Butterfly valves may be categorized into different types considering requirements for manufacturing technology, including wafer butterfly valve light-weight butterfly valve, fulllining anti-corrosive butterfly valve, well-sealed three-eccentric butterfly valve with cutting function, and air butterfly valve used for gas control.

 

Parameters

 

Nominal diameter:  40—1000mm,50---600mm

Nominal pressure:  1.0,1.6Mpa

Operating temperature range:  -15℃;—+150℃

Power supply:220V ,380V

or according to the customer’s demands 

Input signal: switching value, 4-20mA

feedback 4-20mA

control accuracy:1%,2.5% 

turning angle: 0-90°  

 

 

 

Features:

1. Simple and compact in structure, rapid open and close with 90 rotation, small

operation torque and that is light and labor-saving.

2. Totally sealed, result of gas leakage test is zero.

3. Various materials applicable for different kinds of medium.

 

Suitable medium: fresh water, sewage,  seawater, air, steam, food, medicine, various kind of oils;acids, alkali and salt.