Pneumatic Valve Actuators Hayward Series PMD/PMS


Hayward, Industrial, Flow Control Systems

Pneumatic Valve Actuators, Hayward, Series, PMD, PMSCorrosion Resistant: Hayward PMD and PMD pneumatic valve actuators feature heavy-duty, corrosion resistant construction. These actuators are designed to stand up to most corrosive environments and other harsh conditions without the need for epoxy coatings.

Two Modes of Operation: Series PMD pneumatic valve actuators are air-to-air (double acting), while the PMS Series are air-to-spring (fail safe) actuators. Air-to-air pneumatic valve actuators require air pressure for both actuation cycles, open and close. Air-to-spring pneumatic valve actuators have a mechanical spring return unit enclosed in the actuator housing that is used to operate one of the actuation cycles, either open or close. Both types work with all True Union and Three-way Ball Valves up to 2" in size.

Rugged Design: The pneumatic valve actuators feature a proven, heavy-duty rack and pinion design that is extremely reliable. The actuators require no maintenance. The internal lubrication lasts indefinitely, even in applications where the actuator is cycled frequently.

Modular Mounting Options: These pneumatic valve actuators feature a Namur style modular mounting system for options. Options mount separately to the actuator, they are not built in or enclosed in the housing. This makes it very easy to add options to the actuator after it has been installed into the system should the need ever arise due to changes in application parameters. You never have to pay for an options package with features you may, or may not, use.

Manual Override Standard: Both types of pneumatic valve actuators feature a standard manual override and can be operated manually in the event of air or electrical failure. This means that the valve can be manually opened or closed without having to remove the actuator from the valve for access to the valve stem.

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Features

Options

  • Plastic Housing

  • Two Piston Rack & Pinion Design

  • Manual Override

  • Position Indicator

  • Light weight

  • Permanent Lubrication

  • Stainless Steel Output Shaft

  • Namur-Style Mounting

  • Two Year Warranty

  • Air-to-Spring Fail-Safe Operation

  • Solenoid valves

  • Voltage Options

  • Cycle speed controls

 


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