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 × 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)

Note: This is an explosion proof model that must be hardwired. It doesn't have a power cord or plug.

Specifications

• Horsepower: 0.5 hp
• Model: 1402
• Weight (Metric): 51 kg
• Frequency: 60 Hz
• Overall Height (Metric): 39.1 cm
• Overall Length (Metric): 49 cm
• Voltage: 115 V

• Motor Speed: 525 rpm
• Weight (English): 112 lb.
• Flow Rate: 160 L/min.
• Overall Height (English): 15.4 in.
• Overall Length (English): 19.3 in.
• Overall Width (English): 14.1 in.