Double Flange Type Butterfly Valve

Salient Features of Double Flange Type Butterfly Valve :-
* ISO 5211 top plate drilling and stem connection.
* Two flange locating holes for sizes upto 12a and four flange locating holes from size 14a and above for easy alignment during installation.
* Nylon PA 12 coated disc option ensures excellent corrosion resistance.
* One piece stem with close tolerance double D drive.
* Unique a Center-Locka seat design virtually eliminates any seat movement during the seating and unseating
* Unique stem retention system to provide blow-out proof stem assembly and easy disassembly of valve
* Heavy duty acetal bushing absorbs the forces acting on the stem/disc assembly due to line pressure
* Heavy duty one-piece body with extended neck for 2a piping insulation.
* Heavy duty square-grooved seat design with molded O-ringseals to serve as flange gaskets.