10
Fitting
Nominal Pipe Size
1” 1-1/4”
90° Elbow 2.8 3.8
45° Elbow 1.4 1.9
90° Turn in Tee 5.5 8.0
Run of Tee 1.8 2.5
Gate Valve (Open) 0.7 0.8
Full Port Ball Valve 0.7 0.8
Swing Check Valve 7.0 10.0
Zone Valve (3.5 Cv) Not Recommended
Zone Valve (8.0 Cv) 46.1
Air Scoop 3.0 8.0
TABLE 5.3: EQUIVALENT LENGTHS FOR SELECT VALVES AND FITTINGS
(MAY BE USED FOR COPPER OR THREADED FITTINGS)
FIGURE 5.4: PRIMARY-SECONDARY PIPING OF INDIRECT WATER HEATER
To Next Page
Loading...