Boxer Pumps

3KQ Series

The 3KQ series is an extremely compact, robust and versatile quad headed gas diaphragm pump. Highest quality con-rod and motor bearings ensure lowest power consumption and, combined with slow speed, maximum operational life. This series additionally offers a unique detachable motor construction allowing contaminated heads to be ecconomically exchanged.

This series is offered with high quality brushed motors.

› Flow rate to 28.0 l/min
› Robust / long life
› Single and Quad versions available.

Single and Double versions are available in the 3K and 3KD series as well as liquid versions with the 3K, 3MD and 3MQ.

Fixing brackets are included as standard.

Flow control is available in combination with PWM Flow Controller.

Return to Miniature Diaphragm Pumps for Air and Gas range.

Quality brushed motor available in 12 and 24 V

Technical Data

Parallel Connection:
Free Flow 28.0 l/min
Max Pressure 1.0 bar
Max Vacuum -800 mbar
Power Consumption 18 to 43 W
Series Connection (Vacuum only):
Free Flow 8.5 l/min
Max Vacuum -950 mbar
Power Consumption 16 to 30 W
Voltage Options 12 / 24 V DC
Max Ambient Operating Temperature 50 °C
Max Media Temperature 100 °C
Elastomers Options EPDM / Nitrile
Other Wetted Parts PPS (polyphenylene sulphide)
Weight 575g




Order Information

Part Number:     3114.129     12 V DC / EPDM     ⇒ BOX-it
Part Number:     3114.252     24 V DC / EPDM     ⇒ BOX-it

All data is representative for initial selection purposes. It is the responsibility of the user to determine suitability for the intended use.

Boxer Pumps
Boxer GmbH · For gas & liquids · 20 Belsize Avenue · London NW3 4AU
Phone: +44 (0)20 7794 4080 · Fax: +44 (0)20 7431 1426 · ·