Xiamen Better Silicone Rubber Co., Ltd

Duckbill Check Valve Types & Installation and Duckbill Check Valve Design Guide——Duckbill check valve is also named rubber check valve, rubber duckbill valve, which has special structure like duckbill. It is an air, gas, liquid, water backflow preventer which has the function of forwarding flow in positive direction while non-return in opposite direction. Rubber duckbill check valve is applicable widely to drainage system, sewer, breast pump and manual respirator.

Umbrella check valve also known as umbrella valve seal, mushroom valve, which is a non return one way valve and used in air inlet & intake valve for self inflating bag, manual resuscitator, bag valve mask(BVM), manual resuscitation & ventilation bag like Ambu Bag, Laerdal resuscitator. Respirator valve & respiratory umbrella valve is made from medical grade silicone by compression molding or liquird silicone rubber LSR molding.

The Difference Between VMQ, FVMQ (Fluorine Silicone), FKM (Fluororubber), FFKM (Perfluorinated Rubber)

Umbrella Valve Seal, known as Umbrella Check Valve or Mushroom Valve, which is one type of silicone one way check valve ( backflow valve & pressure relief valve). Silicone Umbrella Valve, which have round diaphragm seals & seat for air or water pressure relief and backflow controls like Belleville v

Duckbill umbrella valve & duckill fapper valve are combination valve which function as two way flow control valve, bidirectional valve. Duck bill umbrella valve refer to the valve with a duckbill valve in one side and a mushroom valve in another side while duckbill flapper valve is combined by a duckill walve and a flapper check valve. They are made of FDA / LFGB approved silicone material, widely used for sealing, flow controlling, liquid dispensing & air releasing.

How does Silicone CPAP Mask Produce?Silicone CPAP MaskSilicone CPAP Mask, also know as Silicone Oxygen Mask, Medical Silicone Mask, NIV Mask. Medical Grade Silicone Cushion is made of soft medical grade liquid silicone rubber/ LSR material and it is durable, flexible and comfortable as well as very