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EVP PROPORTIONAL VALVE series (electronic)

This product combines the features of the existing EV series valve – long life, low power, and rugged design and fast response. The EVP Valve series contains a redesign of the heart of the mouse valve in the flexing element of the spider. The spider provides a controlled variable flow rate based upon a change in the electrical current provided to the valve. The EVP Series valve provides control of air or gas flow, and varies the output flow based on the current input to the solenoid which operates the spider. Consistent gain provides a high degree of control for many applications. Control and overall value are some of the main features of the EVP Proportional Valve. The valve may be controlled using DC current, open- or closed-loop control, and PWM (pulse width modulation) to cover a broad range of applications. The EVP series provides a very linear gain rate throughout its flow & pressure variations. Note the variation of +/-10% in hysteresis curve on graph, providing a stable and predictable flow profile.

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Description

HIGH PERFORMANCE

The EVP series provides a very linear gain rate throughout its flow & pressure variations.

Note the variation of +/-10% in hysteresis curve on graph, providing a stable and predictable flow profile.

Clippard EVP series of mouse valves has overcome the 3 challenges of performance in this design:

  • Good flow gain over the entire range of valve flow and pressure range.
  • Good tolerance for maximum flow.
  • A tight hysteresis for good control throughout the range of input to output flow variations. +/- 10%

More Information


Clippard has the broadest product line in the miniature and sub-miniature pneumatic product market with special application to the Bio-Medical industry. Founded by W. L. Clippard, Jr. in 1941, the company started out in manufacturing electronic test equipment. In the 1950’s, Mr. Clippard recognised a need for miniature pneumatic devices in manufacturing and began to produce a small line of component products. The appeal of these products was such that, by the late 1960’s, Clippard Instrument Laboratory was strictly a pneumatic manufacturer. The company has continued to have steady growth through the years with introductions of new and innovative products.
Well known are Clippard, for the original design & manufacture of the famous “Mouse Valve.”

Note: That all products are now available in both Metric & Imperial thread forms.

CLIPPARD HAS ALSO PIONEERED THESE INNOVATIONS

The Modular Valve Series
The Mouse Valve Series
The Stainless Steel Rolled-Construction Cylinder
The Electronic Manifold Card.

Website

http://www.clippard.com/cms/wiki/clippard-evp-series-proportional-valves

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