Used Lab Equipment

Used Lab Equipment

We typically have used and reconditioned pumps in stock from leading manufacturers like Cole-Palmer and Watson/Marlow.

Vacuum Pump: 1-15 of 266

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Franklin Electric 1091045400 Vacuum PumpImage Coming Soon

Franklin Electric 1091045400 Vacuum Pump

Cambridge ID #: 10962
  • 3/4 HP
  • Max Amb: 40°C
  • RPM: 1725/1425
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    Franklin Electric 1101006419 Vacuum PumpImage Coming Soon

    Franklin Electric 1101006419 Vacuum Pump

    Cambridge ID #: 10963

    Specifications:

    • 50/60 Hz
    • 1/2 hp
    • 115/230 V
    • 7.0/3.5 amps
    • Pumping speed 4 CFM
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    Welch 1400N Vacuum Pump

    Welch 1400N Vacuum Pump

    Cambridge ID #: 14860

    Specifications:

    • Pumping Speed Displacement: 0.9 CFM
    • Hertz: 50/60 Hz
    • Voltage: 115/220
    • Oil capacity: 0.62 qt.
    • Weight: 58 lbs.
    • Dimensions LxWxH: 18x9x13 in.
    • Intake: 3/4-20
    • Outtake: 3/4-20
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    Welch 1402 Vacuum Pump

    Welch 1402 Vacuum Pump

    Cambridge ID #: 11804

    DuoSeal Vacuum Pumps are known for their ruggedness world-wide. These rotary vane pumps have large oil reservoirs to dilute contaminants. Low pump rpm to reduces friction and wear while minimizing reservoir temperature to lessen chemical reactivity. Pump can be ordered with an optional exhaust filter to control oil mist.

    Specifications:

    • Free Air Displacement cfm (l/min.) @60Hz: 5.6(160)
    • Ultimate Pressure: 1 x 10-4(0.00013)
    • Pump RPM: 525
    • Oil Capacity: 2.25(2.1)
    • Motor Horsepower (watts): 1/2(370)
    • Overall Dimensions LxWxH in. (cm):  20x12x15 (51x30.5x60)
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    Welch 1402B-01 Duoseal Vacuum Pump

    Welch 1402B-01 Duoseal Vacuum Pump

    Cambridge ID #: 11271

    DuoSeal Vacuum Pumps are known for their ruggedness world-wide. These rotary vane pumps have large oil reservoirs to dilute contaminants. Low pump rpm to reduces friction and wear while minimizing reservoir temperature to lessen chemical reactivity. Pump can be ordered with an optional exhaust filter to control oil mist.

    Specifications:

    • Free Air Displacement cfm (l/min.) @60Hz: 5.6(160)
    • Ultimate Pressure: 1 x 10-4(0.00013)
    • Pump RPM: 525
    • Oil Capacity: 2.25(2.1)
    • Motor Horsepower (watts): 1/2(370)
    • Overall Dimensions LxWxH in. (cm):  20x12x15 (51x30.5x60)
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    Edwards 18 Vacuum Pump

    Edwards 18 Vacuum Pump

    Cambridge ID #: 19313

    Features:

    The EM range of oil-sealed rotary pumps is renowned for their high ultimate vacuum, rapid pumping speed, quiet operation and the ability to withstand vapour. They are commonly used for laboratory and light industrial applications. It is a freestanding instrument with the drive provided through a flexible coupling by either a single phase or three phase motor.

     

    Specifications:

    • Displacement:

     

                      50Hz: 20.5 m3h-1 /12.1 ft3min-1
                      60Hz: 25.0 m3h-1 /14.7 ft3min-1

     

    • Speed (Pneurop 6602):

     

                       50 Hz: 17.0 m3h-1 /10 ft3min-1
                       60Hz: 20.4 m3h-1 /12.1 ft3min-1

    • Ultimate vacuum (total pressure): 

                       without gas purge: 1 x 10-3 mbar /7.4 x 10-4 Torr
                       with gas purge: 1.5 x 10-1 mbar /1.1 x 10-2 Torr
                       with Fomblin: 1 x 10-2 mbar /7.5 x 10-3 Torr

    • Inlet connection: NW25
    • Outlet connection: Nozzle 15mm external Ø removable from 3/4 in BSP tapped hole
    • Max permitted pressure at outlet: 0.5 bar gauge /7 psig
    • Max inlet pressure for water vapour: 20 mbar / 15 Torr
    • Max water vapour pumping rate: 0.3 kg h-1
    • Operating temp range: 13-40°C
    • Nominal Rotation speed 50/60Hz: 1440 /1720 rpm
    • Power connector 1-ph: IEC EN 60320 C19
    • Motor power 50Hz: 0.55 kW
    • Motor power 60Hz: 0.75 kW
    • Noise at 50Hz: 57 dB(A)
    • Oil capacity max: 1.05 litre
    • Oil capacity min: 0.75 litre
    • Recommended oil: Ultragrade 19
    • Thermal overload device: prevents overheating (single phase only).
    • The drive is provided through a flexible coupling: by a single‑phase or three‑phase (four pole) motor.
    • The motors: are totally enclosed and are cooled by the motor cooling fan.
    • Full height O ring sealed oil sight glass: for easy checking of oil level and condition

     

     

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    Welch 2025 Dry Vacuum PumpImage Coming Soon

    Welch 2025 Dry Vacuum Pump

    Cambridge Scientific ID #'s: 7633, 6352

    Maintains efficiency and extends diaphragm life.

    Specifications:

     

    • Free Air Displacement: 35 L/min
    • Max Pressure: 29.5 Pascal
    • Dimensions: 11.8 L x 8 W x 11 1/2 H (in)
    • Weight: 13.6 kg

     

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    Welch 8920A Vacuum PumpImage Coming Soon

    Welch 8920A Vacuum Pump

    Cambridge ID #: 18943

    Description:

    Refrigeration service pump is designed for removing air and moisture from industrial and commercial chillers. Pump includes a gas ballast valve that inhibits condensation reducing corrosion, an On/Off switch, 3-wire cord, and oil.

    Specifications:

    • Displacement: 7.7 cfm
    • Ultimate Pressure Torr: 3 x 10-4
    • Intake Male SAE Flare: 3/4
    • NPT Inlet: 3/4"
    • Voltage: 115/230
    • Amps AC: 6.8/3.4
    • Dimensions (L x H x W): 20.5” x 10.75” x 7.125”
    • Hz: 60
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    Edwards E1M18 *NEW* Vacuum Pump

    Edwards E1M18 *NEW* Vacuum Pump

    Cambridge ID #: 17437

    Features:

    The EM range of oil-sealed rotary pumps is renowned for their high ultimate vacuum, rapid pumping speed, quiet operation and the ability to withstand vapour. They are commonly used for laboratory and light industrial applications. It is a freestanding instrument with the drive provided through a flexible coupling by either a single phase or three phase motor.

     

    Specifications:

     

    • Displacement:

                         50Hz: 20.5 m3h-1 /12.1 ft3min-1

                         60Hz: 25.0 m3h-1 /14.7 ft3min-1

     

    • Speed (Pneurop 6602):

     

                         50 Hz: 17.0 m3h-1 /10 ft3min-1
                         60Hz: 20.4 m3h-1 /12.1 ft3min-1

     

    • Ultimate vacuum (total pressure):
                 without gas purge: 1 x 10-3 mbar /7.4 x 10-4 Torr
                 with gas purge: 1.5 x 10-1 mbar /1.1 x 10-2 Torr
                 with Fomblin: 1 x 10-2 mbar /7.5 x 10-3 Torr
    • Inlet connection: NW25
    • Outlet connection: Nozzle 15mm external Ø removable from 3/4 in BSP tapped hole
    • Max permitted pressure at outlet: 0.5 bar gauge /7 psig
    • Max inlet pressure for water vapour: 20 mbar / 15 Torr
    • Max water vapour pumping rate: 0.3 kg h-1
    • Operating temp range: 13-40°C
    • Nominal Rotation speed 50/60Hz: 1440 /1720 rpm
    • Power connector 1-ph: IEC EN 60320 C19
    • Motor power 50Hz: 0.55 kW
    • Motor power 60Hz: 0.75 kW
    • Noise at 50Hz: 57 dB(A)
    • Oil capacity max: 1.05 litre
    • Oil capacity min: 0.75 litre
    • Recommended oil: Ultragrade 19
    • Thermal overload device: prevents overheating (single phase only).
    • The drive is provided through a flexible coupling: by a single‑phase or three‑phase (four pole) motor.
    • The motors: are totally enclosed and are cooled by the motor cooling fan.
    • Full height O ring sealed oil sight glass: for easy checking of oil level and condition.

     

     

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    Edwards E2M0.7 *NEW* Vacuum Pump

    Edwards E2M0.7 *NEW* Vacuum Pump

    Cambridge ID #: 17431

    Features:

    The Edwards E2M0.7 is a two stage oil sealed rotary vane pump which has a pressurized oil system that lubricates the pump shaft bearing surfaces and rotor sealing faces. This pump has an oil distribution valve that prevents any oil discharge to the pump interior(suckback) after the pump stops. It is equipped with air-tight pumping chambers, which prevents oil suckback unless the gas ballast valve is open.

     

    Specifications:

     

    • Operating temperature range: 12 - 40°
    • Motor power: 0.09 kW
    • Noise: 43 dB(A) at 50 Hz
    • Noise with acoustic enclosure: 36 dB(A) at 50 Hz
    • Pumping speeds: 0.7 to 1.5 m3h‑1
    • Nominal rotational speed 50/60Hz: 1400/1700 rpm
    • Low energy consumption: 0.09 kW.
    • Oil capacity maximum: 0.28 litre
    • Oil capacity minimum: 0.2 litre
    • Recommended oil: Ultragrade 15
    • Displacement (swept volume) 50Hz: 0.9 m3h-1 / 0.5 ft3min-1
    • Displacement (swept volume) 60Hz: 1.1 m3h-1 / 0.6 ft3min-1
    • Speed (Pneurop 6602) 50 Hz: 0.75 m3h-1 / 0.4 ft3min-1
    • Speed (Pneurop 6602) 60Hz: 0.95 m3h-1 / 0.5 ft3min-1
    • Ultimate vacuum (total pressure)
      without gas ballast: 3.0 x 10-3 mbar / 2.3 x 10-3 Torr
      with full gas ballast: 2.0 x 10-1 mbar / 1.5 x 10-1 Torr
    • Inlet connection: NW10 flange
    • Outlet connection: Nozzle 11 mm external diameter removable from 3/8 inch BSP tapped hole
    • Maximum permitted pressure at outlet: 0.5 bar gauge / 7 psig
    • Maximum inlet pressure for water vapour: 15 mbar / 11 Torr
    • Maximum water vapour pumping rate: 8 gh-1
    • Power connector: IEC EN60320 C13
    • O ring sealed sight glass: allows visual inspection of oil level and condition.
    • Gas ballast valve: for large water vapour handling capacity.
    • Forced air cooling: ensures low pump surface temperature.
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    Edwards E2M1.5 *NEW* Vacuum Pump

    Edwards E2M1.5 *NEW* Vacuum Pump

    Cambridge ID #: 17432

    Features:

    The Edwards E2M1.5 is a two stage oil sealed rotary vane pump which has a pressurized oil system that lubricates the pump shaft bearing surfaces and rotor sealing faces. This pump has an oil distribution valve that prevents any oil discharge to the pump interior(suckback) after the pump stops. It is equipped with air-tight pumping chambers, which prevents oil suckback unless the gas ballast valve is open.

     

    Specifications:

     

    • Operating temperature range: 12 - 40 °C
    • Noise: 54 dB (A) at 50 Hz
    • Noise with acoustic enclosure: 47 dB(A) at 50Hz
    • Oil capacity max: 0.28 litre
    • Oil capacity min: 0.2 litre
    • Power connector: IEC EN 60320 C13
    • Displacement (swept volume):

                    50 Hz: 1.8 m3h-1 / 1 ft3min-1

                    60 Hz: 2.2 m3h-1 / 1.3 ft3min-1

    • Speed (Pneurop 6602):

     

                    50 Hz: 1.6 m3h-1 / 0.8 ft3min-1

                    60 Hz: 2.0 m3h-1 / 1.2 ft3min-1

    • Ultimate vacuum (total pressure):
            without gas ballast: 3 x 10-3 mbar / 2.3 x 10-3 Torr
            with gas ballast: 2.5 x 10-2 mbar / 1.9 x 10-2 Torr
    • Inlet connection: NW10 flange
    • Outlet connection: Nozzle 11 mm external diameter removable from 3/8 inch BSP tapped hole
    • Maximum permitted pressure at outlet: 0.5 bar gauge / 7 psig
    • Maximum inlet pressure for water vapour: 15 mbar / 11 Torr
    • Maximum water vapour pumping rate: 16 gh-1
    • Motor power 50/60 Hz (IP54): 0.16 kW
    • Nominal rotation speed 50/60Hz: 2800/3400 rpm
    • Recommended oil: Ultragrade 15

     

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    Edwards E2M12 Vacuum PumpImage Coming Soon

    Edwards E2M12 Vacuum Pump

    Cambridge ID #: 1567

    Edwards E2M2 rotary vane pumps have a peak pumping velocity of 1.5 cfm and a ultimate pressure of 7.5 x 10-4 Torr. The E2M2 is a dual stage rotary vane mechanical vacuum pump with a 1 phase or 3 phase electrical supply.  It is reliable and operates quietly at 52 dB(A).It has excellent vapor handling capabilities and can be used in many applications.

    Specifications:

    • Nominal Displacement:2 (cfm)
    • Nominal Displacement: 289 (l/m)
    • Stage: 2
    • Motor HP: 3/4
    • Oil Capacity: .6
    • Weight: 26
    • Noise Level: 52

     

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    Edwards E2M18 *NEW* Vacuum Pump

    Edwards E2M18 *NEW* Vacuum Pump

    Cambridge ID #: 17438

    Features:

    The EM range of oil-sealed rotary pumps is renowned for their high ultimate vacuum, rapid pumping speed, quiet operation and the ability to withstand vapour. They are commonly used for laboratory and light industrial applications. It is a freestanding instrument with the drive provided through a flexible coupling by either a single phase or three phase motor.

     

    Specifications:

    • Displacement:

     

                      50Hz: 20.5 m3h-1 /12.1 ft3min-1
                      60Hz: 25.0 m3h-1 /14.7 ft3min-1

     

    • Speed (Pneurop 6602):

     

                       50 Hz: 17.0 m3h-1 /10 ft3min-1
                       60Hz: 20.4 m3h-1 /12.1 ft3min-1

    • Ultimate vacuum (total pressure): 

                       without gas purge: 1 x 10-3 mbar /7.4 x 10-4 Torr
                       with gas purge: 1.5 x 10-1 mbar /1.1 x 10-2 Torr
                       with Fomblin: 1 x 10-2 mbar /7.5 x 10-3 Torr

    • Inlet connection: NW25
    • Outlet connection: Nozzle 15mm external Ø removable from 3/4 in BSP tapped hole
    • Max permitted pressure at outlet: 0.5 bar gauge /7 psig
    • Max inlet pressure for water vapour: 20 mbar / 15 Torr
    • Max water vapour pumping rate: 0.3 kg h-1
    • Operating temp range: 13-40°C
    • Nominal Rotation speed 50/60Hz: 1440 /1720 rpm
    • Power connector 1-ph: IEC EN 60320 C19
    • Motor power 50Hz: 0.55 kW
    • Motor power 60Hz: 0.75 kW
    • Noise at 50Hz: 57 dB(A)
    • Oil capacity max: 1.05 litre
    • Oil capacity min: 0.75 litre
    • Recommended oil: Ultragrade 19
    • Thermal overload device: prevents overheating (single phase only).
    • The drive is provided through a flexible coupling: by a single‑phase or three‑phase (four pole) motor.
    • The motors: are totally enclosed and are cooled by the motor cooling fan.
    • Full height O ring sealed oil sight glass: for easy checking of oil level and condition

     

     

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    Edwards E2M2 Vacuum Pump

    Edwards E2M2 Vacuum Pump

    Cambridge ID #: 15237

    Edwards E2M2 rotary vane pumps have a peak pumping velocity of 1.5 cfm and a ultimate pressure of 7.5 x 10-4 Torr. The E2M2 is a dual stage rotary vane mechanical vacuum pump with a 1 phase or 3 phase electrical supply.  It is reliable and operates quietly at 52 dB(A).It has excellent vapor handling capabilities and can be used in many applications.

    Specifications:

    • Nominal Displacement: 2 (cfm)
    • Nominal Displacement: 57 (l/m)
    • Stage: 2
    • Motor HP: 1/3
    • Oil Capacity: .6
    • Weight: 18.2
    • Noise Level: 52
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    Edwards E2M28 Vacuum Pump

    Edwards E2M28 Vacuum Pump

    Cambridge Scientific ID #'s: 15220, 12174, 16406, 12175, 17184, 13271

    The EM range of oil-sealed rotary pumps - renowned for its high ultimate vacuum, rapid pumping speed, quiet operation and ability to handle vapour - has become the industry standard laboratory and light industrial applications. The E2M28 pump is a two-stage, direct drive, sliding vane pump. The pump is oil sealed and designed for reliable, long-term operation in both laboratory and industrial environments.

    Specifications:

    • Power Requirements: 110V, 50/60Hz, 750/900W, 8.2A
    • Ultimate Vacuum Without Gas Ballast: 75 micron/millitorr
    • Ultimate Vacuum With Gas Ballast:11 micron/millitorr
    • Dimensions:75 x 23 x 11 in
    • Maximum Water Vapor Inlet Pressure:5 torr
    • Maximum Water Vapor Capacity:700 grams/hour
    • Oil Capacity:3L - 1.5 L
    • Nominal Rotation Speed:1400-1720
    • Weight:100 lbs
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