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

   ... actuate vs. a small subminiature valve used to air pilot. A 10 mm pilot valve can be in the range of 0.5 to 1 watt, where a direct acting ...

2. Leak Rates Explained

   ... to atmosphere from a bubble leak test (the bubble being 2 mm in size, similar to a bubble you would see in a glass of champagne). ... be stated as 0.0002 sccm. And a bubble leak test would take 10 minutes before the first bubble would escape to atmosphere. ...

3. Pneumatics in Small Medical Devices

   ... Rieken says it used to be that miniature valves were 16 mm, and then 10 mm. But now many are 8 mm and there is work on valves in the 4 to 5 mm ...

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