Product Name : SPRING RETURN ACTUATOR (Threaded / Socket / Butt Weld)
Product Description

SPRING RETURN (SR) TYPE

Welcome to contact us for the technical data sheet.


Sample Ball Valve: V-3WMH (Product Page)


  • Output Torque: 12 N.M. ~ 15000 N.M.
  • Air Supply Pressure: 2 Bar / 0.2Mpa (30 PSI) ~ 8 Bar /0.8Mpa (120 PSI)
  • Connection: ISO 5211 standard
  • Interface: NAMUR standard VDI/VDE 3845

Selection of pneumatic actuators includes considerations such as ISO mounting pad compatibility, stem dimensions, torque requirements, and safety factors.

Please contact us for assistance in selecting the appropriate actuator models for your application.

  • Singe Acting Actuators (Air-Spring operated)
  • Rack-and-Pinion type Pneumatic Rotary Actuator
  • Actuator Body: Aluminum Alloy (hard anodic oxidation coated)
  • Piston: Die Cast Aluminum (hard anodic oxidation coated)
  • End Cap: Die Cast Aluminum (hard anodic oxidation coated)
  • Output Shaft: JIS-G4051-S45C Steel electroplated (nickel-phosphorus alloy plated)
  • Opening Angle: 90°
  • Operating temperature: -20°C ~ +80°C
  • Two external adjustment bolts enable ±15° adjustment within 0° to 90° for precise actuator-to-valve alignment and stroke limitation.
  • Actuator Body: Stainless Steel (Electroplated Treatment)
  • Material Treatment: Nickel-phosphorus alloy plated
  • Surface Coating: Plating, Epoxy, Plastic, Nylon, PTFE, Teflon spraying
  • Opening Angle: 120° 135° 180°
  • Operating temperature
    • Low temperature: -40°C ~ +80°C
    • High temperature: -15°C ~ +150°C
  • Oil refineries
  • Chemical plants
  • Power plants
  • Water treatment facilities
  • Marine terminals
  • Mining operations
  • Chemical and process industries
  • Food and beverage production
  • Pharmaceutical
  • HVAC systems
  • Automotive industry
  • Aerospace
  • Textile industry
  • Paper and pulp
  • Semiconductor
  • Industrial Automation

Welcome to contact us for the part and material lists of the pneumatic actuator, which include the part name, material, surface treatment, and optional/alternative materials.

  • NAMUR standard VDI/VDE 3845:
    • Interface for Solenoid Valve mounting
    • Connection to Limit Switch Box
  • Functional testing
  • External shell and internal leak testing