Domestic appliance hose leak preventing valve - has valve closing plate activated by pressure within double wall hose

摘要

The hose fracture leakage protector is connected to a domestic appliance e.g. dishwasher using supply of pressurised water. This compact protector responds reliably also to leakages at low pressure differences. The closing valve (4) has one moving valve stem (6) connecting the closing plate (13) and actuating piston (16). The latter is exposed to the pressure of the liquid in the space between the walls of double wall hose. The protecting valve overall diameter is equal to that of the outside hose.