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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.

StandardASTM A733, DIN2982, BS1387, JIS B2302
Size1/8″ to 6″
LengthStandard or as request
ThicknessStandard or as request
MaterialASTM A234WPB304,304L,316,316L,

A403 WP304,A403 WP304L,A403 WP316,A403 WP316L,

A234 WP12,A234 WP11,A234WP5

A420 WPL6,A420 WPL3

A860 WPHY65/60/70/80/42/52

A420 WPL6,A420 WPL3

ThreadNPT, BSP, EN ISO 228-1
EndSingle end thread, Both equal thread, Long-short thread,King nipple, Close, and special as customer’s request.
Type of pipeWelding or Seamless pipe
SurfaceBlack, Hot galvanized, Electro galvanized
PackingCartons 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.