Fluorine Lined Diaphragm Valve

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Fluorine Lined Diaphragm Valve

Product details

Body materialDuctile Iron,cast iron, cast steel, stainless steel
StandardAPI, DIN, JIS, GB
CertificateISO9001:2008, TS
ApplicationPetorleum,Chemical,Medicine,Fertilizer,Food and corrosive medium.
Mediumacid, oil, water,corrosion medium
FeatureAnti-corrosion,Simple structure,Sealing feature is good.
Lined materialPTFE FEP PFA PO FRPP
Suitable temperature≤180℃
Fluorine Lined Diaphragm Valve

The diaphragm valve is a special globe valve with shut-off function.Its open/close accessory is made of :steel petal and soft material,valve inner cavity and cavity of cover ater seperated to cut off the medium in the pipe.

Series of the diaphragm valve:

Basic series are G41F46 weir valve and G45F46 diaphragm valve,the characteristics are as below:

1.Complex septum separate the lumen under part and cavity of cover,it will separate the pole of valve,petal of valve and medium,the packing stuff are omitted,the inner leakage and outer leakage are avoided simultaneously.

2.The diaphragm,made by the fluorine lined PFA/FEP and synthetic rubber and the valve with fluoroplastic liner are applied to all kinds of serious erosive medium except “fuse alkali metal and Felement”.

3.The diaphragm regard as executing element is easy cracked because of frequent start and close,so that it mut be exchanged regularly.

4.The erosion-proof performance of fluorine lined and usage temperature recommended is placed in “the fluorine lined used by the valve and pipe accesory.


Criterion of design:

To meet the standard GB12239,BS5156


Drive mode:




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