Welch

PTFE Dry Pump 2014B-01 Diaphragm pumps work completely without oil which has several advantages for the user: Less maintenance compared to other technologies saves time and money Dry vacuum allows cleaner workplace and environment Uncontaminated pumping of gases results in cleaner samples and no risk of oil back-streaming Manual Product...

Advantages: Less maintenance compared to other technologies saves time and money Dry vacuum allows cleaner workplace and environment Uncontaminated pumping of gases results in cleaner samples and no risk of oil back-streaming Manual Specifications & Description Head Configuration Dual Heads Wetted Parts PTFE, Kalrez® Free-Air Capacity (CFM) 2.5 Free-Air Capacity...

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. Welch 2052B-01 PTFE Dry Chemical Duty Pump Owner's Manual Specifications Electrical requirements 110V...

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 comparable pumps. Slows corrosion. Has...

Product Details High contamination tolerance Ultimate vacuum <0.001 Torr Low RPM for long service life Welch 1400B-01 Owner's Manual Description The Welch 1400B-01 DuoSeal Vacuum Pump is a rugged and robust vacuum pump for applications requiring pressures < 1 Torr. The Welch vacuum pump 1400B-01 achieves < 0.001 Torr with...

Feature All PTFE wetted materials Perfect for high boiling point applications Chemical duty Convenient vacuum control Easy operation and maintenance Suggested Applications Concentrator - Gel Dryer Combination Rotary Evaporator Vacuum Concentrator Vacuum Oven Use DryFast vacuum pumps for precise, convenient solvent evaporations without oil mess. Portable and chemical resistant, DryFast PTFE...

Features One-head WOB-L-style piston pump with intake and exhaust catch jars for use in vacuum or pressure applications with gel dryers, concentrators, and rotary evaporators 46 liter per minute (LPM) free air displacement with vacuum to 60 Torr. Manually adjustable vacuum and pressure levels with gauges Oil-free pump for operation...