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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 interests

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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 SIMDOS™ 02 Diaphragm Liquid Dosing Vacuum Pump

Liquid dosing/metering diaphragm pump. Offers wetted material combinations for optimal chemical resistance. Manual control of flow rate and dosing volume with LCD graphic display, also with optional analog and RS-232 control.

Enclosure Rating IP65
Flow Rate 0.03 to 20 mL/min.
Dimensions (L x W x H) 150 x 93 x 144 mm
Voltage 100/240 V
Frequency 50/60 Hz
Maximum Pressure 85 psig
Pump Type Diaphragm Vacuum Pump
107

KNF Neuberger LABOPORT™ SR 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
108

KNF Neuberger SIMDOS™ 10 Diaphragm Liquid Dosing Vacuum Pump

Liquid dosing/metering diaphragm pump. Offers wetted material combinations for optimal chemical resistance. Manual control of flow rate and dosing volume with LCD graphic display, also with optional analog and RS-232 control.

Enclosure Rating IP65
Flow Rate 1 to 100 mL/min.
Dimensions (L x W x H) 150 x 93 x 144 mm
Voltage 100/240 V
Frequency 50/60 Hz
Maximum Pressure 85 psig
Pump Type Diaphragm Vacuum Pump
109

Welch™ CRVpro Direct Drive Rotary Vane Vacuum Pump

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

Pump Type Rotary Vane Vacuum Pump
111

Welch™ Vacuum Filtration Pump

Economical chemical duty vacuum filtration pump for common life science and environmental lab vacuum operations

112

Welch™ Compact Aspiration/Filtration Vacuum Stations: Aspiration/Pressure Transfer Station Model 2511 Series

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

113

Gast™ Oil-Less Diaphragm-Type Pressure/Vacuum Pump

Pressure/vacuum pumps with 1/8hp motor for medium pressure and solid vacuum applications

116

Welch™ Standard Duty WOB-L™ Piston Vacuum Pump: Model 2546

For non-chemical applications

Shipping Weight (Metric) 7.7 kg
For Use With Vacuum filtration, vacuum oven, vacuum chamber/roughing, desiccation, aspiration, automation, cell culture
Overall Width (English) 8.8 in.
Pump Type Vacuum Pump
Overall Height (English) 10 in.
Overall Length (Metric) 25.4 cm
Horsepower 0.25 hp
Voltage 230 V
Model 2546
Weight (English) 13.8 lb.
Overall Length (English) 8.1 in.
Certifications/Compliance CE
Shipping Weight (English) 17 lb.
Maximum Pressure 80 mbar
Overall Height (Metric) 22.9 cm
Weight (Metric) 6.3 kg
117

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
118

Welch™ ChemStar™ 1402N Belt-Drive Vacuum Pump

Designed for pumping corrosive gases below 1 torr

119

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
120

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.