China swing check valve

China flanged swing china check valve Working Pressure150LB 600LB Applicable temperature:-29 550C Oil, chemical industry, power station and so on. Medium Water Oil Gas etc API Swing check valve Structure and distinguishing feature 1The selection is elegant,tallies domestic outside is related the standard,the material comprehensive quality is high 2 Seals the vice-pair advanced reasonable, the china strainer, the valve seat packing surface use the iron-base alloy or the department too vertical Satellite cobalt base hard alloy built-up welding surface become,wear-resisting,thermos table, anti-corrosive, the anti-abrasion performance is good, the service life is long 3 standard designs: According to ANSI B16.34.