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Lined fluorine diaphragm valve

Products > Anticorrosive valve > Lined fluorine diaphragm valve

Lined fluorine diaphragm valve

Model: J41F4
Nominal diameter: DN15 ~ 300mm
Nominal pressure: PN0.6 ~ 1.6MPa
Main material: HT250, WCB, CF8, CF8M, CF3, CF3M
Design and manufacture: GB12239
Structure length: GB1221 / JB1688
Flange size: JB78 / JB79 (GB HG SH)
Pressure Test: GB / T13927
Label: GB12220
Supply: GB / T12252
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Lined fluorine diaphragm valve is a special form of cut-off valve, appeared in the 1920s. Its opening and closing pieces is a piece of diaphragm made of soft material, the valve cavity and the valve cavity and drive components separated, it said the diaphragm valve.


 Lined fluorine diaphragm valve product principle

Diaphragm valve is in the valve body and the valve cover with a flexible diaphragm or a combination of the diaphragm, the closing member is connected with the diaphragm of a compression device, the structure of the valve with a very different form, is a special form of the cut-off valve , Its opening and closing parts by the steel flap and soft material (rubber and fluorine plastic compound) made of diaphragm, and the body cavity separated to achieve the purpose of cutting off the media inside the tube.

 

Lined fluorine diaphragm valve main components of the material table

Serial numberPart Namegrey cast ironCast steelStainless steel acid-proofUltra-low carbon stainless steel acid-proof
ZCPRPLRL
1Body / bonnetHT250WCBCF8CF8MCF3CF3M
2Disc / stem252Cr131Cr18Ni91Cr18Ni12Mo2Ti00Cr18Ni1000Cr17Ni14Mo2
3Lining / seatPCTEF (F3), FEP (F46), PFA (Soluble F4), PP, PO
4DiaphragmFEP (F46) / CR (neoprene) PFA (soluble F4) / FPDM (ethylene propylene rubber)
5BracketPTFE (F4)CF8CF8
6Stem nutZCuAl10Fe3ZCuAl10Fe3ZCuAl10Fe3
7Tighten the bolts351Cr17Ni21Cr18Ni9Ti
8Nut450Cr18Ni90Cr18Ni9
9HandwheelWCBWCBWCB

 

Lined fluorine diaphragm valve main dimensions and connection dimensions

Nominal diameterLDD1D2fbZ-φdDD1D2fbZ-φd
DN (mm)NPS (inch)PN1.0MPaPN1.6MPa
151/21258055402124-φ129565452144-φ14
203/41359065502144-φ1210575552164-φ14
25114510075602144-φ1211585652164-φ14
325/416012090702164-φ14135100782184-φ18
403/2180130100803164-φ14145110853184-φ18
502210140110903164-φ141601251003204-φ18
655/22501601301103164-φ141801451203204-φ18
8033001851501253184-φ181951601353224-φ18
10043502051701453184-φ182151801553228-φ18
12554002352001753208-φ182452101853248-φ18
15064602602252003208-φ182802402103248-φ23
20085703152802553228-φ183352952653268-φ23
2501068037033531032412-φ2839035032032812-φ23
3001279043539536242412-φ2344040036842812-φ23


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