Technical parameters of lug pneumatic butterfly valve
Valve assembly
Design and manufacturing standards
Design and manufacture: GB/T12238-2008
Connection standards: JB/T, 79.1-1994, ASME, B16.10
Structure length: GB/T12221-2005, ASME, B16.5
Pressure test: GB/T13927-2008
Pneumatic actuator
Double acting: ventilation, ventilation, gas failure to maintain the current position
Single action: ventilation, breathe air to open, closed source fault
Single acting air to close off gas and ventilation: open source, open fault
Optional accessories: reversing solenoid valve, limit switch, air filter pressure reducing valve, electrical positioner, hand wheel mechanism, retaining valve
Electrical parts can be selected explosion-proof