Replacement Parts

TECHNICAL DATA
194
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HYDRONIC SOLUTIONS CATALOG
pressure drops (per 100ft/pipe at °f)
friction of water (smooth wall copper tubing, brass, and plastic pipe)
flow
(gpm)
W" heat-pex® K" heat-pex® X" heat-pex® O" heat-pex®
100° 120° 140° 160° 100° 120° 140° 160° 100° 120° 140° 160° 100° 120° 140° 160°
0.25 1.31 1.28 1.23 1.2 0.31 0.3 0.29 0.28 0.12 0.11 0.1 0.1 0.06 0.06 0.057 0.054
0.5 4.57 4.27 4.12 4.02 1.03 0.99 0.95 0.93 0.39 0.37 0.36 0.35 0.2 0.19 0.19 0.18
0.75 9.43 8.94 8.64 8.43 2.14 2.05 1.98 1.93 0.81 0.77 0.75 0.73 0.42 0.4 0.39 0.38
1 15.7 15.01 14.51 14.15 3.6 3.44 3.33 3.25 1.35 1.29 1.24 1.21 0.69 0.66 0.64 0.62
1.25 23.33 22.3 21.56 20.04 5.37 5.14 4.96 4.84 2.01 1.92 1.86 1.81 1.04 0.99 0.96 0.93
1.5 32.2 30.8 29.77 29.05 7.43 7.1 6.86 6.69 2.78 2.66 2.57 2.5 - - - -
1.75 42.57 40.61 39.26 38.31 9.82 9.34 9.07 8.85 3.67 3.51 3.39 3.31 1.89 1.81 1.74 1.7
W inch
type k tubing type l tubing type m tubing pipe *
.402" inside diameter
.049" wall thickness
.430" inside diameter
.035" wall thickness
.450" inside diameter
.025" wall thickness
.494" inside diameter
.0905" wall thickness
flow
(usgpm)
velocity
(ft./sec.)
head loss
(ft./100ft.)
velocity
(ft./sec.)
head loss
(ft./100ft.)
velocity
(ft./sec.)
head loss
(ft./100ft.)
velocity
(ft./sec.)
head loss
(ft./100ft.)
0.2 0.51 0.55 0.44 0.48 0.4 0.39 0.34 0.26
0.4 1.01 2.15 0.88 1.57 0.81 1.27 0.67 0.82
0.6 1.52 4.29 1.33 3.12 1.21 2.52 1 1.63
0.8 2.02 7.02 1.77 5.11 1.61 4.12 1.34 2.66
1 2.52 10.32 2.2 7.5 2.01 6.05 1.68 3.89
1.5 3.78 20.66 3.3 15.5 3.02 12.21 2.51 7.84
2 5.04 34.48 4.4 20.03 4.02 20.16 3.35 12.94
2.5 6.3 51.03 5.5 37.01 5.03 29.8 4.19 19.11
3 7.55 70.38 6.6 51.02 6.04 41.07 5.02 26.32
3.5 8.82 92.44 7.7 66.98 7.04 53.9 5.86 34.52
4 10.1 117.1 8.8 84.85 8.05 68.26 6.7 43.7
4.5 11.4 144.4 9.9 104.6 9.05 84.11 7.53 53.82
5 12.6 174.3 11 126.1 10.05 101.4 8.36 64.87
notes:
*s.p.s. copper and brass pipe.
No allowance has been made for age, dierence in diameter, or any abnormal condition of the interior surface. Any factor of safety must be estimated from the local
conditions and the requirements of each particular installation. It is recommended that for most commercial design purposes a safety factor of 15 to 20% he added to
the values in the tables.