Diaphragm pump N 922 ST
for chemicalselectricself-priming

Diaphragm pump - N 922 ST - KNF - for chemicals / electric / self-priming
Diaphragm pump - N 922 ST - KNF - for chemicals / electric / self-priming
Diaphragm pump - N 922 ST - KNF - for chemicals / electric / self-priming - image - 2
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Characteristics

Technology
diaphragm
Fluid
for chemicals
Operation
electric
Priming
self-priming
Mobility
stationary
Domain
industrial, chemical
Applications
transfer, control
Voltage
400 V, 220 V, 115 V, 380 V
Other characteristics
adjustable, oil-free
Flow

21 l/min, 22 l/min, 24 l/min, 25 l/min
(5.54761 us gal/min, 5.81179 us gal/min, 6.34013 us gal/min, 6.6043 us gal/min)

Pressure

6 bar
(87.023 psi)

Power

Max.: 205 W
(0.28 hp)

Min.: 135 W
(0.18 hp)

Fluid temperature

Max.: 60 °C
(140 °F)

Min.: 0 °C
(32 °F)

Length

284 mm
(11 in)

Width

124 mm, 164 mm
(4.88 in, 6.46 in)

Height

172 mm, 185 mm
(6.77 in, 7.28 in)

Weight

8.3 kg
(18.3 lb)

Description

KNF diaphragm gas pumps transfer or compress gases and vapors and generate vacuum without contaminating the media. They are available with options for application requirements related to size, motor, control, voltage, chemical resistance, safety, vibration, noise and temperature resistance. All pump types offer oil-free operation. Benefits Excellent reliability Contamination free transfer Adjustable performance Maintenance-free Low sound level High performance-to-size ratio Special Features Diaphragm pump High IP class (>44)

Catalogs

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.