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The Elmo Rietschle 2BH1 330 is a side channel blower of the G-BH1 series for vacuum and pressure operation: 0.25–0.7 kW (50 Hz), differential pressure up to −160 mbar (vacuum) or 180 mbar (pressure), depending on the motor. Ehrler & Beck advises on selection and service.
Elmo Rietschle 2BH1 330 – side channel blower of the G-BH1 series
The 2BH1 330 is a side channel blower of the G-BH1 series from Elmo Rietschle. According to the data sheet, every G-BH type can be used as a vacuum pump and/or as a compressor in continuous operation over the whole range of the characteristic curve. Depending on the motor and mains frequency, a differential pressure of up to −160 mbar in vacuum operation and up to 180 mbar in pressure operation is permissible; the motor power is 0.25–0.7 kW at 50 Hz.
Versions and motors
Listed are 9 order numbers from the Elmo Rietschle data sheets: three-phase and single-phase motors from the standard data sheet (without IE class); ATEX versions. Voltage, current, power, permissible differential pressures, sound pressure level and weight are given with each version. Elmo Rietschle lists the versions with frequency converter in a separate data sheet; they are not listed individually here and are available on request.
Volume flow
Elmo Rietschle gives the inlet volume flow of the G-BH types as a characteristic curve over the pressure difference (air 15 °C, 1013 mbar, tolerance ±10 %). According to Elmo Rietschle, the G-BH1 series covers 50 to 2,450 m³/h. Ehrler & Beck determines the volume flow for your operating point.
Advice and service
Ehrler & Beck advises on selection and accessories such as vacuum and pressure limiting valves, supplies spare parts and carries out maintenance and repair.
Rated motor power 50Hz
0.55
Rated motor power 60Hz
0.63
Motor efficiency class
IE2
Weight
13
Noise level
54 dB(A)
Oil type
Oil-free
Additional technical data
Technical data
Value
Design
Side channel blower for vacuum and pressure operation (according to the data sheet usable in continuous operation over the whole range of the characteristic curve)
G-BH1 2BH1 100