PB Heat 211A manual Pipe Length 4 Pipe 2 Pipe, Specific Gravity Multiply Capacity by

CONNECT GAS PIPING

Table 7.1: Capacity of Gas Supply Pipe in Cubic Feet (Cubic Meters) Per Hour of Natural Gas for 0.3 inch (75 Pa) Drop.

Pipe Length		1-1/4" Pipe		1-1/2" Pipe		2" Pipe		2-1/2" Pipe		3" Pipe		4" Pipe		6" Pipe
Feet	Meters	Foot3	Meter3	Foot3	Meter3	Foot3	Meter3	Foot3	Meter3	Foot3	Meter3	Foot3	Meter3	Foot3	Meter3
10	3.0	1050	30	1,600	45	3,050	86	4,800	136	8,500	241	17,500	496	44,000	1246
20	6.1	730	21	1,100	31	2,100	59	3,300	93	5,900	167	12,000	340	31,000	878
30	9.1	590	17	890	25	1,650	47	2,700	76	4,700	133	9,700	275	25,000	708
40	12.2	500	14	760	22	1,450	41	2,300	65	4,100	116	8,300	235	22,000	623
50	15.2	440	12	670	19	1,270	36	2,000	57	3,600	102	7,400	210	20,000	566
60	18.3	400	11	610	17	1,150	33	1,850	52	3,250	92	6,800	193	18,000	510
70	21.3	350	10	560	16	1,050	30	1,700	48	3,000	85	6,200	176	17,000	481
90	27.4	320	9	490	14	930	26	1,500	42	2,600	74	5,400	153	15,000	425
100	30.5	305	9	460	13	870	25	1,400	40	2,500	71	5,100	144	14,000	396
150	45.7	250	7	380	11	710	20	1,130	32	2,000	57	4,100	116	11,500	326

Above ratings based on natural gas with specific gravity of 0.60 allowing pressure drop of 0.3 inches (75 Pa). No allowance is needed for pipe fittings. Use the following multipliers on above capacities for specific gravity other than 0.60:

Specific Gravity	0.50	0.55	0.60	0.65	0.70
Multiply Capacity by:	1.10	1.04	1.00	.962	.926

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