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Valves & Actuation
Series 79 Aluminum Actuator

Plastic Pneumatic Actuators

Series 79 SS

Series 79P SS pneumatic actuators have a 316SS housing for chemical resistance and high strength. The actuator functions using a double piston rack and pinion arrangement for a smooth torque profile throughout the actuator stroke. Air to spring models feature pre-loaded springs that safely avoid potential hazards during maintenance. The base of the actuator has an ISO output drive and bolt circle for easy mounting to quarter turn valves. The top of the actuator has a visual position indicator and a NAMUR mounting pad to accommodate mounting accessories. The air ports are ¼" NPT and have a NAMUR bolt pattern to accommodate flush mount solenoids.

Ideal Applications Include:

Chemical Processing, Bleach Plants, Aquariums, Mining, Water Treatment, Landfills, Swimming Pools, Power Plants

Specifications

Torque:

100-3795 i

Materials:

316 Stainless Steel housing and stainless steel hardware

Models:

Air-to-Air
Air-to-Spring (Fail Closed)
Air-to-Spring (Fail Open)

Features/Benefits

  • Actuator body and end caps constructed of 316 SS
  • Double piston, rack and pinion operation
  • Female ISO output drive
  • 80 psi to 120 psi recommended operating pressures
  • Fail positions can be specified for air to spring actuators
  • Visual position indicator
  • -25F – 195F operating temperature range
  • ¼" NPT air connections
  • Safety springs for safe maintenance
  • ISO output drive and bolt pattern for easy mounting
  • NAMUR accessory mounting
  • Output shaft is 316 stainless steel

Options

  • Double limit switch boxes
  • Sizing for lower air supply pressures (down to 60 psi)
  • Pneumatic (3-15psi) positioners
  • Electro-pneumatic positioners (4-20mA)
  • Limit switches and transmitters available for positioners
  • BUS systems
  • Direct mount solenoids in various enclosure type and operating voltages
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