NPT Coupling

Duplex Steel Forged Fittings

Trusted NPT Coupling manufacturer and supplier Zizi offers best quality, size accurate and cost-effective threaded fittings for Southeast Asia.

NPT THREAD

ASTM A182 F55 Threaded Coupling is high strength, excellent corrosion resistance and durable fitting that suit for small diameter pipe connections. Its installation is quick, easy as well as leak proof. The American standard pipe thread NPT has 60°thread angle and tapered end, it is standard threads for ASME Threaded Fittings.

3/4 NPT Coupling Dimensions

3/4 NPT Coupling Dimensions

Standard: ASME/ANSI B16.11, BS3799, EN ISO 4144

Size: 1/8″, 1/4″, 3/8″, 1/2″, 3/4″, 1″, 1 1/4″, 1 1/2″, 2″, 2 1/2″, 3″, 4″

Pressure Ratings: 3000 LB, 6000 LB

Type: Full and Half Coupling, Straight Coupling and Reducer Coupling

Surface: Anti-rust Oil and Galvanized

Threaded Coupling Weight

Threaded Coupling Weight

Material Grades of NPT Female Coupler

Stainless Steel: ASTM A182 F304/304L, F304H, F316/316L, F310, F317, F347, F321

Carbon Steel: ASTM A105, A350 LF2, LF3,  A694 F52, F60, F65, F70

Alloy Steel Threaded Coupling: ASTM A182 F1, F5, F9, F11, F12, F22, F91

Duplex Steel : ASTM A182 F51, F53, F55, S 31803, S 32205, S 32550, S32750, S32760, S 32950

NPT Pipe Fittings

Package

We marked all Duplex Stainless Steel Forged Fittings with Grade, Lot No, Size, Standard and Pressure Ratings. Our workers sleeved NPT Threaded Coupling into plastic bag individually, put them into cartons and wooden cases, bundled wooden cases with nylon rope.

Package of Full Coupling

Clear labels are tagged on the outside of the package for easy identification of the quantity and product I.D. great care is taken during operation and transportation.

Inspection

1. Visual the surface of threaded fittings body. Such as dents, die marks, porosity, undercuts etc.
2. Check the marking. Such as size, material code, material grade, thickness, heat no.
3. Measure dimensions. Such as outside diameter, wall thickness, height and thread length.
4. Test thread of NPT coupling with Go-No Go Gauge.

Advantages

• Good Quality
• Fast Delivery
• Safe Package
• Abundant Stock
• Reasonable Price
• Reliable Shipment