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.
Fluorosilicone VS. Silicone for Gasket Seal Valve: Fluorosilicone (FVMQ) is an elastomer which likes silicone (VMQ) offering excellent extreme temperature stability along with greater resistant to fuel, oil, petroleum based fluid, non-polar solvents, acid and alkaline chemicals similar to fluorocarbon rubber (FKM, FPM, Viton). Fluorosilicone gasket, seal, o-ring and check valve are widely used.
What is umbrella valve？Umbrella valve, also known as mushroom valve, umbrella check valve, is a kind of one way valve, check valve, back-flow valve, and non-return valve that are widely used as sealing parts in backflow prevention devices for controlling air or liquid flow in one direction and check
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