Differential pressure valve for use in by-pass hose in car heater comprises housing containing cylindrical chamber, valve seat being mounted on wall of chamber valve body being attached to arm, allowing it to pivot about axis of chamber

摘要

The differential pressure valve for use in a by-pass hose (5, 5a) in a car heater comprises a housing containing a cylindrical chamber. The valve seat (9) is mounted on the wall (15) of this chamber and the valve body (10) is attached to an arm (13), allowing it to pivot about the axis of the chamber.