4 inch steel pipe coupling, steel pipe socket serve to connect straight pipe to straight pipe often in low-pressure systems. They can be manufactured with many kinds of steel, such as carbon, galvanized, stainless, or black. As such, they can be found in a wide array of set-up for water, oil, gas, air, and more.

Many threaded pipes in use with these kinds of lines come with pipe couplings attached. These pipe couplings help to protect the threading on the pipe from exposure to the elements. When a couplings is not present on a threaded pipe, it must be welded after being threaded to the pipe. The steel used in pipe couplings is therefore specifically designed tube easier to weld than other couplings. Steel couplings are also absent of casting marks, steams, or bends, and so they have a smooth exterior.

At Sanvo Pipes & Fittings we pride ourselves on our superior quality and service. For customers with different manufacturing needs of steel pipe coupling/sockets, we provide carbon steel pipe nipples, black pipe nipples, galvanized pipe nipples, stainless steel pipe nipples, seamless pipe nipples, brass pipe nipples, aluminum pipe nipples, carbon steel pipe sockets and stainless steel pipe couplings. Our pipe nipples and couplings are available in the following size: 1/8 ", 1/4 ", 3/8 ", 1/2 ", 3/4 ", 1 ", 1-1/4", 1-1/2 ", 2 ", 2-1/2 ", 3 ", 4 ", 5", 6 ". All of our steel pipe coupling/sockets are strictly produced by the the standards of DIN, BS, ISO, ANSI, API, and JIS, etc., with excellent quality and thoughtful service. Sanvo is your reliable supplier and trustworthy business partner in China.

SANVO Pipes & Fittings is a professional steel pipe coupling suppliers,we provide internal threaded pipe, steel coupler for sale., If you have any questions about pipe nipples and couplings, we provide a variety of contact information so that you can easily contact us. Please email info@pipenipples.com, or call +86 0317 2021378, or use our simple online quotation form. Our professional team of steel pipe coupling/sockets will contact you as soon as possible.