Pumping Speed Chart

Two Stage Vacuum Pumps

cfm	l/m		Alcatel	Balzers	Edwards	Leybold	Stokes	Varian	Welch
1	30		2002B	1.5B		D1.6B		SD 40	1400
2	60				E2M2	D2A			1405
3	90		2004A	004B	RV3			SD 90
4	110		2005C		E2M5/RV5	D4A/B
6	160			008B			005-2		1402
7	190		2010C		E2M8
7	190		2008A		RV8	D8A/B	009-2	SD 200
11	300		2015C		RV12				1376
11	300		2012A	016B	E2M12	D16A/B		SD 300
15	410		2021C		E2M18
16	450		2020A					SD 450
18	500								1397
21	590					D30A/25B	013-2
23	650				E2M30				1374
27	760		2033	030A				SD 700
31	875				E2M40	D40B
35	1000								1375
37	1040					D60A	017-2
50	1420		2063					SD 1400
53	1500			060A		D65B			1398
55	1560					D90A	023-2
57	1610				E2M80
71	2000								1395
90	2550		2100					SD 2500
99	2800								1396

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