ALPHAIR pneumatic rotary actuator 90° is designed for 1/4 turned rotation
with single or double effect. Piston bearing made of material with low friction
coefficient to avoid metal to metal contact. Inside surface finish (Ra0.4-0.6µm)
to minimize friction and maximize the life of actuator. The lubrication carried
out by the manufacturer is guaranteed for min. 1,000,000 operations.
External protection of the actuator resist to corrosion of 500 hrs in salty
atmosphere according to ASTM B 117-73. Running test and 100% seal test
carried out with electronic equipment and certification of each individual product.
Standard Of Construction
– l Drilling and centering for fastening of the valve according to ISO 5211/DIN 3337
– l Solenoid connection according to NAMUR. standard
– l Upper shaft end according to VDI/VDE 3845.