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1. What Does Hit & Hold Mean?

   ... What does hit and hold mean in regards to an electronic valve? And what are the benefits? Check out this quick video to learn more. ... What does hit and hold mean in regards to an electronic valve? The general principal behind a hit and hold circuit is that the valve is ...

2. Coming Soon! High Volume Cordis Pressure Controller

   ... Valve Type   Normally-closed ...   32 to 120˚F (proportional valve) ...

3. The Pros and Cons of Air-Piloted Pinch Valves vs. Direct Acting Pinch Valves

   ... The first factor in choosing between an air-piloted pinch valve or a direct acting pinch valve is the availability of compressed air in your system. Let’s talk about ...

4. 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 ... valves is primarily magnetic. When we supply current to the valve's coil, we are producing an electromagnetic field which forces the poppet ...

5. Special Materials for Demanding Applications

   ... The most common reason to change materials in a valve is chemical compatibility. For example, a valve controlling the flow of acetone will have a short life if equipped with ...

6. Automation on a Budget

   ... cylinders to repeatedly start and stop flow. Control valve s regulate airflow and actuation rate, running the test as fast as ...

7. 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 ... a Clippard MJV-2 Normally-Closed 2-way poppet valve equipped with a Clippard MPA-3 pilot actuator. Since the ...

8. What You Need to Know About CV

   ... gravity of the fluid, and P is the pressure drop across the valve (psi). Because air is compressible, CV must have additional ... cubic feet per hour), ΔP is the pressure drop across the valve (psi), P1 is the inlet pressure (psia), P2 is the outlet pressure (psia), ...

9. Air Pilot Actuator Selection

   ... Minimum Pilot Pressure Required to Shift Valve Clippard Valve Series MPA-3 MPA-5 ...

10. 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 ...     “Using a very smooth and fast valve, we are able to replicate the heartbeat of the host animal rather than ...

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