Npt Fittings Chart

See tap drill sizes for npt pipe threads.

Npt fittings chart. Use with air water oil natural gas steam. The taper rate for all npt threads is 1 16 3 4 inch per foot measured by the change of diameter of the pipe thread over distance. The angle between the sides of the thread is 60 deg. 3 8 18 npt.

47 min 0 75 in ft. Pick the right npt national pipe taper fittings with this chart of npt and npsm thread dimensions and pipe sizes both internal and outer measurements. The nominal pipe size number of threads per inch and the thread series symbol in sequence. National standard taper pipe npt threads size chart 1 16 0 3125 27 0 16 0 2611 1 8 0 405 27 0 18 4 2 0 26 1 4 0 54 18 0 2 4 3 0 401 3 8 0 675 18 0 24 4 3 0 408.

National standard taper pipe threads size npt chart includes both external and internal pipe thread data. Unlike the an sizes npt numbers actually correspond with the inside diameter i d of the fitting. Hydraulic hose fittings are very useful when it becomes necessary to connect various conductors such as tubes pipes and hoses in a hydraulic system most of these connections will have a male and female component to accommodate the connection and will assist with the process of containing and directing the flow of fluid. Astm a351 aci grade cf8 304 aci grade cf8m 316 manufacturing facility is iso 9001 2008 certified.

National pipe threads npt are the next most popular thread size used in competition plumbing according to earl s. Pipe fittings meet applicable chemical mechanical properties. National technical standards for screw threads used on threaded pipes and pipe fittings they include both tapered and straight thread series for various purposes including rigidity pressure tight sealing or both. The various types are each named with a symbol and a full.

While also preventing any leakages and maintaining pressure in the lines. Stainless steel pipe fitting castings conform to. American national standard pipe thread standards often called national pipe thread npt standards for short are u s. Male npt identification chart the line drawings below depict the actual sizes of the various common npt thread sizes.

Npt fnpt threads conform to asme b1 20 1. Npt thread taper angle 1 16 taper 1 deg.