Welch

Product Details Suggested Applications Vacuum Oven The new CRVpro family of direct drive vacuum pumps offers increased reliability and longer service interval vs. other direct drive rotary vane vacuum pumps. The CRVpro family consumes up to 36% less oil than comparable pumps. Three features drive these benefits:  Runs 10°C cooler than...
Product Details High contamination tolerance Ultimate vacuum <0.001 Torr Low RPM for long service life Suggested Applications Rotary Evaporator Vacuum Oven DuoSeal Vacuum Pumps are known for their ruggedness world-wide. These pumps have large oil reservoirs to dilute contaminants. Low pump rpm to reduces friction and wear while minimizing reservoir...
The Welch 2052 is a full chemical-resistant, 4-head, oil-free dry diaphragm vacuum pump with all-PTFE contact surfaces and deep vacuum capability. Oil-Free, portable, full chemical-resistant, means less maintenance and no more frequent and costly oil change, or cross contamination. Specifications  Electrical requirements  110V or 220V 50/60Hz single phase 0.53 HP, 390 watts...
Product Details Chemical Resistant Oil-Free Tuneable Vacuum Suggested Applications Concentrator - Gel Dryer Combination Rotary Evaporator Vacuum Concentrator Vacuum Oven Welch DryFastTM PTFE Diaphragm Vacuum Pumps enable precise vacuum control for organic evaporations with exclusive Advanced Vapor Management (AVM). Oil-Free, portable, chemical resistant, 2 head diaphragm design simplifies maintenance. Choose...
Specifications & DescriptionWetted Parts PTFE, PerfluoroelastomerFree-Air Capacity (CFM)1.2Free-Air Capacity (LPM)34Free-Air Capacity (LPH)2040Max Flow Rate (CFM)0.88Max Flow Rate (Liters/min)25Max Vacuum (in Hg)28.3Max Vacuum (mbar)54.9Max Vacuum (mm Hg)41.2Max Vacuum (torr)41.2Port Size 1/4" hose barbMax Temperature (° F)104Max Temperature (° C)40Duty Cycle ContinuousPower (VAC)115Power (amps)1.25Power (Hz)60Motor Type Permanent split capacitorHeight (in)8.3Length (in)12Height (cm)21.08Length...
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