Threaded Full Coupling Manufacturer, Supplier & Exporter
Valtron Forge & Fittings is a leading manufacturer, supplier, stockist, and exporter of premium quality Threaded Full Coupling in India. We offer a comprehensive range designed to meet international standards and the demanding requirements of industrial piping systems.
Our threaded full couplings join two lengths of threaded pipe in-line, forming a strong, leak-tight connection in the most compact form possible.
A Threaded Full Coupling is a short forged cylindrical fitting threaded internally along its entire length. Manufactured to ASME B16.11, it connects two pipe ends or a pipe to a nipple or swage, and is the most common joining fitting in screwed piping.
Key Features
Full-length internal threads for joining two pipe ends
Pressure classes 2000#, 3000# and 6000# as per ASME B16.11
Forged construction for superior strength and durability
Quick screwed installation without welding
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
Material Used in Manufacturing
- We manufacture Threaded Fittings in a wide range of materials depending on service conditions and project specifications:
- Stainless Steel (ASTM A182 F304/304L, F316/316L, F321, F347)
- Carbon Steel (ASTM A105)
- Alloy Steel (ASTM A182 F1, F5, F9, F11, F22, F91)
- Low Temperature Carbon Steel (ASTM A350 LF2 / LF3)
- Duplex & Super Duplex Stainless Steel (ASTM A182 F51 / F53 / F55)
- Nickel Based Alloys (ASTM B564 – Monel, Inconel, Incoloy, Hastelloy)
- All materials comply with standards issued by ASTM International and ASME.
Applications
- Threaded fittings are ideal for:
- Low and medium pressure piping systems
- Instrumentation, sampling and gauge connections
- Utility lines – air, water, steam and gas services
- Fire protection and sprinkler systems
- Oil & gas surface piping where welding is not desirable
- Plumbing and general industrial piping networks
Standards and Specification
| Parameter | Specification |
|---|---|
| Product | Threaded Full 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) |
Why Choose Valtron Forge & Fittings?
- Precision-cut threads ensuring tight, leak-resistant assembly without welding.
- Quick installation and easy dismantling for maintenance-friendly systems.
- High-performance materials for durability and corrosion resistance.
- Rigorous quality control including thread gauging and hydrostatic testing.
- Complete range of threaded fittings under one roof with international certification.
- Threaded Full Coupling from Valtron Forge & Fittings provide reliable performance, mechanical strength, and compliance with international standards, making them suitable for demanding industrial and process piping systems.
