Piston Check Valve:

1. Design Standard: API 602 / ANSI B 16.34

2. Face to Face Dimension: ANSI B 16.10

3. Connection Type: Threaded End NPT/BSPT, Socket Weld End ANSI B 16.11

4. Structures: Lift/Piston Type, Swing Type

5. Body Material: A105, A105N, F11, F22, F304, F316 ...

6. Size: 1/2", 3/4", 1", 1-1/4", 1-1/2", 2"

7. Test Standard: API 598