Spring Return Air Actuator SR145

Stock #: 530197
Series: 5301
List Price: $1590
Price: $1,272.00
Buy 3 or more for $1,144.80 each
Usually Ships: Same Day
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Valworx 530197 rugged rack and pinion air actuators are typically used to operate quarter turn ball valves, butterfly valves, plug valves and dampers. Quick and easy to install with standard ISO5211 valve mounting pad and double square female output drive. Spring return actuators use air pilot pressure to open and mechanical springs to close when the air is exhausted. The pilot air is typically controlled by a 3-way type manual or solenoid valve.

An optional pilot solenoid valve can be mounted directly to the side of the actuator using the standard Namur interface saving time, space and plumbing. The solenoid valve when supplied with the required pilot air pressure will allow electrical operation of the actuator.

Pneumatic Actuator Standard Features
  • Prelubricated and tested to minimum 1 million cycles
  • Rugged rack & pinion design
  • ISO5211 valve mounting pad
  • Multiple precompressed spring cartridges, polyester painted
  • Highly visible valve position indicator
  • Dry or lubricated pilot air
  • Corrosion resistance - 500 hour minimum salt spray test
  • Aluminum body with 50 micron hard anodizing
  • Polyester powder coated aluminum end covers
  • Namur mounting pad for direct mounted solenoid valves
  • VDI/VDE 3845 mounting for top mounted accessories

  • Options (see Accessories tab)
    TypeSpring Return Pneumatic Actuator
    SizeSR145
    Torque1757 inch lbs @ 80 PSI see torque chart (240 Nm @ 6 Bar)
    Rotation90° (quarter turn)
    Pilot MediaFiltered, dry or lubricated compressed air
    Pilot Air Pressure120 PSI max. (8 Bar)
    Pilot Air Connections1/4" NPT
    Pilot Solenoid MountingNamur mounting pad per VDI/VDE 3845
    Valve Mounting ISO5211F10/F12
    Output Drive 27mm female double square
    BodyASTM 6063 extruded aluminum, 50 micron anodizing
    End CoversASTM B179 aluminum, 60-80 micron polyester coating
    ShaftCarbon steel, 20 micron nickel plated
    SealsNBR
    Position IndicatorGlass filled polyamide
    Temperature Range -4 to 180 °F (-20 to 82 °C)
    Rotation Adjustment+/- 5° each direction
    Top Accessory MountingNamur mounting per VDI/VDE 3845
    Enclosure ProtectionIP67 Weatherproof
    Direct Mount Solenoid Valves
    Direct Mount Solenoid Valve 120V 50/60Hz
    Direct Mount Solenoid Valve 120V 50/60Hz Stock #: 529100A
    Usually Ships: Same Day
    Price: $100.80

    Buy 3 or more for $90.72 each

    Quantity :
    Direct Mount Solenoid Valve 24 VDC
    Direct Mount Solenoid Valve 24 VDC Stock #: 529102A
    Usually Ships: Same Day
    Price: $100.80

    Buy 3 or more for $90.72 each

    Quantity :
    ISO DIN Plug with 16ft Cable for Solenoid Valves
    ISO DIN Plug with 16ft Cable for Solenoid Valves Stock #: 588013
    Usually Ships: Same Day
    Price: $27.08

    Buy 10 or more for $24.37 each

    Quantity :
    Limit Switch
    Actuated Valve Limit Switch IP67/NEMA 4X
    Actuated Valve Limit Switch IP67/NEMA 4X Stock #: 529910A
    Usually Ships: Same Day
    Price: $145.60

    Buy 3 or more for $131.04 each

    Quantity :
    Digital Smart Positioner
    Digital Smart Positioner
    Digital Smart Positioner Stock #: 529860
    Usually Ships: Same Day
    Price: $936.40

    Quantity :
    Digital Smart Positioner  w/ Limit Switch
    Digital Smart Positioner w/ Limit Switch Stock #: 529861
    Usually Ships: Same Day
    Price: $1,056.40

    Quantity :
    Electro-Pneumatic Positioner
    Electro-Pneumatic Positioner 4-20mA Input
    Electro-Pneumatic Positioner 4-20mA Input Stock #: 529960A
    Usually Ships: Same Day
    Price: $598.40

    Buy 3 or more for $538.56 each

    Quantity :