Thread: Hydraulic Valve
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Old 11-05-2012, 07:38 PM
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It's easy to forget that pressure and force are two different things.

One example of a valve that absolutely depends on the diaphragm being the spring force is the Greenlawn angle valve, with its thick urethane diaphragm. Also, the infamous Toro Flo-Pro valve began its unhappy existence without a diaphragm spring, only to see one a few years later.
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