VASF 2.120/2

Becker VASF 2.120/2 – VARIAIR Speed Flow side channel blower

The VASF 2.120/2 is a two-stage, air-cooled side channel blower with VARIAIR frequency converter. It delivers up to 71 m³/h (frequency 50–200 Hz) and, depending on the version, reaches down to −460 mbar relative in suction operation or up to +460 mbar relative in pressure operation. Dimensions 432 × 200 × 320 mm, suction and pressure connection G 1 1/2".

Versions

Becker offers the VASF 2.120/2 for various supply voltages and as a gas-tight compressor version:

• AC 200–230 V (-0.AC230): vacuum down to −460 mbar, pressure up to +460 mbar, 1.4 kW, 63 dB(A), 18.8 kg
• Gas-tight (-1.AC230): 71 m³/h, max. pressure ratio 1.46 p/p, 1.4 kW, 63 dB(A), 17.5 kg, connections DN 40 ISO-KF; leak rate < 1 × 10⁻⁵ mbar·l/s (helium leak test, whole unit), pressure ratio measured for air

Speed control and contact-free compression

The volume flow can be set precisely via the speed. The impeller rotates without contact and the sealed bearings need no lubrication – the blower works oil-free.

Advice and service

Ehrler & Beck supports you in selecting the right version, supplies accessories and spare parts and carries out maintenance and repair.

Pumping speed 50Hz	71
Pumping speed 60Hz	71
Ultimate pressure	540
Weight	18.8
Length	43.2
Width	20
Height	32
Inlet connection flange	G 1 1/2"
Outlet connection flange	G 1 1/2"
Noise level	63 dB(A)
Cooling method	Air cooling
Oil type	Oil-free

Convert units: vacuum and pressure units · Nm³/h to m³/h

Additional technical data