Looking for inexpensive plastic butterfly/gate low pressure valve with low actuation force?
I need to find a valve, or some technique to heavily constrict the
flow of water in a 4cm pipe. Pressure is low coming from a 2m cistern head above. I have been searching in vain for a very cheap PVC butterfly valve with poor closed sealing characteristics, but with no luck. I did have a little more success with gate valves like this one (http://www.valterra.com/Ind/Gate.htm) but as I need to actuate the valve from a small motorised actuator I am concerned about the force required to open/close the gate. I am open to any valve technique provided it costs well under ten pounds in quantity. Does anyone have any suggestions as to where I might find a very inexpensive plastic valve for this project? |
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