WN / Weld Neck Pipe Flange

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The weld neck pipe flange is a kind of pipe fitting with a short neck welded to a short section of pipe, and attaches to the pipe by butt welding the pipe to its neck. It shows terrific deformation resistance and sealing property, thus it is suitable to be used onto the pipeline with drastic pressure or temperature fluctuation inside, and the high pressure pipe with extremely high or low temperature inside, as well as the conveyance pipeline of expensive or combustive fluid media. Our weld neck pipe flange is made of high grade stainless steel, and features the nice and smooth appearance, good acid, alkali resistance and anti-oxidation.

Technical Parameters
Nominal diameter 3/8"~60" (DN10~DN1500)
Nominal pressure CLASS150~CLASS2500 (US)
PN6~PN100 (EU)
Production standards GB/T9112-2000
GB/T9115.1-2000
GB/T9115.2-2000
GB/T9115.3-2000
GB/T9115.4-2000
GB/T9124-2000
GB/T13402-1992
SH/T3406-1996
JB/T74-1994
JB/T75-1994
JB/T82.1-1994
JB/T82.2-1994
JB/T82.3-1994
JB/T82.4-1994
HG/T20592-2009
HG/T20614-2009
HG/T20615-2009
HG/T20623-2009
HG/T20635-2009
ASME B16.5-2009
ASME B16.47-2006
API605-1988
MSS SP 44-2006
EN1092-1-2007
EN1759-1-2004
DIN2630 DIN2631 DIN2632 DIN2633 DIN2634 DIN2635 DIN2636 DIN2637 DIN2638
BS1560-3.1-1989
BS4504-3.1-1989
AS2129-2000
JIS B2220-2004

Structural Diagram

Our company is a specialized WN / weld neck pipe flange manufacturer and supplier in China. We offer a broad range of products, including TH / threaded pipe flange, BL / blind flange, PL /plate weld flange, etc.

Related Names: Weld Neck Flange | WN Pipe Flange | Long Weld Neck Flange | Hubbed Flange

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