New Variable Speed DC Vacuum Pumps

Quincy, IL - The NEW Welch VARIFLOW DC-Drive Vacuum Pumps are ideal for OEM and Laboratory applications.

These totally dry DC-drive variable speed vacuum pumps can be used for full chemical-duty and standard-duty operation.

The VARIFLOW Pumps offer High performance two-stage diaphragm mechanism with 45 LPM flow rate and ultimate vacuum to1.5 torr (<2 mbar).

The Chemical Duty Model 8115D-20 uses PTFE heads and diaphragms and FKM valves. The Standard Duty Model 8115D-25 uses aluminum heads, EPDM diaphragms and valves.

Flexible OEM designs are available with or without power supply and controller in an enclosure or as a bare pump. All models use 24V brushless DC motors with a maximum power consumption of 85 watts and can restart under vacuum.

SOURCE: Gardner Denver