Danfoss 071N7171 BFR21 R3 oil pump

Danfoss 071N7171 BFP21R3 gear pumps for burners up to 42 l/h. Fuel passes through a filter, and the gear mechanism increases pressure. The NC valve opens, and the regulator maintains pressure. Excess fuel returns or goes to bypass.

Danfoss BFP21R3 071N7171 gear pump technical data:

• Viscosity range (in the suction line): 1.8-12.0 cSt(mm2/s)
• Filter area / cross-section: 11/200 cm2/microns
• Pressure range: 7-20 bar
• Factory settings: 10 ±1 bar
• Max. pressure in the suction/return line: 2 bar
• Ambient temperature: -20 to +70 °C
• Storage temperature: -25 to +120 °C
• Fuel temperature: 0 to +70 °C
• Coil protection degree: IP40
• Shaft: EN225