 |
20 series aluminum manual gear box applies to 90°rotary type butterfly valve, ball valve and plug valve etc. With electrostatic coating on the surface, the aluminum alloy housing is pleasing in appearance and highly corrosion-resistant and wear-proof. |
|
 |
GD series declutch override gear box is designed to adapt to butterfly, ball valve and pneumatic actuator. The design conforms to 5211 standard, so it can achieve valve open/close control under circumstance of power and air supply failure. It can be directly connected with valve and pneumatic actuator and is easily for mounting. |
|
|
