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22KD Series

The 22KD series is a double headed miniature diaphragm pump designed for a wide range of applications including gas sampling, gas detection and monitoring. This pump series is of certain interest for applications requiring flow above 2 l/min in a compact envelope. Additionally, when run at lower speeds with a flow of 1 l/min and below, sound and vibration is reduced to levels which cannot be matched with a single headed pump.

Like all other pumps in the Boxer range, this series of miniature diaphragm pump can be customised to specific requirements. Diaphragms are available not only in different materials but also different thicknesses and profiles depending on the exact needs of the application. Likewise eccentrics from 0.5 to 0.85 mm can be configured.

This series is available with either iron core or BLDC motors.

› Flow rate to 2.6 l/min
› Low sound and vibration
› BLDC motor option with speed input for ultimate flow control
› Compact and versatile
› Antivibration mounting foot available

Flow control is available in combination with PWM Flow Controller.

Return to Miniature Diaphragm Pumps for Air and Gas range.

Economic motor option available in 3.0 and 4.5 V with 0.85 and 0.6 mm eccenter.

Technical Data

0.85 mm Eccenter
Free Flow	2.4 l/min
Max Pressure	200 mbar
Max Vacuum	-200 mbar

Power Consumption	0.7 to 1.6 W

0.6 mm Eccenter
Free Flow	2.2 l/min
Max Pressure	450 mbar
Max Vacuum	-450 mbar

Power Consumption	0.5 to 1.6 W

General Data
Voltage Options	3.0 / 4.5 V DC
Motor Termination	Solder tags (no preferred rotational direction)

Operating Temperature Range	5 to +60 °C
Operating Humidity Range	5 to 95% RH

Elastomers Options	EPDM, Silicone
Other Wetted Parts	PPS (Polyphenylene Sulphide)
Tube Connection	Barb for ∅ 4.0 mm tubing
Weight	32g

Order Information

Part Number: 22002.003 3.0 V DC / EPDM 0.6 mm eccenter ⇒
Part Number: 22002.005 4.5 V DC / EPDM 0.6 mm eccenter ⇒

Part Number: 22002.004 3.0 V DC / EPDM 0.85 mm eccenter ⇒
Part Number: 22002.006 4.5 V DC / EPDM 0.85 mm eccenter ⇒

Optional antivibration mounting foot available.

Part Number: 22000.3001 ⇒

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

Ultimate life and flow control available in 24 V DC with 0.85 and 0.6 mm eccenter.

With speed control input this BLDC motor maintains torque at low speed. This is a far more efficient method of flow control compared with reducing the supply voltage

Technical Data

0.85 mm Eccenter
Free Flow	2.6 l/min
Max Pressure	400 mbar
Max Vacuum	-400 mbar

Power Consumption	2.0 to 3.0 W

0.6 mm Eccenter
Free Flow	2.3 l/min
Max Pressure	450 mbar
Max Vacuum	-450 mbar

Power Consumption	2.0 to to 3.0 W

General Data
Voltage Options	24 V DC
Motor Termination	45cm leads terminated with connector for BLDC Driver

Operating Temperature Range	5 to +60 °C
Operating Humidity Range	5 to 95% RH

Elastomers Options	EPDM, Silicone
Other Wetted Parts	PPS (Polyphenylene Sulphide)
Tube Connection	Barb for ∅ 4.0 mm tubing
Weight	32g