API flanged Swing check valve,API 150LB swing check valve,API300LB swing check valve,API 600LB swing check valve, API no return valve etc.
1) Pressure150LB 300LB 600LB,
2) Temperature:-29 550C
3) Oil, chemical industry, power station, Etc.
4) Medium: Water, Oil, Gas, etc.
API Swing check valve Structure and distinguishing feature
 1.The selection is elegant, tallies domestic, outside is related the standard, the material comprehensive quality is high.
2 Seals the vice-pair advanced reasonable, the valve petal, 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.
4 May use each kind of tubing flange standard and the flange seal pattern, satisfies each kind of project to need and the user request.