Classification of butterfly valves

2019-12-19 11:31
24

ONE: According to the connection method


(1) Welded butterfly valve


(2), flange butterfly valve


(3), lug butterfly valve


(4) Wafer type butterfly valve


TWO: Divided by driving method


(1), Electric butterfly valve, also are called Motorized butterfly valve, butterfly valve actuator,electric actuated butterfly valve.

Its motor operated.


(2), Pneumatic butterfly valve, which is pneumatic actuator+butterfly valve


(3), Hydraulic butterfly valve


(4), Manual butterfly valve

IP67 Explosion proof electric quarter turn modulating actutaor butterfly valve.pngpneumatic butterfly valve,pneumatic actuator


THREE: By Sealing material


(1) Soft seated butterfly valve, such as PTFE, EPDM seated.


(2) Metal seated butterfly valve.


Four: According to working pressure


(1) Butterfly valve whose working pressure is lower than the standard atmospheric pressure. Vacuum butterfly valve.


(2) Butterfly valve with pressure PN <1.6MPa. Low pressure butterfly valve.


(3) Butterfly valve with pressure PN of 2.5--6.4MPa. Medium pressure butterfly valve.


(4) Butterfly valve with pressure PN of 10.0-80.0MPa. High pressure butterfly valve.


(5) Butterfly valve with pressure PN> 100MPa. Ultra high pressure butterfly valve.



Five: According to the structural method


(1) Non-accentric butterfly valve


(2) Single-accentric butterfly valve


(3) Double-accentric butterfly valve


(4) Triple-accentric butterfly valve


And butterfly valves can also divided by sealing method,temperature, etc.


https://www.facebook.com/Shenzhen-Torq-Valve-Actuator-Coltd-106959464008215/

pvc butterfly  valve actuator.jpg


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