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Manufacturing & Processing Machinery > Pipeline Engineering & Equipment
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JS FITTINGS
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Business Type: Manufacturer
Main Products:Seamless Steel Pipe ElbowSeamless Steel Pipe TeeSeamless Steel Pipe ReducerSeamless Steel Pipe CapWeld-neck FlangeSlip-on FlangeThreaded FlangeBlind FlangeLap Joint FlangeSocket Welding Flange
ID:20080716394
Category: Manufacturing & Processing Machinery Pipeline Engineering & Equipment
MOQ:1.00 Piece(s)
Pipe Flangeweld neck flangeWN RTJ FlangeWNRF FlangeASME B 16.5 FlangeA105 pipe flangeclass 150 WN flangeANSI flangeJS FITTINGS flangecarbon steel forged flange
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ASME B 16.5 A105 150lb WN RF flange
JS FITTINGS produce CS forged flange since 1983, welding neck flange from 1/2 to 60 inch.
What is a weld neck(WN) flange?
Weld neck flange (WN flange RF) is the most popular flange type, there is a neck extension with a weld bevel at the end. The WN flange is designed to butt weld to a pipe end directly, to provide a superior and relatively natural form connection. In larger sizes and higher pressure classes, this is almost exclusively the type of flange connection utilized.
The V-type bevel end joints to the pipe end ensure the uniform circular weld, resulting in a unified transition. It allows the pipeline gas or liquids to flow through the flanges by the minimum limit. The welded bevel should be inspected after welding to ensure the seal is uniform and normal.The higher pressure classes almost totally need this type of flanges connection,so the weld neck flanges usually made with sealing face of ring type joint (RTJ). This kind of sealing face allows the metal gaskets impressed in the grooves between two connected flanges,in order to form superior sealing. So welding neck flange with RTJ face is the main choice for pipeline application.
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