• Conforms to ISO5211, DIN3337, VDINDE-3854, and NAMUR specifications
• Extruded high-intensity aluminum body with hard anodized coating
• Low friction coefficient for swift performance and long life
• Compact construction with multiple specifications for economic selection
• High-quality bearings for low friction, high cycle life, and quiet operation
• External stroke adjustment bolts for precise ±5° adjustment
• Available in double acting and single acting (Spring-Return) models
• Multi-function indicator with NAMUR for easy accessory mounting
• Pre-compressed load spring for safe mounting and tear down
• Die-casting aluminum pistons and end caps for high intensity and light weight
• Various O-ring materials available for different temperature ranges
• Solenoid valves mount easily without connecting plank

• Widely used in ball valves and butterfly valves
• Low cost, compact design, long working life
• Available in single acting (spring return) or double acting models
• Standard colors: orange, blue, black, dark gray (OEM colors available)
• Working pressure: 0.3~0.8MPa
• Bottom connection: ISO 5211
• Solenoid valve standard: Namur
• Compatible accessories: limit switch box, solenoid valve, positioner

AT series Pneumatic Actuator is made of dual pistons driven by racks and pinions. Available in two models: Dual Acting and Spring Return, suitable for various environments including flammable, corrosive, dusty, strong magnetic field, radiation, and vibration conditions, both indoor and outdoor.

Applications include auto-control in electric power, petrochemical, metallurgy, petroleum, gas, town construction, drainage, chemical industry, oil refining, mining, power plants, architecture, medicine, food, gas, and scientific research.