Xiamen Better Silicone Rubber Co., Ltd

Resuscitator's duckbill valve also known as ventilator check valve, respiratory & respirator valve, one way breathing valve, which are usually used as medical non return check valve in non rebreathing patient valve, expiratory valve for respiratory device like manual resuscitator & respirator, CPR bag, self inflating bag, bag valve mask(BVM), manual resuscitation & ventilation bag like Ambu Bag, Laerdal resuscitator.

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.

How Does Duckbill Valve Work?Duckbill Valve is one-piece elastomeric component with flexible flaps& lips. By combination of elastomer rubber flexibility & softness and slit cutting function, Duckbill Valve provides the reliable tightest seal for backflow & leakage prevention at low-pressure fluid &

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.

Common Defects Duckbill Valve & Duck bill Check Valve for breast pumps and drainage: like Medela, Spectra, Lansinoh, Zomee Pumps, Legendairy milk, Freemie duckbill, sewer pipes & water drain valves, Tideflex Check Valves and VacuFlush Toilet System etc. What's Duckbill Valve? Duckbill Bill Valve is one type of check valves & one-way valve with duck shaped bills & lips in aim to allow air or fluid liquid forward flow and also prevent back flow, which mainly made from silicone, liquid silicone rubber (LSR), EPDM, Buna n and other elastomer synthetic rubber. Duckbill Valve as a flow control check valve should have rigid sealing with low or high opening pressure demands after slit cutting. However, in daily life, we face too many problem about duckbill valve: Duckbill valve for Breast Milk Pump Duckbill valve for Drainage Duckbill Valve for Water Bottles

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.

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.

Duckbill Valve Duckbill Valve, also known as One Way Valve, Non-Return Valve, Duckbill Check Valve. Duckbill valves are unique, one-piece, elastomeric components that act as backflow prevention devices or one-way valves or check valves. They have elastomeric lips in the shape of a duckbill which pre

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

Duckbill Valve, also known as Duckbill Check Valve, Duckbill Drain Valve, One Way Valve, which can be designed to provide the customer's required head loss and flow rate for particular applications, which valve designs take full advantage of one way check valve with duck shaped bills & lips in aim t

What is a duckbill valve breast pump?Breast Pump Duckbill Valves are also known as Breast Pump Valve, Breast Pump Membrane Valve, Duckbill Valve for Breast Pump, Milk Valve for Manual Breast Pump. It is one types of Liquid Silicone Valve that used for electric milk pump and manual milk pump. Silicon

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 ValveDuckbill Valve, also known as Duckbill Check Valve, Duckbill Drain Valve, One Way Valve, which can be designed to provide the customer's required head loss and flow rate for particular applications. A range of materials and designs are available to handle different fluids and service c

Dimensions of rubber duck bill valves:Popular speaking there are two kinds of installation size: an installation size with national standard flange connection, this is the first by tong-wen li engineers designed a rubber duck mouth valve, in order to communicate and coordinate with national standard

The check valves (also known as reverse stop valve) is a valve that is automatically open and closed by the flow of the medium itself, and is used to prevent the flow of the medium from the valve, also called check valve, one-way valve, backflow valve, and back pressure valve.