Hamworthy Warmwell 120, Инструкция по установке, наладке и обслуживанию

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HAMWORTHY HEATING LTD WARMWELL 500001091/F
For example: - 2 Purewell 120kW Boilers being fed by 65mm NB pipe with 6 elbows between gas meter and
boiler header can have a maximum length of 72m - (6 x 2m) = 60 metres run to achieve a 1mbar loss.
Note! Information above is based on IM/16.
The above table expresses pipe lengths from gas meter to appliance which will produce approx. 1mbar pressure
loss. This table must be used in conjunction with losses of various fittings fitted in the gas line shown below.
Figure 5.3 Gas Flow in Pipes
Total Gas Input
m³/hr
NB 20mm 25mm 40mm 50mm 65mm 80mm 100mm
4.73 10 42 - - - - -
5.92 - 25 180 820 - - -
7.10 - 16 120 540 - - -
8.27 - 11 85 380 - - -
9.44 - - 62 280 900 - -
11.19 - - 42 185 580 - -
12.36 - - 33 145 470 - -
14.1 - - 25 110 345 - -
18.88 - - 12 56 180 - -
22.38 - - - 38 120 750 -
24.72 - - - 30 96 600 -
28.20 - - - 22 72 440 -
33.57 - - - 15 47 290 -
37.08 - - - 11 37 235 -
42.30 - - - - 27 170 810
44.76 - - - - 24 150 730
49.44 - - - - 19 115 570
56.40 - - - - 14 86 430
61.80 - - - - 11 71 340
70.50 - - - - - 51 245
74.16 - - - - - 46 220
84.60 - - - - - 34 165
Maximum length of gas pipe (Metres)
Fitting Type(NB) 20mm 25mm 40mm 50mm 65mm 80mm 100mm
Per elbow 0.5m 0.5m 1.0m 1.5m 2.0m 2.5m 3.5m
Per Tee 0.5m 0.5m 1.0m 1.5m 2.0m 2.5m 3.5m
Per 90°Bend 0.3m 0.3m 0.3m 0.5m 0.5m 1.0m 1.5m
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