Valmet B1 Pneumatic Actuator

Protection Class IP66, Standard Construction, Spring-to-Close Operation, Aluminum Cylinder and EN 1561-GJL-200 Housing, 8/35 (actuator size/shaft bore diameter), Seals and Bearings Designed for Temperatures -40 to +70 °C and long-run. Adjustable travel stops are standard for both the open and closed positions. End of stroke turning angle range is 85° to 95°. Wear Resistant Bearings. High quality bearings provide support on the upper and lower portions of the lever arm to reduce friction and expand the life of both the lever arm and the housing. Corrosion Resistant. Rugged cast iron housing. Emergency Shut-Down (ESD) assure operation in the event of a fire or plant malfunction. The ESD device enables valve operational testing without cycling. Mechanical lock-outs are available to lock the actuator in either the open or closed position, when security considerations are necessary.