Fluorine-butterfly butterfly Industrial Valves and rubber lining the difference between a lot of people don't know, this article introduce every instrument valve will service for you.

first, fluorine-butterfly butterfly valve and rubber lining is through its sealing material to distinguish different, their sealing material is different, also has the difference, applicable occasions fluorine-butterfly butterfly valve is generally used in corrosive medium environment, while the line with rubber butterfly Industrial Valves used in the working condition of weak acid weak base medium such as water.

in the line with rubber butterfly valve sealing material has:

hard rubber NR applicable temperature: - 10℃~85℃;

soft rubber BR applicable temperature: - 10℃~85℃;

butyl rubber IIR applicable temperature: - 10℃~120℃;

neoprene CR applicable temperature: - 10℃~105℃;

fluorine-butterfly butterfly valve sealing material has:

the whole fluorine ethylene FEP ( F46) Temperature: - 85℃~150℃;

poly tetrafluoroethylene PTFE ( F4) Temperature: - 200℃~180℃;

gather three fluoride PCTEF ( F3) Temperature: - 195℃~120℃;

polypropylene RPP temperature: - 14℃~80℃;

PVC hard) PVC use temperature: 0 ℃ - 55℃;

poly (vinylidene chloride PVDF ( F2) Temperature: - 70℃~100℃;

polyolefin PO using temperature: - 58℃~80℃。

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