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Vacuum Pumps

Electrical pumps that create a partial vacuum for rotary evaporation, concentration, distillation, degassing solutions, gel drying, blotting, freeze-drying; used with small vacuum ovens, filtration flasks, manifolds; motors can be oil-free.
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special offers

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Flow Rate

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Maximum Pressure

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Pump Type

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Max. Vacuum

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Enclosure Rating

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Type

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106 – 120 of 454 results
106

KNF Neuberger LIQUIPORT™ NF300 and NF1.300 Series Diaphragm Liquid Pump
GSA_VA

Chemically resistant liquid transfer diaphragm pump. Offers wetted material combinations for optimal chemical resistance. Manual control of flow rate with LED indicator. For convenient transfer and dosing of neutral or corrosive liquids. Option for analog and impulse control (RC).

Enclosure Rating IP65
Flow Rate 0.5 to 3 L/min.
Voltage 100/230 V
Frequency 50/60 Hz
Pump Type Diaphragm Vacuum Pump
107

KNF Neuberger LABOPORT™ SC Vacuum Diaphragm Pump System

Chemically-resistant vacuum pump system comprising of a diaphragm vacuum pump, base plate, separator on suction side, high performance condenser on pressure side and vacuum controller. Ideal for rotary evaporation and other applications where control of vacuum level is important.

Enclosure Rating IP30
Electrical Requirements 100-240 V, 50/60 Hz
Applications Rotary Evaporation, Distillation
Voltage 100/240 V
Maximum Pressure 0.1 bar
Max. Vacuum 4.5 torr
Pump Type Vacuum System
108

KNF Neuberger LABOPORT™ SH Vacuum Diaphragm Pump System

Chemically-resistant vacuum pump system comprising of a diaphragm vacuum pump, base plate and two separator flasks on suction and pressure side. Based on the high level of vapor and condensate compatibility the system is perfectly suited for extremely aggressive / corrosive gases and vapors.

Enclosure Rating IP30
Electrical Requirements 100-240 V, 50/60 Hz
Applications Rotary Evaporation, Distillation
Voltage 100/240 V
Maximum Pressure 0.1 bar
Max. Vacuum 4.5 torr
Pump Type Vacuum System
109

Welch™ Gemini™ Dry Vacuum Pump: Model 2060

Economica, go-anywherel pumps with advanced chemical resistance

Shipping Weight (Metric) 5.9 kg
Overall Width (English) 7.25 in.
Includes AC/DC adapter, regulator and dial vacuum gauge
Flow Rate 13 L/min.
Overall Height (English) 8.5 in.
Overall Length (Metric) 23.5 cm
Horsepower 0.008 hp
Model 2060
Weight (English) 11 lb.
Overall Length (English) 9.25 in.
Shipping Weight (English) 13 lb.
Maximum Pressure 266 mbar
Overall Height (Metric) 21.6 cm
Weight (Metric) 4.98 kg
110

Welch™ ChemStar™ 1402N Belt-Drive Vacuum Pump

Designed for pumping corrosive gases below 1 torr

111

Welch™ CRVpro4 Direct Drive Rotary Vane Vacuum Pump

Offers increased reliability and longer service interval than direct drive rotary vane vacuum pumps

Noise Level 50 dB
Motor Speed 1450 rpm at 50 Hz; 1740 rpm at 60 Hz
Dimensions (L x W x H) 46.3 x 15.7 x 23.0 cm (18.2 x 6.1 x 9.1 in.)
Motor Type IP44
Air Displacement 67 L/min. at 50 Hz; 78 L/min. at 60 Hz
Model CRVpro4
Frequency 60 Hz
Weight (English) 46.3 lb.
Certifications/Compliance cUL and CE
Product Line Vacuum Pump
Weight (Metric) 21 kg
112

Welch™ CRVpro8 Chem Pump

Provides reduced risk of chemical attacks and oil breakdown by diluting chemical vapors with a larger oil chamber, slowing down corrosion by cool running operation.

115

Welch™ Compact Aspiration/Filtration Vacuum Stations: Pipette, Receiver Kit and Filter

Accumulate waste liquids safe and easily. Aspiration systems prevent ingestion of fluids leading to vacuum pump failure.

For Use With Welch Compact Aspiration/Fitlration Vacuum Station
117

Welch Ilmvac™ DryFast™ Vacuum Pump

Use these pumps for applications generating harsh chemical vapors. Welch Ilmvac™ DryFast™ Pumps are constructed with PTFE heads, perfluoroelastomer valves, and a PTFE coated, molded diaphragm for maximum chemical resistance.

118

Welch™ ChemStar™ 1400N Belt-Drive Vacuum Pump

Designed for pumping corrosive gases below 1 torr

119

Welch™ CRVpro6 Direct Drive Rotary Vane Vacuum Pump

Offers increased reliability and longer service interval than direct drive rotary vane vacuum pumps

Noise Level 50 dB
Motor Speed 1450 rpm at 50 Hz; 1740 rpm at 60 Hz
Dimensions (L x W x H) 46.3 x 15.7 x 23.0 cm (18.2 x 6.1 x 9.1 in.)
Motor Type IP44
Air Displacement 100 L/min. at 50 Hz, 118 L/min. at 60 Hz
Model CRVpro6
Frequency 60 Hz
Weight (English) 48.5 lb.
Certifications/Compliance cUL and CE
Product Line Vacuum Pump
Weight (Metric) 22 kg