we don't measure the pressure differential because of the cost to implement the system, ie the plumbing. this is done industrially primarily where the system doesn't have a relief valve, or one is not desired. jonathan On Wed, 23 Mar 2005, Jere Hawn wrote: > HI again, > > In the Navy we use pressure differential across the filter to determine if > it needs to be cleaned or serviced. If my memory is correct if the pressure > from the inlet side of the filter was 10 lbs greater than the outlet side > then the filter needed attention. Why don't we use this? Has anyone heard > of it? Is there any way to tell? > > > > Jere > > > |
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