Product  introduction:

Main check valve products:Swing check valve, Lift check valve, Wafer type check valve, Forged steel check valve
Design & manufacture standard: API6D, BS1868, API594(Wafer type)
Face to face dimensions: ANSI/ASME B16.10
Flange connection: ANSI/ASME B16.5 for NPS24, ASME B16.47A/MSS SP-44 for NPS>24.
Butt-welding end dimensions: ANSI/ASME B16.25 Socket-welding dimensions: ANSI/ASME B16.11 Screw ends dimension: ANSI B1.20.1
Inspection & test standard: API6D, API598.
Connection ends:RF, RTJ, BW, SW, Wafer type
Pressure: 150Lb, 300Lb, 600Lb, 900Lb 1500lb 2500lb etc.
Nominal diameters: CAST: 2"~ 60" FORGED: 1/2"~ 2"

Major materials:

CAST:
WCA, WCB, WCC, WC1, WC4, WC6, WC9, C5, C12, CA15, CF8, CF3, CF3M, CF8, CF8M, CN7M, CD4MCU, CK3MCUN, LCA, LCB, LCC, LC3, MonEL 400
FORGED: A105, A106, F1, F2, F11, F22, F5, F9, F6A, F304, F304L, F316, F316L, B473, F50, F44, LF2.LF3