Worcester Controls 10-39SW-120A Series 39 Pneumatic Actuator Model 10

The Worcester 10-39SW-120A is a Series 39 spring-return pneumatic actuator designed for automated valve operation. Engineered for durability and performance, it features watertight solenoid housing (Type 4) and is factory-fitted for 120V AC (60 Hz) operation. It is typically used in on/off valve automation for air, water, steam, or process control systems. Technical Specifications Manufacturer: Worcester Controls (a division of Flowserve) Model: 10-39SW-120A Series: 39 Actuator Size: 10 Actuation Type: Pneumatic, Spring Return (fail-safe position) Operating Pressure (Max): 120 PSI Output Torque: Specified at 80 PSI (exact torque varies, typically ~200–300 in-lb depending on spring set) Supply Medium: Filtered, dry compressed air (non-lubricated) Solenoid Type: – Watertight enclosure, NEMA Type 4 – Voltage: 120V AC, 60 Hz – Function: 3-way solenoid controls actuator air supply for open/close operation Porting: Standard NAMUR interface (solenoid to actuator) Temperature Range: -20 °F to +180 °F (material dependent) Mounting: ISO 5211 valve mounting pattern Position Indication: Visual dome indicator Made in USA Materials: – Body: Anodized aluminum – Seals: Buna-N or Viton (variant dependent) – Springs: Coated steel for corrosion resistance Applications: Automated ball or butterfly valve actuation in water treatment, HVAC, chemical processing, and general industry