Beckett CG50, CG25, CG15 Natural Gas Supply Piping Capacity, Propane LP Gas Supply Piping Capacity

Section: Connect Gas Piping

Table 2A - Natural Gas Supply Piping Capacity

Schedule 40 metallic pipe with 0.50 psi or less inlet pressure and 0.30” W.C. pressure drop

Maximum capacity in cubic feet of gas per hour (CFH). Natural gas with 0.60 specific gravity. Pipe size (inches) IPS

Pipe length
(feet)	0.75”	1.0”	1.25”	1.5”	2.0”	2.5”	3.0”	4.0”
10	278	520	1050	1600	3050	4800	8500	17500
20	190	350	730	1100	2100	3300	5900	12000
30	152	285	590	800	1650	2700	4700	9700
40	130	245	500	760	1450	2300	4100	8300
50	115	215	440	670	1270	2000	3600	7400
60	105	195	400	610	1150	1850	3250	6800
70	96	180	370	560	1050	1700	3000	6200
80	90	170	350	530	990	1600	2800	5800
90	84	160	320	490	930	1500	2600	5400
100	79	150	305	460	870	1400	2500	5100
125	72	130	275	410	780	1250	2200	4500
150	64	120	250	380	710	1130	2000	4100
175	59	110	225	350	650	1050	1850	3800
200	55	100	210	320	610	980	1700	3500

Table 2B - Propane (LP) Gas Supply Piping Capacity

Schedule 40 metallic pipe with 11”W.C. inlet pressure and 0.50” W.C. pressure drop

Maximum capacity in thousands of BTU/HR (MBH). LP Gas with 1.53 Specific Gravity. Pipe Size (inches) IPS

Pipe length
(feet)	0.5”	.75”	1.0”	1.25”	1.5”	2.0”	2.5”	3.0”
10	275	567	1,071	2,205	3,307	6,221	10,140	17,990
20	189	393	732	1,496	2.299	4,331	7,046	12,510
30	152	315	590	1,212	1,858	3,465	5,695	10,110
40	129	267	504	1,039	1,559	2,992	4,778	8,481
50	114	237	448	913	1,417	2,646	4,343	7,708
60	103	217	409	834	1,275	2,394	3,908	6,936
80	89	185	346	724	1,086	2,047	3,329	5,908
100	78	162	307	630	976	1,811	2,991	5,309
125	69	146	275	567	866	1,606	2,654	4,711
150	63	132	252	511	787	1,496	2,412	4,281
200	54	112	209	439	665	1,282	2,038	3,618

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