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