5
Installing the boiler
Logano G234X - Technical specifications are subject to change without prior notice.
19
Length of the pipe
in feet
(1 foot = 0.3 m)
Gas pipe delivery rate in cubic feet of gas per hour
1)
(1 ft
3
/h = 28.3 l/h)
1) Maximum gas pipe delivery rate in cu ft/hr (1 ft
3
/h = 28.3 l/h) based on a gas specific gravity of 0.60 and a gas pressure of 0.5 psi (34.5 mbar)
or less and a pressure drop equivalent to a water column of 0.3 inches (7.6 mm).
1" 1¼ " 1½ " 2" 2½ "
10 520 1060 1600 3050 4800
20 350 730 1100 2100 3300
30 285 590 890 1650 2700
40 245 500 760 1450 2300
50 215 440 670 1270 2000
75 175 360 545 1020 1650
100 160 305 480 870 1400
150 120 250 380 710 1130
Tab. 7 Gas pipe delivery rate
Iron pipe nominal diameter
(in inches)
Equivalent lengths for pipe fittings in feet (1 foot = 0.3 m)
Type of pipe fitting
90° elbow T-piece Shut-off valve Gas shut-off
valve
1 3 5 0.6 1.60
1¼ 4 6 0.8 2.15
1½ 5 7 1.0 2.50
2 7 10 1.3 3.00
2½ 8 12 1.6 3.50
Tab. 8 Equivalent lengths for pipe fittings