Check Valve,Products,Zhejiang Zhengfeng Valve Co., Ltd.

Category

CLASS300 Swing Check Valve

Nominal Diameter : 2''-24inch
Nominal Preesure : CLASS150-900LB
Design Standard : BS1868
F/F standard : ASME B16.10
Connection type : Double Flange ends.
Mainly Material : WCB、CF8、CF8M、CF3、CF3M、Duplex Steel etc.
Middle connection : Bolted Bonnet、Pressure seal for high pressure

Dual Plate Check Valve

Nominal Diameter : 2‘’-72‘’(DN50-DN1800)
Nominal Preesure : CLASS150LB、300LB
Design Standard : API594
Inspection and test : API598
Connection type : Wafer、LUG & RTJ ends etc.
Mainly Material : WCB、CF8、CF8M、CF3、CF3M 、C95800etc.

LUG-type Dual Plate Check Valve

Nominal Diameter : 2‘’-40‘'
Nominal Preesure : CLASS150、300、600、900LB
Design Standard : API594
Inspection and test : API598
Connection type : Wafer、LUG & RTJ ends etc.
Mainly Material : WCB、CF8、CF8M、CF3、CF3M 、C95800etc.

Butt Welding Swing Check Valve

Nominal Diameter : 16 inch
Nominal Preesure : CLASS 600LB
Design Standard : BS1868
F/F standard : ASME B16.10
Connection type : Butt welding ends.
Mainly Material : WCB、CF8、CF8M、CF3、CF3M etc.
Middle connection : Bolted Bonnet

Swing type Check Valve

Nominal Diameter : 2‘’~24‘’
Nominal Preesure : CLASS 150LB~300LB
Design Standard : BS1868
Inspection and test : API598
Connection type : Flanged、BW ends etc.
Mainly Material : WCB、CF8、CF8M、CF3、CF3M etc.
Opeartion type : Bolted Bonnet

Wafer Type Check Valve

Nominal Diameter : DN50~DN1200
Nominal Preesure : CLASS150LB~300LB、PN6~PN64
Design Standard : ISO14313/API594
Inspection and test : API598
Connection type : Wafer & R.F ends etc.
Mainly Material : WCB、CF8、CF8M、CF3、CF3M etc.