Diaphragm pump NP 20

for gasairbrushless DC

Overview
KNF diaphragm gas pumps transfer or compress gases and vapors and generate a vacuum without contaminating the media. Models are available with multiple size and motor variants, digital control options and selectable materials to meet application-specific requirements for chemical resistance, temperature, vibration and noise. All versions operate oil-free.

Benefits

• Low pulsation
• Excellent reliability
• High performance-to-size ratio
• Contamination-free gas transfer
• Maintenance-free design
• Can run dry
• Adjustable performance
• Digitally adjustable motor option

Special Features

• Diaphragm pump principle
• Low pulsation output

Applications

• Analytical instruments
• Chemical industry
• Climate and HVAC technology
• Emission monitoring
• Food & beverage industry
• Gas analytics
• Inkjet printing
• Laboratory equipment
• Medical equipment
• Security and defense systems
• Vacuum technology

Downloads (available)

• Datasheet NP 20 (PDF)
• Operating Manual NP 20 (PDF)
• 3D CAD NP20 (ZIP)

Technical details (table)
Flow Rate (max.): 2.4 l/min
Pressure (max.): 0 bar (rel.)
Ultimate Vacuum (max.): 240 mbar (abs.)
Valve Material Options: EPDM
Diaphragm Material Options: EPDM
Pump Head Material Options: PPS
Motor Type Options: DC, Brushless DC

Technical specifications

• Category: Diaphragm gas pump
• Model: NP 20
• Flow Rate (max.): 2.4 l/min
• Pressure (max.): 0 bar (rel.)
• Ultimate Vacuum (max.): 240 mbar (abs.)
• Valve material: EPDM (options)
• Diaphragm material: EPDM (options)
• Pump head material: PPS (options)
• Motor types: DC, Brushless DC (options)
• Operation: oil-free
• Available customizations: size, control, voltage, chemical resistance, safety features, vibration/noise damping, temperature resistance