Vacuum airend
* Rotary screw vacuum airend with energy-saving SIGMA profile
* V-belt Drive
* Automatic belt tensioning
* Inlet valve controlled by a solenoid valve
* Cooling oil pump (gear pump)
* Permissible inlet air temperature up to +45 °C
Electric motor
* Premium Efficiency IE3
* Degree of protection IP 55 (ASV series: IP 54)
* Insulation class F
* 400 V, 3-phase, 50 Hz
Cooling
* Air-cooled aluminium fluid cooler
* Designed for ambient temperatures up to +40°C
Cooling fluid circuit
* Thermostatic valve
* Bypass of full-flow micro-filter with replaceable insert
* Combined fluid reservoir and separator tank with pressure relief valve
* Multi-stage separator cartridge
* Fluid level sight glass drain valve and hose
* Quick-release couplings for measuring pressure differential
* Separator cartridge
Control cabinet
* IP 54
* 230 V control voltage
* Direct motor start-up
* Motor overload protection relay
General design
* Compact enclosure mounted on a solid base frame equipped with anti-vibration mounts
* Powder-coated surfaces
* Mineral wool soundproof lining
* Access doors on top and side
* Replaceable cooling air filter
* Airend and motor on anti-vibration mounts
* Flexible piping
* Fully guarded belt drive and fan
* Vacuum filter with pressure transducer to indicate clogging
* Infinite control of inlet valve opening via partial-load controller
* Changeover to Dual control mode possible
* Gas ballast unit for enhanced water vapour tolerance
SIGMA CONTROL 2
* Traffic-light LEDs for at-a-glance operational status
* Easy-to-read display
* 30 selectable languages
* Soft-touch icon buttons
* Fully-automatic monitoring and control
* Dual, Quadro, Vario and Continuous control modes available as standard
* Interfaces: Ethernet
* Additional optional communication modules for: Profibus DP, Modbus, Profinet and DeviceNet
* SD card slot for data storage and updates
* RFID reader
* Web server
The technical specifications can be found in this brochure:
Rotary Screw Vacuum Pumps ASV/BSV/CSV Series – Brochure