G-BH9 2BH9 2300 Three-phase, 50 Hz 190–210 V, 60 Hz 190–210 / 380–420 V (NEMA Premium 200 V), 21.3 / 24.5 kW, IE3

Elmo Rietschle 2BH9 2300 – side channel blower of the G-BH9 series

The 2BH9 2300 is a side channel blower of the G-BH9 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 −200 mbar in vacuum operation and up to 190 mbar in pressure operation is permissible; the motor power is 17.3–21.3 kW at 50 Hz.

Versions and motors

Listed are 5 order numbers from the Elmo Rietschle data sheets: IE3 three-phase motors (60 Hz also NEMA Premium). 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 %). 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	21.3
Rated motor power 60Hz	24.5
Motor efficiency class	IE3
Weight	158
Noise level	81 dB(A)
Oil type	Oil-free

Additional technical data