National Pipe Thread (NPT)
American National Standard Pipe Thread standards, often called national pipe thread standards for short, are U.S. 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 name; examples of the symbols include NPT, NPS, NPTF, NPSC, and others.

 

British Standard Pipe (BSP)
British Standard Pipe (BSP) is a set of technical standards for screw threads that has been adopted internationally for interconnecting and sealing pipes and fittings by mating an external (male) thread with an internal (female) thread. It has been adopted as standard in plumbing and pipe fitting, except in North America, where NPT and related threads are used.

 

Our main products include steel pipe nipples, sockets (black or galvanized, seamless or welded), stainless steel pipe fittings, malleable iron pipe fittings .  we export 90% of our products to Germany, France, Russia, Poland, Lithuania, Israel, the Middle East and South America. With many years’ efforts and support from our valuable customers, these products have obtained a big market share in the world. Our business principle is “Superior Quality, Competitive Price, Timely Delivery and Considerate Service”.