API swing check valve, swing check valve, swing flange check valve, RF Swing check vlave, check valve
1) Pressure**0LB **0LB, 
2) Temperature: **9 **0C 
3) Oil, chemical industry, power station, etc. 
4) Medium: Water, Oil, Gas, etc. 
2. API Swing check valve Structure and distinguishing feature 
3. API Swing check valve 
Type Check valve 
Design Standard APl6DJlS B********4 
Face to face ANSIB*6.*0, JISB***2 
Flange ANSI B*6.5 JISB********4 
Ends ANSlB*6.*5 
Checking APl6 / APl**8, JlSB***3