Diaphragm Type Dry Vacuum Pumps DTC Series

Diaphragm Type Dry Vacuum Pumps DTC Series come in a small, clean form-factor ideal for use in the laboratory environment. Affordably priced, the DTC is the perfect solution for your lab.


  • Chemical type compatible with suction of organic solvents and corrosive gases.

  • Safety design with built-in automatic reset type thermal protector.

  • Operation is possible from atmospheric pressure.

  • Simple structure and easy maintenance.


  • Rotary evaporator.

  • Evaporating system.

  • Vacuum Concentrator.

  • Vacuum filtration.

  • Exhaust of gas-transfer tube.

  • Vacuum drying system.

  • Laser-gas circulation.

  • Centrifuge.

  • Medical/Pharmaceutical equipments.

  • Analysis/scientific equipment.


Model DAU-20DDTU-20D 
 Unit50 Hz60 Hz50 Hz60 Hz50 Hz60 Hz
Actual Pumping SpeedL/min202440466070
Ultimate PressurePa1.0×103 
Motor Single phase,220V,50W,4P,Capacitor runSingle phase,220V,100W,4P,Capacitor runSingle phase,220V,200W,4P,Capacitor run
Full load currentA0.70.721.12.02.1
Inlet,Outlet pipe diametermmO.D. dia10 x I.D. dia.6 (G 1/4)O.D. dia14 x I.D. dia.9 (G 3/8)
Ambient Temperature°C0-40
Overall diemensionsmm142(W)x288.5(L)x202(H)155(W)x336.5(L)x217(H)158(W)x340(L)x242(H)

Pumping Speed Curve