Utica Boilers UB90-100 インストール手順
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Table 7 – Gas Pipe Sizes
NATURAL GAS
Length of
Pipe - Ft.
Pipe Capacity - BTU Per Hour Input Includes Fittings
1/2”
3/4”
1”
1 1/4”
20
92,000
190,000
350,000
625,000
40
63,000
130,000
245,000
445,000
60
50,000
105,000
195,000
365,000
PROPANE GAS
Length of
Pipe - Ft.
Pipe Capacity - BTU Per Hour Input Includes Fittings
Copper Tubing*
Iron Pipe
5/8”
3/4”
1/2”
3/4”
20
131,000
216,000
189,000
393,000
40
90,000
145,000
129,000
267,000
60
72,000
121,000
103,000
217,000
* Outside diameter
GAS SUPPLY PIPING
Figure 19 - Gas Piping
3” (76mm) MINIMUM
SAFETY RELIEF
VALVE SEE
PAGE 18 FOR
REQUIREMENTS