Welch Direct Drive Vacuum Pump

The welch 8920a direct drive vacuum pump is a robust vacuum pump for applications requiring pressures 1 torr.

Welch direct drive vacuum pump.

Vacuum system configuration with a cold trap is recommended for use with harsh chemicals. Chemstar belt driven vacuum pumps are designed to tolerate harsh chemical contamination. Direct drive pumps are not. The new crvpro family of direct drive vacuum pumps offers increased reliability and longer service interval vs.

Applied vacuum technology for laboratory and industry welch is a leading pump manufacturer of high quality durable vacuum products. Oil diffusion pumps from welch are used to generate a high and ultra high vacuum up to a pressure range of 5x10 7 mbar with an extremely high pumping speed. That s why vital pump parts are corrosion resistant. The new crvpro family of direct drive vacuum pumps offers increased reliability and longer service interval vs.

The 8920a achieves 0 001 torr with a pumping speed of 218 liters min 7 7 cfm. Other direct drive rotary vane vacuum pumps. This premium direct drive vacuum pump oil from welch is perfect for low vapor pressure and has excellent thermal resistance. Our extensive portfolio includes diaphragm pumps rotary vane pumps piston pumps and turbomolecular pumps and systems in addition to a wide range of accessories.

Welch s belt driven vacuum pumps are available with an ultimate pressure of 1x10 4 mbar with a comprehensive pumping speed ranging between 1 3 m h and 15 m h. Runs 10 c cooler than comparable pumps. Besides single pumps welch also offers complete oil diffusion pump systems. Designed for direct drive vacuum pumps this triple distilled hydrocarbon oil is derived from hydrotreated base stock for high performance in vacuum pump operation at elevated temperatures.

The crvpro family consumes up to 36 less oil than comparable pumps. Three features drive these benefits. Other direct drive rotary vane vacuum pumps. These compact portable oil seal pumps are recommended for a variety of laboratory applications.

Welch direct drive rotary vane vacuum pumps achieve vacuum levels down to 1x10 4 torr 0 1 micron with flows up to 11 3 cfm. The crvpro family consumes up to 36 less oil than comparable pumps. Enables direct drive pumps to maintain the highest vacuum performance over time. Runs 10 c cooler than comparable pumps.

Welch premium vacuum pump oil resists breakdown in the high rpm operation environment of direct drive pumps. Welch premium vacuum pump oil resists breakdown during the high rpm operation of direct drive pumps. Three features drive these benefits. The welch 8905a direct drive vacuum pump is a robust vacuum pump for applications requiring pressures 50 torr.