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1. An Overview of Pneumatic Valves

   ... which is also often referred to as a needle or choke valve. The other type introduces a check valve, which allows free flow in one ... Pneumatic valves are manufactured in various incarnations. Poppet valves are simple, using a spring to push a face of the poppet down on ...

2. Clippard JPC Series Check Valves

   ... Pilot-Operated Check Valves work as a standard check valve, but can be opened with an air pilot signal to permit free flow in the ... means low pressure drop - Uses Clippard's superior poppet design - Variety of port configurations available - ...

3. High Flow in a Miniature Package: Clippard's DV Series

   ... Clippard's entry into the miniature electronic valve market began in 1973, when Leonard Clippard, founder, introduced the EV ... design, compared to the existing EV line, it is still a poppet valve. With a preload of approximately 0.017 in., stroke up to 0.018 ...

4. What Is Hysteresis?

   ... what hysteresis is in relationship to a proportional valve—and it also shows me the potential headaches it can create. The ... me to accomplish an actual amount of power to pull that poppet design off the nozzle to initiate flow. It takes greater force to ...

5. Hysteresis and How it Affects Proportional Valves

   ... For example, consider a standard current driven proportional valve with a nominal hysteresis of 10%. If we apply 0.15 amps to achieve 1.0 ... we are producing an electromagnetic field which forces the poppet to move. It takes a greater force to open the valve than it does to ...

6. Clippard Pneumatic Fill & Bleed Valves Press Release

   ... Instrument Laboratory, Inc., has introduced a special new valve to its Minimatic line of pneumatic components. This new “fill and bleed” toggle valve has two poppet valves connected to a single outlet. The operation is similar to a ...

7. Pneumatics in Small Medical Devices

   ... devices,” says Howe. “The unit uses a proportional servo valve with embedded electronics and software, and it has a very specialized shape to the orifice and poppet - all together these carefully control the air flow.”     ...

8. Clippard Analytical Series Electronic Valves

   ... valving principle. There are no sliding parts. Complete poppet travel is a mere 0.007”. As a result, low power consumption, quiet ... of this design. The Analytical Series Valve (A-) combines the proven features of Clippard’s “Mouse” series with ...

9. Pneumatic Solutions for Digital Mass Flow Controls

   ... advancements in flow and pressure sensors coupled with new valve technologies.   ... Mass Flow Controllers. Due to the valve size and poppet movement, EV/ET series valves flow 17 l/pm at 100 psig. A booster can be ...

10. Clippard Valves Help Make Magic in Two Broadway Hits

    ... propellant. The original prototype utilized an EV valve with #10-32 porting to flow Freon liquid into evacuated bladders that ... to trigger a Clippard MJV-2 Normally-Closed 2-way poppet valve equipped with a Clippard MPA-3 pilot actuator. Since the ...

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