1/4" fuel pump check valve (Manufacturer)

1/4" fuel pump check valve   Check valves are used to prevent flow of fluid (gas or liquid) in one direction and allow flow in the other direction.   We have Five port sizes to choose : 1/8", 3/16", 1/4", 5/16" and 3/8". Four housing materials: PA66 / PP / PVDF / ABS  Three diaphragm materials: Silicone / Viton / EPDM    Different material check valve can been used in different application If you need ozone resistant, we recommend PVDF material check valve If you need high temperature resistant, we recommend PVDF material and PA66 material check valve If you need low temperature resistant, we recommend ABS material If you need corrosion resistant, we recommend PVDF and PP material. If you need oil, diesel fuel, gasoline  resistant, we recommend PA66 material.   If you are not sure which kind check valve to choose , pls check some points and we will give you our advices: 1, What's the size of the check valve port that you need ? Or the inner diameter of the hose that the check valve connected to . 2, Where does the check valve you use in? 3,What medium can the check valve come into contact with? Such as Air, Ozone, Water, Oil (  Gasolines, Lubricant Or Edible Oil ) 4, What is the using temperature about your check valve ? 5, What is the Cracking pressure of the valve you require?     If you have any question or concerns about our products, please feel free to contact: Helen Liu Tel: +86 021-54730186 Mobile: +86 15221185734 WhatsApp: +86 15221185734 WeChat:  +86 15221185734 Skype: hihappyhelen QQ: 18918516965