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Bolt Type Piston Check Valve
Class 150~1500 Bolt Type Piston Check Valve Click for detail
Class 150~1500, Size: NPS 3/8 " ~ 2"
Basic Design: ASME/ANSI B16.34; API 600; API 602
Face to face standard: ANSI16. 10, JIS B2002, ASME/ANSI B16. 5, ASME/ANSI B16. 25
Ends Connection: ANSI B16.11 (SW), ANSI B16.25 (BW), ANSI/ASME B1.20.1(NPT)
Material: A105; F304, F304L, F316, F316L

Flanged End Check Valve
Class 150~1500 Flanged End Check Valve Click for detail
Class 150~1500, Size: NPS 1/2 " ~ 2"
Basic Design: ANSI B16. 34, API 600
Face to face standard: ANSI B16.10, API 6D
Ends Connection: ANSI B16.5(RF), B.W. Ends to ANSI B16.25
Material: A105, F22; F304, F304L, F316, F316L

Swing Check Valve
Class 150~1500 Swing Check Valve Click for detail
Class 150~1500, Size: NPS 1/2 " ~ 36 "
Basic Design: ANSI B16.34, BS 1868
Face to face standard: ANSI B16.10, API 6D
Ends Connection: ANSI B16.5(RF), B.W. Ends to ANSI B16.25
Material: WCB, LCB, WC6, WC9, C12, C5, CF8, CF3, CF3M, and CF8M

Welding Type Piston Check Valve
Class 150~1500 Welding Type Piston Check Valve Click for detail
Class 150~1500, Size: NPS 3/8" ~ 2"
Basic Design: ASME/ANSI B16.34; API 600; API 602
Face to face standard: ANSI16. 10, JIS B2002, ASME/ANSI B16. 5, ASME/ANSI B16. 25
Ends Connection: ANSI B16.11 (SW), ANSI B16.25 (BW), ANSI/ASME B1.20.1(NPT)
Material: LF2, LF3, F304, F304L, F316, F316L

Dual Disc Swing Check Valve
Class 150~300 Dual Disc Swing Check Valve Click for detail
Class 150~1500, Size: NPS 2" ~ 28"
Basic Design: ANSI B16.34,API 6D
Face to face standard: ANSI B16.10, API 6D
Ends Connection: ANSI 150/300, ASA150/300
Material: WCB, LCB, WC6, WC9, C12, C5, CF8, CF3, CF3M, and CF8M

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NVF was found in 1959, we are professional in manufacturing forged steel and cast steel valve, gate valve, globe valve, check valve, ball valve, butterfly valve, plug valve and so on.