24
NEGATIVE PRESSURE P-TRAP
CALCULATIONS:
A= Total Static Pressure (inches wg) + 1 inch wg
B= A * .5
C= A + B + Pipe Diameter (inches) + Insulation (if applicable)
POSITIVE PRESSURE P-TRAP
CALCULATIONS:
D= Minimum 1/2 inch
E= 1/2 inch + Maximum Total Static Pressure
F= D + E + Pipe Diameter (inches) + Insulation (if applicable)
C
(5.25)
2.63
1.50
A
B
TRAP CLEANOUT
F
E
D
.50
TRAP CLEANOUT
