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20.08.049 <br />G. Deduct Check Valve(s) and Fitting <br />Losses, Sprinkler System Control Valve <br />to Farthest Sprinklers* <br />One Size Equivalent Feet Quantity Description <br />90 degree elbow <br />45 degree elbow <br />Tee <br />Check Valve <br />Valve (----) <br />TOTAL FEET x ._ <br />Two Size <br />90 degree elbow <br />45 degree elbow <br />Tee <br />Check Valve <br />Valve (----) <br />TOTAL FEET x ._ <br />Remaining pressure must be at least 20 psi. *See note next page. <br />TABLE I <br />PRESSURE LOSS <br />IN (PSI) <br />METER (INCHES) <br />1 <br />1'/2 <br />2 <br />PRESSURE LOSS IN WATER METERS <br />Flow in <br />(GPM) <br />18 23 26 31 39 52 <br />2 3 3 4 6 10 <br />** 1 2 2 4 7 <br />** ** ** 1 2 3 <br />*Above the maximum rated flow of commonly available meters <br />**Less than 1 psi <br />(Pleasanton April 2000) ']~0-14 <br />