Master 4506.143: pompa paliwowa

The Master 4506.143 is a fuel pump for oil-fired burners, listed under air heaters components. In an oil burner system, the fuel pump draws oil from the tank through the supply line, pressurises it, and delivers it at the correct pressure to the burner nozzle. It is the hydraulic component that makes atomisation possible. The pump may incorporate a solenoid valve for controlled fuel shut-off and a pressure-regulating valve to maintain stable output. It connects to the oil line on the inlet side and to the nozzle via a high-pressure tube. The burner control energises the pump solenoid to admit fuel during the ignition sequence; the pump must be synchronised with the fan and ignition transformer for correct start-up. Pumps of this type are selected by their flow rate (kg/h or l/h at a given pressure), maximum working pressure, and shaft characteristics. During replacement, the installer must confirm the shaft rotation direction (clockwise or counterclockwise as viewed from the shaft end), the coupling type (keyed or flat), and the mounting flange pattern. The pump's inlet and outlet port threads must match the burner's oil piping. Some models include an internal filter or a bleed screw for de-aeration; if the original pump had one, the replacement should have the same provision. Mismatched pressure settings can cause poor atomisation or unsafe combustion, so the pump's pressure range must suit the nozzle specified for the burner. Always check the pump's orientation relative to the burner fan—some pumps require a specific mounting angle to ensure priming. No compatibility with specific burners is assumed beyond the dimensions and performance data given by the manufacturer.