Waterproof resistance silicone one way valves - featured by good resistance against oil, water, heat, and shock. Equipped with Taiwan quality control and production technology, Doit Rubber is one of the leading manufacturers and suppliers of in China. You can rest assured to try our customized service and wholesale custom products from our factory.
We manufacture one way valves sealing such as flapper valves, umbrella valves and duckbill valves.
Additionally, we also provide custom rubber sealing valves to meet your requirements.
One way valves are elastomeric valve component that have an shaped sealing diaphragm.
It allows flow in only one direction.
The one way valves opens and closes at preset pressure, high or low opening pressures valves can also be developed.
Our one way valves can be manufactured in a variety of materials, including NBR, EPDM, Silicone, Fluoroelastomer, Fluorosilicone, Polyurethane and Polyacrylate.
Material also available with international potable water approvals including WRAS, WRC, ACS-France, KTW-Germany, AS4020-Australia and NZ, NSF61-USA.