ASME B16.11 Threaded Screwed Half Coupling Manufacturer

What is a Threaded Half Coupling?

A threaded half coupling is a type of forged pipe fitting used to connect small-bore piping—typically instrument lines or branch connections—to a main pipe. It features internal threading on one end, allowing a threaded pipe or fitting to be screwed into place, while the other end is left plain for welding or left unused depending on the installation type. Threaded half couplings are manufactured in accordance with ASME B16.11 standards and are available in NPT or BSP thread configurations to suit various regional piping requirements.

These couplings are designed for high-pressure and high-temperature systems where leak-proof connections are essential. They are available in a range of materials, including stainless steel, carbon steel, alloy steel, duplex, and nickel alloys, ensuring compatibility with corrosive environments, aggressive chemicals, and demanding industrial conditions. Their compact structure and threaded connection make installation quick and efficient without the need for extensive welding or specialized equipment.

Threaded half couplings are widely used across industries such as oil and gas, petrochemical processing, power plants, water treatment, pharmaceuticals, and hydraulic systems. They are ideal for branching off measurement devices, valves, gauges, or supporting auxiliary piping. Due to their durability, precise threading, and versatility, threaded half couplings remain an essential component in secure, pressure-rated piping systems.

Standard Specification For Threaded / Screwed Half Coupling

Dimensions : ASME 16.11, MSS SP-79, MSS SP-95, 83, 95, 97, BS 3799

Size : 1/8" NB TO 4" NB

Pressure Class : 3000 LBS, 6000 LBS, 4500 LBS

Form : Couplings, Half Couplings, Reducing Coupling

Material & Grades of Forged Threaded / Screwed Half Coupling

Stainless Steel Forged Threaded / Screwed Half Coupling :

ASTM A182 F304, F304L, F306, F316L, F304H, F309S, F309H, F310S, F310H, F316TI, F316H, F316LN, F317, F317L, F321, F321H, F11, F22, F91, F347, F347H, F454L, ASTM A312/A403 TP304, TP304L, TP316, TP316L

Duplex & Super Duplex Steel Forged Threaded / Screwed Half Coupling :

ASTM A 182 – F 51, F53, F55 S 31803, S 32205, S 32550, S 32750, S 32760, S 32950.

Carbon Steel Forged Threaded / Screwed Half Coupling :

ASTM/ ASME A 105, ASTM/ ASME A 350 LF 2, ASTM / ASME A 53 GR. A & B, ASTM A 106 GR. A, B & C. API 5L GR. B, API 5L X 42, X 46, X 52, X 60, X 65 & X 70. ASTM / ASME A 691 GR A, B & C

Alloy Steel Forged Threaded / Screwed Half Coupling :

ASTM / ASME A 182, ASTM / ASME A 335, ASTM / ASME A 234 GR P 1, P 5, P 9, P 11, P 12, P 22, P 23, P 91, ASTM / ASME A 691 GR 1 CR, 1 1/4 CR, 2 1/4 CR, 5 CR, 9CR, 91

Copper Alloy Steel Forged Threaded / Screwed Half 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- 45/10) , C 71500 ( CU -NI- 70/30)

Nickel Alloy Forged Threaded / Screwed Half Coupling :

ASTM / ASME SB 336, ASTM / ASME SB 564 / 160 / 163 / 472, 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)

ASME B16.11 Forged Threaded / Screwed Half Coupling Available Types

Forged Threaded Half Coupling	Forged Screwed Half Coupling
150 lb. Threaded Fittings Half Coupling	Threaded Forged Half Coupling
ASME B16.11 Forged Threaded Half Coupling	Forged Half Coupling 3000LB Threaded
Stainless Steel Screwed Half Coupling Suppliers	SS Forged Threaded Half Coupling
ANSI B16.11 Forged Threaded Half Coupling Dealer	BS 3799 Forged Screwed Half Coupling Exporter
Forged Threaded Half Coupling Stockholder	Threaded Forged Half Coupling Distributors
Carbon Steel Threaded Half Coupling	High Quality Threaded Half Coupling Manufacturer
ASTM A182 Threaded Stainless Steel Coupling	Duplex Steel Threaded Half Coupling
Super Duplex Steel Screwed Half Coupling	Copper Nickel Threaded Half Coupling
High Nickel Alloy Forged Threaded Coupling	Hastelloy Screwed Half Coupling Stockist
Titanium Forged Threaded Half Coupling	Inconel Threaded Half Coupling

Forged Threaded / Screwed Half Coupling Application

Stainless Steel Forged Threaded Half Coupling uses in Oil and Gas Pipeline
Forged Threaded Half Coupling uses in Chemical Industry
Alloy Steel Threaded Half Coupling uses in Plumbing
Forged Screwed Half Coupling uses in Heating
Threaded Forged Half Coupling uses in Water Supply Systems
ANSI B16.11 Forged Threaded Half Coupling uses in Power Plant
Threaded Half Coupling uses in Paper & Pulp Industry
Forged Screwed Half Coupling uses in Food Processing Industry

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