Masport Vacuum Tank Evacuation Times

Tank Capacity		15"Hg	20"Hg	25"Hg	27"Hg

500 Gallon
	100CFM	0.42	0.70	1.31	2.38
	200CFM	0.21	0.35	0.65	1.15
	300CFM	0.14	0.23	0.43	0.77
	400CFM	0.10	0.17	0.32	0.57
750 Gallon
	100CFM	0.62	1.06	1.97	3.47
	200CFM	0.31	0.53	0.98	1.73
	300CFM	0.20	0.35	0.65	1.16
	400CFM	0.15	0.26	0.49	0.86
1000 Gallon
	100CFM	0.85	1.41	2.63	4.63
	200CFM	0.42	0.70	1.31	2.31
	300CFM	0.28	0.47	0.87	1.53
	400CFM	0.21	0.35	0.65	1.15
2000 Gallon
	100CFM	1.70	2.83	5.26	9.25
	200CFM	0.85	1.41	2.63	4.63
	300CFM	0.56	0.94	1.75	3.08
	400CFM	0.42	0.70	1.31	2.31
3000 Gallon
	100CFM	2.55	4.24	7.89	13.88
	200CFM	1.27	2.12	3.94	6.95
	300CFM	0.85	1.41	2.63	4.63
	400CFM	0.63	1.06	1.97	3.47
4000 Gallon
	100CFM	3.41	5.66	10.53	18.50
	200CFM	1.70	2.83	5.26	9.26
	300CFM	1.13	1.88	3.51	6.18
	400CFM	0.85	1.41	2.63	4.63
5000 Gallon
	100CFM	4.26	7.08	13.16	23.14
	200CFM	2.13	3.54	6.58	11.57
	300CFM	1.42	2.37	4.38	7.71
	400CFM	1.06	1.77	3.29	5.78
6000 Gallon
	100CFM	5.11	8.49	15.79	27.76
	200CFM	2.55	4.24	7.89	13.88
	300CFM	1.70	2.83	5.26	9.25
	400CFM	1.27	2.12	3.94	6.94

Calculations In Minutes

The above tank pump down calculations are based on pumps that have true
100, 200, 300 and 400 CFM ratings at 15"Hg and that have high vacuum
capabilities of more than 27"Hg

100CFM = 170m3/h
100CFM = 2832 LPM

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