Pipe fittings long barrel nipple

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Description

1. Size: 1/8″-24″

2. Pressure: 150lbs

3. Surface: Pickling treated

4. Aplication: Use for petroleum, chemical, nuclear, power, ship, building, papermaking, gas, medicine, construction industry etc.

Our casting SS304/316 stainless steel screwed fittings could be class 150 & SP-114 type, with  American standard.

We also produce valves & sanitary fittings and quick couplings etc. We have been certified with ISO9001 system.

Standard ASTM A733, DIN2982, BS1387, JIS B2302
Size 1/8″ to 6″
Length Standard or as request
Thickness Standard or as request
Material Carbon steel 20#,Q235,ST 37.2Stainless steel: SS304/304L/316/316L/321
Thread NPT, BSP, EN ISO 228-1
End Single end thread, Both equal thread, Long-short thread,King nipple, Close, and special as customer’s request.
Type of pipe Welding or Seamless pipe
Surface Black, Hot galvanized, Electro galvanized
Packing Cartons with pallet

In plumbing and piping, a nipple is a fitting, consisting of a short piece of pipe, usually provided with a male pipe thread at each end, for connecting two other fittings.
The length of the nipple is usually specified by the overall length with threads. It may have a hexagonal section in the center for wrench to grasp (sometimes referred to as a “hex nipple”), or it may simply be made from a short piece of pipe (sometimes referred to as a “barrel nipple” or “pipe nipple”). A “close nipple” has no unthreaded area; when screwed tightly between two female fittings, very little of the nipple remains exposed. A close nipple can only be unscrewed by gripping one threaded end with a pipe wrench which will damage the threads and necessitate replacing the nipple, or by using a specialty tool known as a nipple wrench (or known as an internal pipe wrench) which grips the inside of the pipe, leaving the threads undamaged. When the ends are of two different sizes it is called a reducer or unequal nipple.
Threads used on nipples are BSP, BSPT, NPT, NPSM and Metric.

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