DRYVAC DV 500

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

• 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

Monitoring:

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

• Inte