Buttweld Cap ASME ANSI B16.9

Butt Weld Steel Pipe End Cap Prevents Fluid Leakage

Carbon steel butt weld cap is a commonly used pipe fitting, also known as a pipe cap or end cap. Its main function is to seal the end of the pipe to prevent fluid leakage and external substances from entering the pipe, and ensure the safe operation of the pipeline system. (You can also use a blind plate to close the pipeline; differently, the blind plate is detachable and the welded steel cap is not removable.)
It is usually circular and matches the outer diameter of the pipe. It is connected to the end of the pipe by welding. Due to the strong welding connection, it can withstand high pressure and temperature, and maintain reliable sealing performance.

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We are a butt weld caps manufacturer in China, supplying all schedules in various materials, including carbon steel, stainless steel, and alloy steel. Rayoung produces buttweld pipe caps in ASME, DIN, JIS, and other required standards. And it has excellent corrosion resistance and can resist corrosion media such as oxidation, acidity, alkalinity, and salt solutions.

Material Grades:

Carbon Steel Butt Weld Cap: ASTM A234 WPB, A420 WPL3,WPL6, WPL9,WPHY42, WHPY52, WPHY60, WHPY65, WPHY70.
Stainless Steel Pipe Cap: ASTM A403 WP304/304L, 316/316L, 321, 310S, 317,347
Alloy Steel BW Pipe Cap: ASTM A234 WP1, WP5, WP9, WP11, WP12, WP22, WP91

Butt weld caps can effectively prevent the leakage of media in the pipeline to the external environment. Especially when transporting liquids or gases in the pipeline, the sealing performance of butt weld caps must ensure that the media will not leak accidentally, thereby guaranteeing the safety of the system. It can also effectively prevent external substances such as dust, impurities, and moisture from entering the pipeline, thereby avoiding contamination of the media inside the pipeline. This is very important for applications that require maintaining the purity of the media or avoiding external influences.

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