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Steel Pipe Nipple – NPT

Steel Pipe Nipple – NPT

Material: Carbon Steel/Stainless Steel/Alloy Steel

Standard: ANSI/ASTM A733

Thread Standard: NPT

Size: 1/8”-6”inch

Pressure Class: SCH40/SCH80

Type: Welded/Seamless

Finish: Black, Galvanized and Sand-blasted

Packing Method:

1. Plastic bag & Carton & Plywood

2.According to customers’ requirements


Product Detail

Product Tags

Nipple is a kind of fittings in the steel industries. Nipple is a short piece of pipe which is tapered with NPT or BSP male thread on the pipe end to connect with the pipes.

NPT Nipple is one of the most common thread nipples.

NPT(full name-American National Pipe Thread) is used on threaded pipes and pipe fittings, FLange etc., which has tapered and straight thread series for various purposes including rigidity, pressure-tight sealing.

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Pipe Size B A,   Length C,Nominal Wall
Pipe O.D. Close Space STD. XH
1/8” 0.405 3/4 1 1/2 2 2 1/2 3 3 1/2 4 4 1/4 5 5 1/2 6 7 8 9 10 11 12 0.068 0.095
1/4” 0.54 7/8 1 1/2 2 2 1/2 3 3 1/2 4 4 1/4 5 5 1/2 6 7 8 9 10 11 12 0.088 0.119
3/8” 0.675 1 1 1/2 2 2 1/2 3 3 1/2 4 4 1/4 5 5 1/2 6 7 8 9 10 11 12 0.091 0.126
1/2” 0.84 1 1/8 1 1/2 2 2 1/2 3 3 1/2 4 4 1/4 5 5 1/2 6 7 8 9 10 11 12 0.109 0.147
3/4” 1.05 1 3/8 1 1/2 2 2 1/2 3 3 1/2 4 4 1/4 5 5 1/2 6 7 8 9 10 11 12 0.113 0.154
1” 1.315 1 1/2 2 2 1/2 3 3 1/2 4 4 1/4 5 5 1/2 6 7 8 9 10 11 12 0.133 0.179
11/4” 1.66 1 5/8 2 2 1/2 3 3 1/2 4 4 1/4 5 5 1/2 6 7 8 9 10 11 12 0.14 0.191
11/2” 1.9 1 3/4 2 2 1/2 3 3 1/2 4 4 1/4 5 5 1/2 6 7 8 9 10 11 12 0.145 0.2
2” 2.375 2 2 1/2 3 3 1/2 4 4 1/4 5 5 1/2 6 7 8 9 10 11 12 0.154 0.218
21/2” 2.875 2 1/2 3 3 1/2 4 4 1/4 5 5 1/2 6 7 8 9 10 11 12 0.203 0.276
3” 3.5 2 5/8 3 3 1/2 4 4 1/4 5 5 1/2 6 7 8 9 10 11 12 0.216 0.3
4” 4.5 2 7/8 4 4 1/4 5 5 1/2 6 7 8 9 10 11 12 0.237 0.337
5” 5.563 3 4 1/4 5 5 1/2 6 7 8 9 10 11 12 0.258 0.375
6” 6.625 3 1/8 4 1/4 5 5 1/2 6 7 8 9 10 11 12 0.28 0.432
8” 8.625 3 1/2 4 1/4 5 5 1/2 6 7 8 9 10 11 12 0.322 0.5

Noted: Other lengths and size available. Grooved end, SQ end and Bevel end available. Contact us for details.


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