Nordyne AND M5S Input To Furnace Btu/hr, Cubic Feet Per Hour Required =, Gas Information

GAS INFORMATION

GAS FLOW RATES

TIME FOR	CUBIC FEET PER
		REVOLUTION
ONE REVOLUTION
	OF GAS METER
(SECONDS)
	1		5	10
10	360		1,800	3,600
12	300		1,500	3,000
14	257		12,86	2,571
16	225		1,125	2,250
18	200		1,000	2,000
20	180		900	1,800
22	164		818	1,636
24	150		750	1,500
26	138		692	1,385
28	129		643	1,286
30	120		600	1,200
32	113		563	1,125
34	106		529	1,059
36	100		500	1,000
38	95		474	947
40	90		450	900
42	86		429	857
44	82		409	818
46	78		391	783
48	75		375	750
50	72		360	720
52	69		346	692
54	67		333	667
56	64		321	643
58	62		310	621
60	60		300	600
62	58		290	581
64	56		281	563

GAS FLOW RATES

TIME FOR	CUBIC FEET PER
		REVOLUTION
ONE REVOLUTION
	OF GAS METER
(SECONDS)
	1		5	10
66	55		273	545
68	53		265	529
70	51		257	514
72	50		250	500
74	49		243	486
76	47		237	474
78	46		231	462
80	45		225	450
82	44		220	439
84	43		214	429
86	42		209	419
88	41		205	409
90	40		200	400
92	39		196	391
94	38		191	383
96	38		188	375
98	37		184	367
100	36		180	360
102	35		176	353
104	35		173	346
106	34		170	340
108	33		167	333
110	33		164	327
112	32		161	321
114	32		158	316
116	31		155	310
118	31		153	305
120	30		150	300

Table 13. Gas Flow Rates (Cubic Feet per Hour)

CAPACITY OF BLACK IRON GAS PIPE (CU. FT. PER HOUR)

FOR NATURAL GAS (SPECIFIC GRAVITY - 0.60)

NOMINAL BLACK IRON			LENGTH OF PIPE RUN (FT)
PIPE DIAMETER (IN.)	10	20	30	40	50	60	70	80
½	130	90	75	65	55	50	45	40
¾	280	190	150	130	115	105	95	90
1	520	350	285	245	215	195	180	170
1 ¼	1,050	730	590	500	440	400	370	350
1 ½	1,600	1,100	890	760	670	610

Input To Furnace (Btu/hr)

Cubic Feet Per Hour Required =

Heating Value of Gas (Btu/Cu. Ft.)

NOTE: The cubic feet per hour listed in the table above must be greater than the cubic feet per hour of gas fl ow required by the furnace. To determine the cubic feet per hour of gas fl ow required by the furnace, divide the input rate of the furnace by the heating value (from gas supplier) of the gas.

Table 14. Capacity of Black Iron Gas Pipe (cu. ft. per hour)

for Natural Gas w/ Specific Gravity = 0.60

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