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.

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 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