The Welch 2052 is a full chemical-resistant, 4-head, oil-free dry diaphragm vacuum pump with all-PTFE contact surfaces and deep vacuum capability. Oil-Free, portable, full chemical-resistant, means less maintenance and no more frequent and costly oil change, or cross contamination.

Welch 2052B-01 PTFE Dry Chemical Duty Pump Owner's Manual

Specifications

Electrical requirements	110V or 220V 50/60Hz single phase 0.53 HP, 390 watts
Pumping rate	65 Lit/min. (2.3 CFM)
Gasket material	All-PTFE
Ultimate vacuum level	1.5 Torr / 2 mbar
Maximum vacuum	29.9 in. Hg
Inlet/Outlet	1/4" NPT
Adjustable vac./gas ballast	No
Pump dimensions (LxWxH)	9 x 15 x 7 inches
Shipping dimensions (LxWxH)	10.2 x 16.6 x 7.5 inches
Pump weight	40.3 Lb
Shipping weight	50 Lb
Certification	UL, CSA, CE

Welch 2052B-01 Chemical Duty Diaphram Pump, 2.3 CFM, 1.5 Torr, 115 VAC