ReviewsSight Glass With Drain Port

Robinair (15501) VacuMaster Economy Vacuum Pump - 2-Stage, 118 liters/minute

  • Robinair's VacuMaster Economy Vacuum Pump is designed for air conditioning and refrigeration service.
  • featuring a 2-stage rotary vane design, 7.5 ounce oil capacity, and non-skid feet.
  • 118 liters/minute (5 CFM) free air displacement.
  • 1/3 HP, 220V/50 Hz thermally protected motor for international use.
  • Features an inlet fitting engineered for maximum airflow, while preventing oil backflow, and finned aluminum surfaces that dissipate heat faster, keeping the pump cooler and extending life.
  • 1/4 inch MFL & 1/2 inch ACME inlet fittings, 3/8 inch FFL x 1/2 inch Acme adapter, easy to read sight glass, easy access oil fill port, and angled oil drain valve for faster, more complete draining.
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Robinair (15310) VacuMaster Single Stage Vacuum Pump - Single-Stage, 3 CFM

  • Robinair's VacuMaster Single-Stage Vacuum Pump is designed for air conditioning and refrigeration service.
  • featuring a single stage rotary vane design, 8.5 ounce oil capacity, and non-skid feet.
  • 1/4 HP, 110V/60Hz thermally protected motor.
  • Features an inlet fitting engineered for maximum airflow, while preventing oil backflow, and finned aluminum surfaces that dissipate heat faster, keeping the pump cooler and extending life.
  • 1/4 inch flare and 1/2 inch ACME inlet fittings, easy to read sight glass, easy access oil fill port, and angled oil drain valve for faster, more complete draining of the reservoir.
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Robinair (15115) VacuMaster Single Stage Vacuum Pump - Single-Stage, 1.5 CFM

  • Robinair's VacuMaster Single-Stage Vacuum Pump is designed for air conditioning and refrigeration service.
  • featuring a single stage rotary vane design, 10 ounce oil capacity, and non-skid feet.
  • Features an inlet fitting engineered for maximum airflow, while preventing oil backflow, and finned aluminum surfaces that dissipate heat faster, keeping the pump cooler and extending life.
  • 1/4 inch flare and 1/2 inch ACME inlet fittings, easy to read sight glass, easy access oil fill port, and angled oil drain valve for faster, more complete draining of the reservoir.
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Robinair (15600) CoolTech Vacuum Pump - 2-Stage, 6 CFM

  • Robinair's CoolTech 2-stage rotary vane design vacuum pump features the power and capacity needed for a wide range of service applications as well as robust construction for a long service life.
  • Powerful 1/2 HP, 115V/60Hz thermally protected motor, 6 CFM free air displacement, and factory rated to 15 microns for a fast, thorough evacuation.
  • Offset rotary vanes build powerful compression within the pumping chamber - reducing pressure and vaporizing moisture.
  • durable molded polycarbonate base improves pump balance and minimizes vibration.
  • Iso-Valve isolates pump from system with just a quarter turn.
  • Gas Ballast design mixes moisture laden air passing through pump with relatively dry air so compression doesn't cause condensation.
  • 1/4, 3/8, and 1/2 inch male flare inlet fittings, easy to read sight glass, easy access oil fill port, and angled oil drain valve for faster, more complete draining of the reservoir.
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Robinair (15400) CoolTech Vacuum Pump - 2-Stage, 4 CFM

  • Robinair's CoolTech 2-stage rotary vane design vacuum pump features the power and capacity needed for a wide range of service applications as well as robust construction for a long service life.
  • Powerful 1/2 HP, 115V/60Hz thermally protected motor, 4 CFM free air displacement, and factory rated to 15 microns for a fast, thorough evacuation.
  • Offset rotary vanes build powerful compression within the pumping chamber - reducing pressure and vaporizing moisture.
  • durable molded polycarbonate base improves pump balance and minimizes vibration.
  • Iso-Valve isolates pump from system with just a quarter turn.
  • Gas Ballast design mixes moisture laden air passing through pump with relatively dry air so compression doesn't cause condensation.
  • 1/4 inch and 1/2 inch male flare inlet fittings, easy to read sight glass, easy access oil fill port, and angled oil drain valve for faster, more complete draining of the reservoir.
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Robinair (15120A) CoolTech Vacuum Pump - 2-Stage, 10 CFM

  • Robinair's CoolTech 2-stage rotary vane design vacuum pump features the power and capacity needed for a wide range of service applications as well as robust construction for a long service life.
  • Powerful 1/2 HP, 115V - 60Hz thermally protected motor, 10 CFM free air displacement, and factory rated to 15 microns for a fast, thorough evacuation.
  • Offset rotary vanes build powerful compression within the pumping chamber - reducing pressure and vaporizing moisture.
  • durable molded polycarbonate base improves pump balance and minimizes vibration.
  • Iso-Valve isolates pump from system with just a quarter turn.
  • Gas Ballast design mixes moisture laden air passing through pump with relatively dry air so compression doesn't cause condensation.
  • 1/4, 3/8, and 1/2 inch male flare inlet fittings, easy to read sight glass, easy access oil fill port, and angled oil drain valve for faster, more complete draining of the reservoir.
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4.5CFM Single-Stage Rotary Vane Vacuum Pump 4.5CFM 150 Miron 1/3HP 1/4 Flare 1/2 Acme Inlet for HVAC/Auto AC Refrigerant Recharging Wine Degassing Milking Medical Food Processing etc.

  • Inlet Port: 1/4" Flare, Warm note: 1)Pressure Scale:0~400psi, 0~140psi 2)Length of hose:1.2m Red:1/4''-1/4'' Yellow:1/4''-1/4'' Blue:1/4''-1/4''....
  • High Efficiency and Low Noise, Heavy-duty Aluminum Alloy Casing, Oil Drain Plug Positioned at Bottom of Oil Reservoir,Internal High Volume Cooling Fan....
  • Exhaust Port with Exhaust Cap, Direct Drive Motor Allowing Easy Starting Which is Maintenance Free.
  • Oil Sight Glass For Monitoring Oil Levels, ON/OFF Switch.
  • Non Slip Cushion Handle, Comes With a Bottle of Vacuum Oil.
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Robinair (15401) CoolTech Vacuum Pump - 2-Stage, 93 liters/minute

  • Robinair's CoolTech 2-stage rotary vane design vacuum pump features the power and capacity needed for a wide range of service applications as well as robust construction for a long service life.
  • Powerful 1/3 HP, 115V/220-250V - 60/50Hz thermally protected motor, 94 liters per minute free air displacement, and factory rated to 15 microns for a fast, thorough evacuation.
  • Offset rotary vanes build powerful compression within the pumping chamber - reducing pressure and vaporizing moisture.
  • durable molded polycarbonate base improves pump balance and minimizes vibration.
  • Iso-Valve isolates pump from system with just a quarter turn.
  • Gas Ballast design mixes moisture laden air passing through pump with relatively dry air so compression doesn't cause condensation.
  • 1/4 inch and 1/2 inch male flare inlet fittings, easy to read sight glass, easy access oil fill port, and angled oil drain valve for faster, more complete draining of the reservoir.
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Robinair (15424) CoolTech Vacuum Pump - 2-Stage, 93 liters/minute

  • Robinair's CoolTech 2-stage rotary vane design vacuum pump features the power and capacity needed for a wide range of service applications as well as robust construction for a long service life.
  • Powerful 1/3 HP, 115V/220-250V - 60/50Hz thermally protected motor, 94 liters per minute free air displacement, and factory rated to 20 microns for a fast, thorough evacuation.
  • Offset rotary vanes build powerful compression within the pumping chamber - reducing pressure and vaporizing moisture.
  • durable molded polycarbonate base improves pump balance and minimizes vibration.
  • Iso-Valve isolates pump from system with just a quarter turn.
  • Gas Ballast design mixes moisture laden air passing through pump with relatively dry air so compression doesn't cause condensation.
  • 1/4 inch male flare and 1/2 inch ACME inlet fittings, easy to read sight glass, easy access oil fill port, and angled oil drain valve for faster, more complete draining of the reservoir.
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Robinair (15121A) CoolTech Vacuum Pump - 2-Stage, 236 liters/minute

  • Robinair's CoolTech 2-stage rotary vane design vacuum pump features the power and capacity needed for a wide range of service applications as well as robust construction for a long service life.
  • Powerful 1/2 HP, 115V/220V - 60/50Hz thermally protected motor, 236 liters per minute free air displacement, and factory rated to 15 microns for a fast, thorough evacuation.
  • Offset rotary vanes build powerful compression within the pumping chamber - reducing pressure and vaporizing moisture.
  • durable molded polycarbonate base improves pump balance and minimizes vibration.
  • Iso-Valve isolates pump from system with just a quarter turn.
  • Gas Ballast design mixes moisture laden air passing through pump with relatively dry air so compression doesn't cause condensation.
  • 1/4, 3/8, and 1/2 inch male flare inlet fittings, easy to read sight glass, easy access oil fill port, and angled oil drain valve for faster, more complete draining of the reservoir.
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How to build a HUGE STEEL COCK: The BEST and MOST COMPLETE ENGLISH GUIDE.

  • Robinair's VacuMaster Economy Vacuum Pump is designed for air conditioning and refrigeration service.
  • featuring a 2-stage rotary vane design, 7.5 ounce oil capacity, and non-skid feet.
  • 1/3 HP, 115V/60 Hz thermally protected motor.
  • Features an inlet fitting engineered for maximum airflow, while preventing oil backflow, and finned aluminum surfaces that dissipate heat faster, keeping the pump cooler and extending life.
  • 1/4 inch MFL & 3/8 inch ACME inlet fittings, 3/8 inch FFL x 1/2 inch Acme adapter, easy to read sight glass, easy access oil fill port, and angled oil drain valve for faster, more complete draining.
Check Stock