How does an umbrella valve work

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 in (disposable) breathing masks, and numerous other fluid control functions in medical devices, home appliances, cars and toys.

The light umbrella shaped check valve can let the fluid flow in one direction and prevent the fluid from flowing back in the opposite direction. The valve is automatically operated and easy to install. It is suitable for any installation position. (Even if it is installed upside down, its operation will not be affected)

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Data of air/liquid flow, aging, high & low tempreture, chemical resistent test etc.

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