B2 (UNS No. 10276)

Copper Alloy Steel Threaded Reducing Coupling:

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)