|
|
Electric adjustable ventilation butterfly valve The seal ring of ventilation butterfly valve is made by the same material of valve body, its suitable temperature shall be determined according to selected material of the valve body, meanwhile, it has the features of fast opening and closing, easy operation, save labour, flexible and light weight. So, it is generally used for ventilating and controlling the media flow in pipelines of metallurgy industry, environmental protection and other industries.   
|
Main Technical Parameters
|
Nominal diameters DN(mm) |
50~4600 |
||
|
Nominal pressure PN (MPa) |
0.1~0.6 |
||
|
Materials of valve body |
Q235-A |
Q345 |
1Cr18Ni9 |
|
Materials of valve plate |
Q235-A |
Q345 |
1Cr18Ni9 |
|
Operating temperature t (℃) |
-40~345 |
-40~345 |
-40~600 |
|
Suitable media |
Dusty gas, smoke gas, hot air, coal gas, etc. |
||
|
Connection type |
Flange type |
||
|
Corner of valve plate |
0~90° adjustable |
||
|
Allowable leakage rate |
≤1%~3% |
||
|
※ Optional electric actuators |
Integral type, switching value, remote control type, explosion-proof type, integral adjustable type, split control type, etc. (Please refer to the information of actuator for specific option) |
||
|
※ Voltage of power supply |
Domestic Standard: 220V +10-15% ~ 380V +10-10% (50Hz ± 1Hz, linear power supply) Exported product can be customized: 110V ~ 480V (50Hz ~ 60Hz) |
||
|
※ Level of protection |
IP55～IP68 |
||
|
※ Explosion-proof mark |
Exd II BT4 |
||
|
Operation environment |
Environmental temperature -10 ~ 70℃Humidity ≤ 95% No condensation Avoid corrosive gases in the air | ||
※ some products can be selected according to conditions on site, if have any doubt, please contact our company.