Danfoss BFPW Installation guide

Installation Guide

Fuel unit BFPW

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Fig. 1	Fig. 2

	Fig. 3			Fig. 4
	Technical Data			Connections
				See fig. 2
	Oil types		Used oil, No 4 & lighter fuels	P1	Pressure regulation
	Speed		Max. 3450 rpm.	S	Suction line 1/4 NPTF
	Pressure		80-210 psi
	Factory setting		60 psi	R	Return line 1/4 NPTF
	Maximum pressure on suction port		30 psi
	Transfer flow rating		3 GPH		Nozzle connection left 1/4 NPTF
	Operating vacuum	Used oil and no. 4 fuel	20 in. HG		Pressure gauge connection G 1/8
		No. 2 and lighter fuel	10 in. HG
					and bleeding

Vacuum gauge connection 1/8 NPTF

Pressure adjustment

See fig. 3

Air bleeding

See fig. 4

The pump can be bleeded through the pressure gauge port in the front or through the return port R.

© Danfoss | 2019.05

VI.DK.A1.12| 1

Installation Guide, Fuel unit BFPW

Installation

The fuel unit type BFPW should be installed in accordance with the National Board of Fire Underwriters requirements and local ordinances where applicable.

The pump does not have internal strainer. A filter in the supply line is always required.

Suction line length

Line size	1/2 inch ID	3/4 inch ID
Total length horizontal and vertical	35 feet	45 feet
Calculation basis	460 SSU (100 cSt) corresponding to no. 4 fuel at 40°F

Danfoss A/S

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2 | © Danfoss | DHS-SDBT/DK | 2019.05

VI.DK.A1.12