Butterfly valve,Products,Zhejiang Zhengfeng Valve Co., Ltd.

Butterfly valve

Butterfly valve has the characteristics of simple structure, small volume, light weight, material consumption, small installation size, rapid switch, 90° reciprocating rotation, small driving torque, etc. It is used to cut off, connect and adjust the medium in the pipeline. Has good fluid control characteristics and closes sealing performance.Used for various corrosive media, mud, oil, liquid metal and radioactive media. Mainly cut and throttle on the pipeline.

API 609 Butterfly Valve

Nominal Diameter : 2‘’~48‘’
Nominal Preesure : CLASS150LB
Design Standard : API609
Ends Flange dimension : ASME B16.47
Inspection and test : API598
Connection type : Flanged、Wafer、LUG、BW ends etc.
Mainly Material : WCB、CF8、CF8M、CF3、CF3M etc.
Opeartion type : Gearbox、Electric Actuator、Pneumatic Actuator etc

Flanged Butterfly Valve

Nominal Diameter : 2‘’~48‘’
Nominal Preesure : CLASS30LB
Design Standard : API609
Ends Flange dimension : ASME B16.47
Inspection and test : API598
Connection type : Flanged、Wafer、LUG、BW ends etc.
Mainly Material : WCB、CF8、CF8M、CF3、CF3M 、Monel alloy、Aluminum Bronze etc.
Opeartion type : Gearbox、Electric Actuator、Pneumatic Actuator etc

Stainless Steel Butterfly Valve

Nominal Diameter : 2‘’~48‘’
Nominal Preesure : CLASS150LB-600LB
Design Standard : API609
Ends Flange dimension : ASME B16.47
Inspection and test : API598
Connection type : Flanged、Wafer、LUG、BW ends etc.
Mainly Material : WCB、CF8、CF8M、CF3、CF3M 、4A、5A、Aluminum Bronze C95800etc.
Opeartion type : Gearbox、Electric Actuator、Pneumatic Actuator etc

LUG Type Butterfly Valve

Nominal Diameter : 2‘’~48‘’
Nominal Preesure : CLASS150LB-600LB
Design Standard : API609
Ends Flange dimension : ASME B16.5/B16.47
Inspection and test : API598
Connection type : Flanged、Wafer、LUG、BW ends etc.
Mainly Material : WCB、CF8、CF8M、CF3、CF3M 、4A、5A、Aluminum Bronze C95800etc.
Opeartion type : Gearbox、Electric Actuator、Pneumatic Actuator etc

Concentric Butterfly Valve

Nominal Diameter : 2‘’~48‘’
Nominal Preesure : PN16/CLASS150LB
Design Standard : API609
Ends Flange dimension : ASME B16.5/B16.47
Inspection and test : API598
Connection type : Flanged、Wafer、LUG、BW ends etc.
Mainly Material : Ductile Iron、WCB、CF8、CF8M、CF3、CF3M 、C95800etc.
Opeartion type : Gearbox、Electric Actuator、Pneumatic Actuator etc

Triple offset Butterfly Valve

Nominal Diameter : 2‘’~48‘’
Nominal Preesure : CLASS150LB-600LB
Design Standard : API609
Ends Flange dimension : ASME B16.5/B16.47
Inspection and test : API598
Connection type : Flanged、Wafer、LUG ends etc.
Mainly Material : WCB、CF8、CF8M、CF3、CF3M 、4A、5A、C95800、CK3MCUN etc.
Opeartion type : Gearbox、Electric Actuator、Pneumatic Actuator etc

Double Eccentric Butterfly Valve

Nominal Diameter : DN50~DN1300 / 2‘’~48‘’
Nominal Preesure : PN6~PN63 / CLASS150~300LB
Design Standard : EN593 / API609
Ends Flange dimension : EN1092-1 / ASME B16.47
Inspection and test : EN558 / API598
Connection type : Flanged、Wafer、LUG ends.
Mainly Material : WCB、CF8、CF8M、CF3、CF3M etc.
Opeartion type : Bare Shaft、Gearbox、Electric Actuator、Pneumatic Actuator etc

API609 Electric Butterfly Valve

Nominal Diameter : DN80
Nominal Preesure : PN16
Design Standard : EN593
F/F Length Standard : EN558
Ends Flange dimension : EN1092-1
Inspection and test : EN558 / API598
Connection type : LUG type ends.
Mainly Material : ASTM B148-C95800
Opeartion type : Electric actuator operation

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