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Description:
UD Series hard seated butterfly valve is Wafer pattern with flanges ,the face to face is EN558-1 20 series as wafer type.
Material of Main Parts:
Parts
Material
Body
CI,DI,WCB,ALB,CF8,CF8M
Disc
DI,WCB,ALB,CF8,CF8M,Rubber Lined Disc,Duplex stainless steel,Monel
Stem
SS416,SS420,SS431,17-4PH
Seat
NBR,EPDM,Viton,PTFE
Taper Pin
SS416,SS420,SS431,17-4PH
Characteristics:
1.Correcting holes are made on flange according to standard, easy correcting during the installation.
2.Through-out bolt or one-side bolt used,easy replacing and maintenance.
3. Phenolic backed seat or aluminium backed seat:Non-collapsible,stretch resistant,blow out proof,field replaceble.
Applications:
Water and waste water treatment,sea water desalination,irrigation,cooling system,electric power,sulfur removal,petroleum refining,oilfield,mining,HAVC,etc