
Suntec AS57C1544 oil pump
Suntec AS57C1544 oil pump is equipped with a built-in normally open solenoid valve that provides a shut-off function for fast interruption and restoration of fuel flow, regardless of motor speed. This design ensures precise fuel control and reliable burner operation. The pump is designed for diesel fuel and kerosene and can be used in both single-pipe and two-pipe fuel systems. Its robust construction guarantees stable pressure regulation, efficient air removal, and safe fuel shut-off during burner shutdown. Suntec AS 57 C 1544 oil pump technical data: Mounting: hub or flange mounting according to EN 225 Connection thread: cylindrical, ISO 228/1 Suction and return line: G¼" (conical seals possible for versions 5 and 6) Nozzle outlet: G⅛" Pressure gauge port: G⅛" Vacuum gauge port: G⅛" Valve function: pressure regulation and shut-off function Shut-off function: effective within a defined pressure range depending on model Mesh filter: open area 6 cm², mesh size 150 µm Shaft: ∅ 8 mm according to EN 225 Bypass plug: installed for two-pipe systems, removable with 4 mm hex key for single-pipe systems Fuel temperature: 0 to +60 °C Inlet pressure: max. 2 bar Outlet pressure: max. 2 bar Maximum suction vacuum: up to 0.45 bar Weight: 1.1–1.5 kg