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Different lining materials of valve

Different lining materials of pressure reducing valve,steam trap,sfety valve,check valve,globe valve, ball valve,etc

Material

Code

Sitable Temperature

Applicable Medium

Fluorinated ethylene propylene

FEP, F46

≤150℃

Different density hydrochloric acid, sulfuric acid, hydrofluoric acid, aqua regia, nitric acid, all kinds of organic acid, alkali, alternation of strong acid and weak acid, alternation of acid and alkali, many kinds of organic solvent and other strong corrosive media except for melt alkali metals, element fluorine and aromatic hydrocarbon.

Polychlorotri Fluoroethylene

PCTFE, F3

≤120℃

Polyvinylidene fluoride

PVDF, F2

≤120℃

Ethylene tetrafluoroethylene, Tefzel

TFE/E, F40

≤120℃

Perfluoroalkoxy

PFA

≤180℃

Acid-resistant enamel

TC

≤100℃

General corrosive media except for hydrofluoric acid, strong phosphoric acid and strong alkali.

Reinforced polypropylene

RPP

≤100℃

Most of organic acids, mineral acids and inorganic solvents except for strong nitric acid, oleum, chloride sulfuric acid and strong oxidant

Polyolefin

PO

≤100℃

The product adapts to transport current medium, like corrosive gas, liquid as well as solid and liquid slurry. It has good corrosion resistance to hydrochloric acid, dilute sulfuric acid, hydrofluoric acid, alkali and slat solution. It has the features of static resistance, innocuity.

Cast Iron, Unlined

 

≤100℃

 Noncorrosive medium

Stainless Steel, Unlined

 

≤150℃

Usual corrosive medium

 

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