STC AT050S 50 mm Bore Pneumatic Actuator for Ball Valves

STC, AT050S, 50 mm Bore Pneumatic Actuator for KS 1/4"- 3/8" NPT Ball Valves

Air Actuator Key Features:

• Full conformance to the specifications of: ISO5211, DIN3337, VDI/VDE3845, Namur.
• The extruded high strength aluminum bodies are precision honed and hard anodized yielding an internal bore surface that can provide low coefficient of friction, smooth performance and a long service life.
• All acting surfaces are fitted with high quality bearings, resulting in low friction, quite and high cycle life.
• The two independent external travel stop adjustment bolts can easily and precisely adjust up to ±5º at both open and closed directions.
• Multifunction position indicator with Namur standard is convenient for mounting accessories.
• Pre-compressed load springs are convenient for safe mounting and disassemble operations.
• Die-casted aluminum pistons and end caps are high strength and light weight. 8. Optional Viton and Silicone seals are available for low and high temperature applications.