Danfoss 071N7171 BFR21 R3 pompa dell'olio

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