IMPROVEMENTS IN AND RELATING TO SOLENOID FUEL DRAIN VALVES

摘要

A solenoid fuel drain valve ( 2 ) comprising a valve body ( 4 ), having a drain hole ( 20 ) and an air inlet opening ( 22 ), a solenoid coil ( 10 ) and a piston, the drain hole ( 20 ) having a drain inlet ( 20 ) and a drain outlet ( 15 ); and the piston being arranged within the valve body ( 4 ) to be moveable between a closed condition, wherein the drain hole ( 20 ) and the air inlet opening ( 22 ) are sealed, and an open condition, wherein the drain hole ( 20 ) and the air inlet opening ( 22 ) are open, movement of the piston being controlled by the solenoid ( 10 ).