Electric Butterfly Valve
Stainless steel clamp type hard sealing electric butterfly valve

Stainless steel clamp type hard sealing electric butterfly valve
The electric butterfly valve belongs to electric valves and electric control valves. The main connection methods of the electric butterfly valve are flange type and wafer type; the sealing form of the electric butterfly valve mainly has a rubber seal and metal seal. The electric butterfly valve can control the opening and closing of the butterfly valve disc through the power signal. The electric butterfly valve can be used as the cut-off valve, control valve, and check valve of the pipeline system. With a manual control device, once there is a power failure, it can be temporarily operated manually, not to affect the use.
The working power supply is usually: AC220V,AC380V, etc.Input signal: 4~20mA O-10v andother weak electrical signals. After the electric adjustment actuator and valve stem areconnected and debugged, the electric energy is used as the driving force to drive the hardseal butterfly valve plate for O~90° partial rotary movement.Receive 4~20mA signal fromthe industrial automation control system to precisely control the valve opening degree toachieve the regulation and control of different process parameters such as flow,temperature, and pressure.
1.structure type:
1)center-sealed electric butterfly valve
2)Single eccentric sealed electric butterfly valve
3)Double eccentric sealed electric butterfly valve
4)Three eccentric seal electric butterfly valve
2.sealing surface material type:
1) Soft seal electric butterfly valve
lts sealing vice by a non-metallic soft material to non-metallic soft material compositionand hard metal material to non-metallic soft material composition two.
2) Metal hard seal electric butterfly valve
The sealing side of which is composed of hard metal material to metal hard material.
3.Sealing form type:
1)Forced sealing electric butterfly valve
Also known as resilient seal electric butterfly valve sealing ratio pressure by the valve platesqueeze valve seat when the valve is closed, the seat or plate elasticity generated; externaltorque seal electric butterfly valve, sealing ratio pressure by the torque applied to the valveshaft developed.
2) Pressure filled seal electric butterfly valve
Sealing pressure is generated by the resilient sealing element on the valve seat or plate.
3)Automatic sealing electric butterfly valve
The sealing pressure is generated by the medium pressure automatically.
4.Working pressure type:
1)Vacuum electric butterfly valve
The working pressure is lower than the standard atmospheric pressure electric butterflyvalve.
2) low-pressure electric butterfly valve
The nominal pressure s PN16
3)Medium pressure electric butterfly valve
The nominal pressure of PN25~PN63 electric butterfly valve.
4) High-pressure electric butterfly valve.
The nominal pressure is PN7O0~~PN800 electric butterfly valve.
5.Working temperature type:
1) High-temperature electric butterfly valve. The t>450C electric butterfly valve.
2)Medium temperature electric butterfly valve.120°℃ <t<450°C electric butterfly valve.
3)Normal temperature electric butterfly valve.-29C Kt<120°℃ electric butterfly valve.
4)Low-temperature electric butterfly valve.-100°℃<t<-29℃ electric butterfly valve.
5)Ultra-low temperature electric butterfly valve.The electric butterfly valve for ts-100℃.
6. connection method type:
1)wafer type electric butterfly valve
2)Flange type electric butterfly valve
3)Trunnion type electric butterfly valve
4)welded type electric butterfly valve
Stainless steel clamp type hard sealing electric butterfly valve specification
Nominal diameter: DN50~2000mm,
Nominal pressure: 1.0Mpa, 1.6Mpa, 2.5Mpa, 4.0Mpa, 6.4Mpa,
Connection: clamping connection, flange connection
Valve body form: straight cast butterfly valve
Spool type: butterfly plate type
Flow characteristics: approximate fast opening
Sealing structure: wafer butterfly valve, flange butterfly valve
Seal: Metal hard seal
Sealing ring: body carbon steel, stainless steel manufacturing from grinding
Valve plate quality: Carbon steel (WCB), stainless steel 304, stainless steel 316, etc
Body material: Carbon steel (WCB), stainless steel 304, stainless steel 316, etc
Scope of application: gas, water, steam, oil, corrosive medium, etc
Range of action: 0~90 degrees
Leakage quantity: according to GB/T4213-92, is KV worth 10-4
Applicable temperature: Carbon steel: -30°C~+425°C, stainless steel: -40°C~+450°C,
Actuator: Multi-turn electric mounting, fine small electric mounting, QT intelligent electric mounting (with explosion-proof type and handwheel device)
Power supply voltage: AC220V, AC380V, DC24V
Control form: switching type (two-position switching control), intelligent control type (4-20mA analog signal control)
Ambient temperature: -30°C~+70°C
Product features: wide range of application, can be used in high temperature and high pressure, no friction, corrosion resistance, long service life
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