welch vacuum for sale, brand-new and used.

High Quality 23 Liter Autoclave, Class B Brand:

Duo-Seal 1405 with 1/2 hp GE motor. Powers on, pulls a vacuum and seems to work properly. No other testing has been done.

Welch Dryfast Collegiate Diaphragm Vacuum Pump 2014B-01 (#3) Serial # 0111000000369

Welch model 1402 mechanical vacuum pump rated at 140 litres per minute (approx. 5 cubic feet per minute). Good condition.

This listing is for a vacuum pump by The Welch Scientific Company, model:   1402  ,  Duo Seal .   This pump is from a lab that was closing.  From what I was told, some of their pumps were rebuilt, and sat for years unused.

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For Sale : One Gallon Grade 19 Vacuum Pump Oil This pump oil is a hydrocarbon pump fluid that is double-distilled through molecular distillation. Featuring fantastic resistance to the high temperatures often found in rotary vane pumps. This pump oil is a general purpose fluid and is safe to use in most mechanical rotary vane vacuum pumps.This fluid is comparable to Alcatel A-100, Edwards Super Grade A, Fisherbrand 19, Inland 19, Kinney Super X.

Welch mechanical vacuum pump model 1402 rated at 140 litres per minute (approx 5 cubic feet per minute). Good condition. Excellent vacuum.

Welch 2027 Self-Cleaning Dry Vacuum Pump System