Replaceable Seat Flange Butterfly Valve,Renewable Seat,Removable Seat

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Design characters:

The rubber seat can be replaced.

Correcting holes are made on flange according to standard, easy correcting during the installation.

Through-out bolt or one-side bolt used. Easy replacing and maintenance.

Shaft and disc connected by pin, torque screw or non pin, to achieve the opening and closing.

Size:DN50-DN1200

Face to Face:API609,BS5155,DIN3202,ISO5752

Top Flange:ISO 5211

Flanged End Dimension: DIN PN10/16/25, ANSI B16.5, BS4504, ISO PN10/16,BS 10 Table D, BS 10 Table E

Normal Pressure:PN1.0/1.6Mpa(150/200PSI)

Body:Cast Iron/Ductile Iron/WCB/ALB/CF8/CF8M

Disc:DI/ALB/CF8M/CF8/Hastelloy Alloy/Monel

Stem:SS416/304/316/431

Seat:Hypalon/EPDM/Neoprene/NBR/EPDM/Viton/Silicon/PTFE

Suitable Temperature:-45C to 150ºC

Suitable media include water, sewage, air, foodstuff, sea water, gas, oils, acids, alkalis, etc

They are suitable for handles, gear operators, electric and pneumatic control actuators

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Butterfly Valve