Inlet connection: DN 63 ISO-K
Pumping speed: 460 m3/h
Ultimate pressure: < 0.01 mbar
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DRYVAC DV 500   380-480V , 50/60Hz

Dry compressing screw vacuum pump



  • Hermetically sealed screw vacuum pump with integrated frequency converter
  • Simple mechanical and electrical integration
  • Integrated protection functions through temperature, exhaust pressure and power consumption monitoring
  • Small footprint due to compact design
  • Low energy consumption through optimized rotor geometryand innovative motor design with efficiency class IE3
  • Insensitive to dust
  • High pumping speed also at high intake pressures



Technical data:

  • Nominal pumping speed: 500 m3/h
  • Max. eff. pumping speed: 460 m3/h
  • Ultimatepressure (w/o purge):  1 x 10-2 mbar
  • Integral leak rate: 1 x 10-4 mbar l/s
  • Weight: 490 kg approx.
  • Noise level at ultimate pressurewith silencer or connected rigid exhaustline: 65 dB(A)
  • Connection flange, intake side: DN 63 ISO K
  • Connection flange, dischargeside: DN 63 ISO K
  • Electrical connection: 380-460 V / 50/60 Hz
  • Electrical capacity rating: 11 kW
  • Electrical power consumption at p < 5 mbar:  4,4 kW
  • Pump dimensions [mm]: 1240 x 612 x 478
  • Cooling: water
  • Cooling water consumption, nominal: max. 8 l/min
  • Water pressure min/max: 2/7 barg (bar gauge)
  • Cooling water admission temperature: 5 - 35 °C
  • Shaft seal purge gas (always): 6 SLM
  • Purge gas supply pressure: 4 - 16 barg (bar gauge)
  • Oil filling motor/gear side: 1.0 l (ester oil)
  • Permissible ambient temperature: 5 - 50 °C
  • Protection class EN 60529: IP54



  • Pressure switch on exhaust side (1.2 bar abs.)
  • Temperature pump housing
  • Temperature motor
  • Current limits through frequency converter



  • Integrated frequency converter
  • Electro pneumatic gas ballast valve 24 VDC
  • Purge gas valve 24 VDC


Media supply:

  • Electrical supply: terminal board
  • Communication: I/O 15 subD , RS485 9 subD
  • Cooling water supply: 2 x G 1/2 inch. (female)
  • Purge gas connection: D10 plug-in connection


Supplied equipment:

  • DRYVAC of the design as detailed above
  • Operating medium (already filled in)


Accessories (available separately):

  • 119002 Silencer
  • 112003A14 Spring loaded disc check valve 63 ISO K
  • 112003A03 Roots adapter for WS(U) 501/WH 700
  • 112003A04 Roots adapter for WS(U) 1001
  • 112003A05 Roots adapter for WS(U) 2001
  • 112003A07 Roots Adapter WH 2500 onto DV 500
  • 112003A10 Roots Adapter WH 4400/7000 onto DV 500

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