Valtron Forge & Fittings is a leading manufacturer, supplier, stockist, and exporter of premium quality Threaded Half Coupling in India. We offer a comprehensive range designed to meet international standards and the demanding requirements of industrial piping systems.
Our threaded half couplings are welded directly to vessel walls and pipe headers to create small threaded branch connections for instruments, drains and vents.
A Threaded Half Coupling is threaded on one end only; the plain end is welded to the run pipe or vessel. Manufactured to ASME B16.11, it provides a compact, strong outlet for gauge, vent, drain and sampling connections.

Threaded one end, plain welding end on the other
Ideal for instrument, vent, drain and sampling branches
Pressure classes 2000#, 3000# and 6000# as per ASME B16.11
Forged construction for superior strength and durability
Leak-tight NPT / BSPT / BSPP thread options
Available in all grades of stainless, carbon, alloy and nickel alloys
Sizes from 1/8” NB to 4” NB
| Parameter | Specification |
|---|---|
| Product | Threaded Half Coupling |
| Manufacturing Standards | ASME B16.11, BS 3799, MSS SP-79, MSS SP-83, MSS SP-95, MSS SP-97 |
| Material Standards | ASTM A105, ASTM A182, ASTM A350, ASTM B564 |
| International Codes | ASME, ASTM International |
| Pressure Classes | 2000#, 3000#, 6000# |
| Size Range | 1/8” NB to 4” NB |
| Thread Types | NPT (ASME B1.20.1), BSPT, BSPP |
| End Connection | Threaded / Screwed (SCRD) |
| Inspection & Testing | PMI Testing, Hardness Test, Impact Test, Hydrostatic Test, Dimensional Inspection, Visual Inspection |
| Certification | Mill Test Certificate (EN 10204 3.1 / 3.2), Third-Party Inspection (TPI) |