Quote:
Originally Posted by mikeyfev1
If we assume an atmospheric pressure of 14.7 psi and we apply a 20 psi vacuum to the unlock side of the unit, there there will be about 34.7 psi of pressure forcing the diaphragm to the unlock side on the unit.
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You cannot have 20 psi of vacuum in a 14.7 psi atmosphere. Maybe you are thinking of 20 in Hg vacuum, which is approx 9.8 psi (differential.)
Quote:
Originally Posted by Fattyman
yes but the pressure differential would be 5.3 psi, not 34.7.
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You might want to put a little more thought into that concept.