3 position pneumatic actuator is an actuator of special specification, which can provide 0°-180° three-position operation modes.The intermidiate position is operated through mechanical braking of two auxiliary pistons’ movement.The middle position is adjustable, such as the actuator of 90° angular stroke can provide 20°, 30°, 50°, 70° and other intermediate positions.
2. Product Parameter (Specification)
Application:Ball valve, butterfly valve, plug valve and other valv
Cylinder body material:Aluminum alloy (surface coating: hard anodized)
End cover material:Die-casting aluminum alloy (surface coating: powder spraying)
Air source control:Through filtered compressed air, no need lubricate oil,the oil must suit for NBR under lubricated condition.
Applicable ambient temperature:Standard
Low temperature -40℃~80℃
High temperature -15℃~120℃
Flange standard:ISO 5211 / DIN3337
Service life:Maintenance-free and low friction , switch service life more than 1 million times.
3.Product Features
3 position pneumatic actuator have the below characteristics:
●Structure : compact rack and pinion pneumatic actuator.
●Used for angular stroke valves, ball valves, butterfly valves and plug valves other valves.
●Mounting flange in accordance to DIN/ISO5211,control valve with NAMUR standard.
●High quality aluminum alloy material, surface coating by hard anodized , hard nodized+Teflon and other options for special demands and requirements .
●Certificate obtained: ATEX, CE, SIL3, ISO9001:2015 certificate.