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It is consist of pneumatic actuators and fluorine lined globe valve, valve switch by actuator gas drive valve stem up and down, to open/close function, they supporting using with solenoid valve, pressure reducing valves (the air dealing parts), accept the 0-20madc voltage control signal, medium in the pipeline could be properly control..Ordering instruction
1. medium temperature
2. the ball valve body material the seat material
3. the nominal diameter DN
4. the nominal pressure PN
5. the valve turn off pressure difference
6. the flange connection standard and the sealing surface type
7. actuator type and function way
8. the solenoid valve voltage or the positioner input signal
9. accessory function (proof rating and level of explosion-proof )
