Welch™ ChemStar™ Vacuum Pump

Designed for pumping corrosive gases

Manufacturer:  Welch™ 1402N90

Catalog No. 01-129-88

Description

Corrosion resistant construction of vital parts resists chemical attack.

• High contamination tolerance with diluted contaminants and few moving parts
• Reduced frictional wear (580rpm) for cool operation
• Nitrogen purge to degas and cool oil
• Fluoroelastomer seals and gaskets
• Features metal vanes and stainless-steel valves
• Polytetrafluoroethylene coated oil case
• Features 115V 60Hz, 1ph explosion proof motor
• Free air displacement of 160L/min at 5.6cfm

• Ultimate vacuum, 13.3MPa (1 x 10^-4 torr)
• Features gas ballast with 525rpm pump
• 2.1L oil capacity
• Tubing needed with 13/16 in. I.D.
• ISO exhaust and intake flange is NW 25
• Dimensions: 19.3L x 14.1W x 15.4 in. H (49 x 35.3 x 39.1cm)

Specifications

• Horsepower: 0.5hp
• Motor Speed: 525rpm
• Model: 1402
• Weight (Metric): 51kg
• Frequency: 60Hz
• Overall Height (Metric): 39.1cm
• Overall Length (Metric): 49cm

• Voltage: 115V
• Electrical Requirements: 115V 60Hz
• Weight (English): 112 lb.
• Flow Rate: 160L/min.
• Overall Height (English): 15.4 in.
• Overall Length (English): 19.3 in.
• Overall Width (English): 14.1 in.