Umbrella Valves

Elastomeric valve that have a diaphragm shaped sealing disk or an umbrella shape.

Umbrella valves have been around for many years. Their applications include vessel vent valves such as for automotive fuel tanks, in and outlet valves for piston and diaphragm pumps, one way check valves and numerous control functions in medical devices, home appliances, cars and toys.

Immediate positive seal
Position independent
High flow rate vs size
Corrosion resistant
Wear resistant
Variable opening pressure through seat thickness