ZSHW/ ZDRW Series of Low Load High-Performance Butterfly Valve: the body and disc are welded by the steel plate. These kinds of high temperature butterfly valves are equipped with rack and pinion type pneumatic actuator or electronic type electric actuator, and it is applicable to low pressure or high-temperature gas.
- Simple in structure, compact and light, easy to operate.
Structure Drawing and Valve Parts
Specification and Technical Parameter
Note：The thickness of flange according to HG/T20592-2009 PN0.25MPa.
Allowable Pressure Difference For Pneumatic Actuator(Double Acting)
Allowable Pressure Difference For Pneumatic Actuator(Single Acting)
Allowable Pressure Difference For Electric Actuator
Dimensions and Weight
Note: All data is based on PN2.5 and the weight is the valve equipped with pneumatic actuator as standards.
DA=Double acting; SA=Single acting.