Danfoss BFP 21 L5 LE-S 071N2131 burner pump

Danfoss

Alternative Part Number

Viessmann 7834258
  • Discontinued
  1. Burner Parts
  2. Burner pumps

Characteristics

Fuel consumption: 42 l/hInlet pressure: 2 barShaft diameter: 8 mmFactory pressure setting: 10 barReturn pressure: 2 barTorque: 0.12 N·mMaximum rotation speed: 3,450 rpmNominal rotation speed: 1,400 rpmSolenoid valve consumption: 9 WStrainer: Open area: 11 cm²Strainer: Opening size: 200 µmNozzle outlet: ¼ inchSolenoid valve voltage: 220-240V~, 50-60HzVacuum gauge port: ¼ inchPressure gauge port: ¼ inchPump series: BFPOperating viscosity: from 1.3 to 12 mm²/sValve function: pressure regulating and cut-offInstalling the bypass plug: P: bypass plug installed in return line for two-pipe systemModel type: 1 stage with electromagnetic valveOil temperature: from 0 to 70 °C in the pumpNozzle pressure range: from 7 to 20 barSuction height: 0.45 bars max. vacuum to prevent air separation from oilSuction and return line: ¼ inchDirection of rotation (looking at the drive shaft): C: counterclockwise rotation / nozzle on the leftType of pumped liquid: diesel, keroseneInstallation method: sleeve ⌀32 mmDegree of protection: IP40