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Welch 1397B-46 Duoseal Pump for Refrigeration

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Owner's Manual Welch 1397B-46 Refrigeration Services Vacuum Pump

    Welch 1397B-46 Refrigeration Vacuum Pump is 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.

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

     Welch 1397B-46 Duoseal Pump for Refrigeration

    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)

    Owner's Manual Welch 1397B-46 Refrigeration Services Vacuum Pump

      Welch 1397B-46 Refrigeration Vacuum Pump is 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.

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

       Welch 1397B-46 Duoseal Pump for Refrigeration

      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)

      Brochures

      Accessories

    • Accessory Welch 1407K-25 Pump Oil, 55 Gallons
    • Accessory Welch DuoSeal Vacuum Pump Oil, Liter 1407K-11
    • Accessory Welch 1393H ISO Adapter NW 40 for 1397, 1374
    • Accessory Welch 1393L Hose Adapter 1-5/8 ID
    • Accessory Welch 1417H-01 Replacement Element
    • Accessory Welch 1397K‐07 MINOR REPAIR KIT, for 1397 and 1374 Vacuum Pump
    • Accessory Welch 1397K‐08 MAJOR REPAIR KIT, for 1397 and 1374 Vacuum Pump
    • Accessory Welch 1407K-15 Duo Seal Pump Oil 1 Gallon
    • Accessory Welch 1407K-20 Duo Seal Pump Oil 5 Gallons
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