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Welded Neck Flange

Weld-neck flange Weld-neck flange is a kind of flange that butt welds the pipe with the neck. Production Size:1/2"-96" Pressure range:PN16,PN25,PN40,PN64,PN100,PN250 Production Standard:BS,JIS,GOST,ANSI,DIN,GB Main Material of parts: A105,A350-LF2,A182-F5,A182-F11,A182-F304,A182-F304L,A182-F316,A182-F316L,A234-WPB,A420-WPL6,A234-WP12,A234-WP11,A234-WP5,A403-WP304,A430-WP304L,A403-WP316,A403-WP316L The shape of Weld-neck flange isn`t easy to change,The sealing performance of Weld-neck flange is very good.It is wildly applied. Weld-neck flange is suitable for pressure or temperature fluctuations of the pipeline or high temperature and high pressure and low temperature pipeline,generally used for connecting pipes and valves of above 2

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