Circular pumps BFP Hydraulic and lubrication systems therefore increasingly use bypass filters and/or coolers. The advantage of these circuits is that they create stable and therefore more predictable operating conditions for both the filtration and cooling. Circulating oil in these circuits requires efficient and preferably silent circulation pumps which provide a constant flow rate at moderate pressures. Internal gear pumps, so-called gerotor pumps, have proved especially useful for these applications. They offer compact integration, are relatively insusceptible to particle contamination and have a long life. Low noise emission High vol. efficiency Good suction performance Built-in bell housing Gerotor principle Not susceptible to contamination The BFP series features a range of particularly compact circulation pumps specifically designed for this area of application.

BFP Introduction and description Why gerotor? Numerous applications in hydraulic and lubrication systems just require the circulation of the fluid. In such cases low noise emissions and low pressure ripples are more important than highly efficient transmission of energy. The gerotor is the ideal principle for such applications. The displacement mechanism consists of the inner and the outer rotor. The number of teeth of the inner rotor is always one less than the outer rotor. The rotation of the gerotor generates chambers of changing volumes between the inner and outer rotor. The variation follow...

Technical data Technical Data Pump housing: Gerotor: Colour: Operating fluids: Operating oil temperature: Seal: Ambient temperature: Anodised and impregnated cast aluminium Sintered steel Motor RAL 7024 Mineral oils per DIN 51524 max. 80 °C (higher temperatures on request) Perbunan (NBR) or Viton (FPM) on request -15 °C to +40 °C Electric motors utilisation per Class B Design: three-phase asynchronous squirrel-cage induction motor totally enclosed, fan cooled Protection class: IP55 on request: other voltages higher motor power for higher viscosities UL- or CSA-approved motors higher...

Item number Motor power max. oil viscosity at max. operating pressure Number of poles max. power input (400 V/50 Hz)1 Nominal delivery volume1 Suction side connection Pressure side connection Suction pressure for all models temporarily up to Acoustic power per ISO 37441 Weight Dimensions A B C D E F G H I J K approx. 1.5 A approx. 1.6 A approx. 1.6 A approx. 2.4 A approx. 3.2 A 4 Buhler Technologies GmbH We reserve the right to amend specification. DE370001 ◦ 04/2017 For 60 Hz versions please multiply the delivery volume by a factor of 1.2. The acoustic emission increases by approx....

Item number Motor power max. oil viscosity at max. operating pressure Number of poles max. power input (400 V/50 Hz)1 Nominal delivery volume1 Suction side connection Pressure side connection Suction pressure for all models temporarily up to Acoustic power per ISO 37441 Weight Dimensions A B C D E F G H I approx. 1.6 A approx. 2.4 A approx. 3.2 A approx. 2.4 A approx. 3.2 A DE370001 ◦ 04/2017 We reserve the right to amend specification. Buhler Technologies GmbH 5 For 60 Hz versions please multiply the delivery volume by a factor of 1.2. The acoustic emission increases by approx. 3...

Item number Motor power max. oil viscosity at max. operating pressure Number of poles max. power input (400 V/50 Hz)1 Nominal delivery volume1 Suction side connection Pressure side connection Suction pressure for all models temporarily up to Acoustic power per ISO 37441 Weight Dimensions A B C D E F G H I J 6 Buhler Technologies GmbH We reserve the right to amend specification. DE370001 ◦ 04/2017 For 60 Hz versions please multiply the delivery volume by a factor of 1.2. The acoustic emission increases by approx. 3 dB.

Motor power Nominal delivery volume* Suction side connection Pressure side connection Suction pressure for all models temporarily up to ’ For 60 Hz versions please multiply the delivery volume by a factor of 1.2. The acoustic emission increases by approx. 3 dB. 73 6? DE370001 ◦ 04/2017 We reserve the right to amend specification. Buhler Technologies GmbH 7