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Our AutoSeal Actuators are designed for a wide range of uses, including but not limited to: Process systems for industrial gas, chemical, pharmaceutical, aerospace ground support and marine industry. Tanks, trailers, and ISO transport containers, and anywhere liquids or gases are being used and controlled.

It features a compact, efficient design that provides greater shut-off force and performance than more comparable models, yet economically priced. The 36 and 60 square inch actuators are field reversible, allowing you to use the same parts and quickly change from fail open to fail closed.



  • Fail Closed or Fail Open, Field Reversible

  • Corrosion Resistant Paint with Stainless Steel Bolts & Nyloc Nuts

  • Compact Design

  • Completely Field Serviceable

  • Larger Actuators, Piston Type and Specials on Request


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  • MVP Pneumatic Valve Positioner

  • I/P Positioner and Transducers

  • Integrated Limit Switches

  • Air Filter Regulators

  • Solenoid Valves and Gauges



Operating Ranges:

  • Temperature: -40°F to +180°F (-40°C to +82°C)

  • Operating Pressure: 3-15, 6-30, & 20-60 PSI

Provides Leak Tight Sealing on Valve for Pressures up to 500 PSI under the Valve Seat

Material of Construction:

Diaphragm Housing

  • 36 & 60 sq. in. : Pressed Steel Casing

  • Yoke: Ductile Iron

  • Diaphragm: Buna N and Dacron

  • Diaphragm Bolting: Stainless Steel



  • Actuator Diaphragm: 1,000,000 plus cycles

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  • Pneumatic positioners

  • Positioners with I/P integrated into housing

  • I/P and E/P Transducers

  • Limit Switches integrated into positioners' housing

  • Preset or adjustable regulators, stainless steel optional

  • Single or multi gauge blocks for visual signals

  • Solenoid valves - brass or stainless steel optional

  • LVDT transmitters


Download the Product Sheet!

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