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Welch DUOSEAL Two Stage - Refrigeration 1397B-46

  • Welch DUOSEAL Two Stage - Refrigeration 1397B-46
225.00 LBS
Calculated at checkout

Product Description

Welch DUOSEAL Two Stage - Refrigeration 1397B-46



  • Deep vacuum for fast evacuation and dehydration
  • Durable pump, precision machined
  • Gas ballast for high vapor loads.

Rugged DuoSeal belt-drive vacuum pumps enable fast, thorough evacuation of refrigeration systems. Features high flow and deep vacuum with low pump RPM and large oil reservoirs for extended life and reduced maintenance. Includes handles for enable positioning.


Applications Service Lithium Bromide absorption chillers to 1500 tons, fluorcarbon or ammonia chillers to 1000 tons
Type DUOSEAL Two Stage - Refrigeration
Free Air Displacement m3/hr (l/min.) @50Hz 17.7(500 l/min)
Ultimate Pressure 0.001 Torr
Maximum Vacuum 1 x 10-4 (1.3 x 10-4)
Oil Capacity, qt.(liters) 1.25(1.2)
Motor Horsepower (watts) 1(750)
Adjustable Vac. / Gas Ballast Yes
Tubing Needed Yes
Intake Thread NPT 1.75-20
Exhaust, Thread Type 1.75-20
Overall Dimensions LxWxH in. (cm) 26x13.7x18.8 (66x34.8x47.6)
Ship Weight, lbs. (kg) 213(96.8)



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