Body Silicone/FKM Type Duckbill+Umbrella Opening Pressure 0-3 Kpa Common Inner Material Silicone/NBR/VITON/FVMQ/EPDM/Fluoroslicone Experience 5-year History Certificate ISO9001: 2008 Our factory support OEM/ODM, confirm the details as follows, then we will help you design a perfect valve or we can introduce a similar valve that in stock: 1) Where does the valve you use in? 2) What kind of medium the valve come into contact with? Water, air, gasoline, lubricator or other? 3) What is your using temperature? Note: The 1)2)3) will make us choose the best material to make the valve for you. 4) What is the working pressure about the valve you require? 5) What is the rate of flow? 6) What is the opening pressure? 7) What is the max back pressure? 8) What is the approximate size of the valve? Such as diameter, ID and OD. 9) What is your annual quantity? Over the years, we have been always committed to the field of flow control. Relying on strong technical reserves and a team of developers, we often provide our clients with customized solutions. Existing products ( Such as Duckbill valves, Umbrella valves, Ball valves, Valve components, Diaphragm, etc. ) and services mainly for the automotive, medical, small engines, appliances, water treatment, food and packaging industries. A number of products launched by us have become the priority of industry leaders. So, maybe you do not know our name "RUBBER VALVE", but our products have been used in the device you are using, and provide you with a professional and reliable service all the time. The products and services we offered to our customers are not always after the customer's design is completed. In our services, there are many cases shows that at the beginning of product design, we have participated in the joint design of customers, and customize the best solution together. So, no matter what stage your job is in and what kinds of questions you have, you can E-MAIL us or give us a call, we are honored to serve you. ?Specializing Our company is specializing in the production of various kinds of valves: plastic check valve , duckbill valve ,umbrella valve, combination valve , medical check valve and etc . ?Variety The company produces various kinds of valves , various types and different size valves , in order to meet your different needs. ?Quality Controlled The company is considering ."Quality First, Service First" for the purpose of quality control. Quality is guaranteed to ensure you have an assured purchase! ?Favorable Price We will provide you favorable and reasonable price! The larger amount, much more discount! ?Timely Delivery No matter how small or big your order is, timely delivery is our long-term goal ! ?Special Customized At the same time, we provide customizing service, if all of our products cannot meet your requests, we also can specially customize the products for you as per your samples, drawings, etc.