Welch® ChemStar™ Vacuum Pumps, Model 1402N, AC/DC Input 220 V AC, Gardner Denver Thomas (CAT#: STEM-GLE-0226-LKN)

Welch® ChemStar™ Vacuum Pumps, model 1402N is manufactured by Gardner Denver Thomas. This product is suitable for pumping corrosive gases with high contamination tolerance and high corrosion resistant.

Free Air Displacement: 5.6 cfm (160 L/min).
Max. vacuum: 1 × 10-4 torr.
Oil capacity: 2.25 qt (2.1 L).
Tubing needed: I.D. 13/16 in.
Exhaust and intake thread type: NW 25.
Pumping speed: 525 rpm.
Dim. L × W × H: 19.3 × 14.1 × 15.4 in. (49 × 35.3 × 39.1 cm).
Wt: 112 lb (51 kg).

High pollution resistance: large oil storage can dilute pollutants.

Corrosion resistant parts: Viton, PTFE, stainless steel, nickel plated or anodized parts.
Reduced friction and wear: running at speeds below 580 rpm and direct drive pumps at 1700 rpm.
Nitrogen purging standard: degassing and cooling pump oil to reduce corrosion.
Accessories easy to install: drain valve and oil mist eliminator.