Installation or, if it is a one-pipe installation, back to suction port in the gear set. That case, the by-pass plug must be removed from the return port, and the return port. Sealed by steel plug and washer. The solenoid valve of the AS pump is of the "normally opened" type. When the solenoid valve is non-activated, the by-pass channel between the pressure.And return sides of the valve is open. No pressure will then be built up to open the. Valve; it does not matter which speed the gear set has. When the solenoid is activated, this by-pass channel is closed and because of the.
Full speed of the gear set, the pressure necessary to open the valve will be built up. Very rapidly, which gives a very sharp cut-on function. When the burner stops, the solenoid opens the by-pass at the same moment, which. Drains all the oil down to the return, and the nozzle valve closes immediately.
Gives a very sharp cut-off function. The cut-on and cut-off can be actuated regardless of motor speed and have an. When the solenoid is not activated, the torque requirement is low up to full motor.Bleeding in two pipe operation is automatic, but it may be accelerated by opening. In one pipe operation, a pressure port must be opened to bleed the system. The item "New Suntec Oil Burner Fuel Pump AS47A 220V 50Hz 1536-6 High Pressure Diesel Pump" is in sale since Monday, June 1, 2020. This item is in the category "Business & Industrial\HVAC & Refrigeration\Other HVAC & Refrigeration". The seller is "industrial-burners" and is located in DELHI, DELHI. This item can be shipped to United States.