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Double Eccentric DVD Butterfly Valve

 
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Description

DVD Butterfly Valves have divided two-piece shaft that is guiding the disc. One of these shafts transfers the gearbox rotation force to the disc.

In case of an operation of the gearbox, the shaft rotates in its axis and moves the attached disc to open or close the valve.

The second shaft is used to guide the disc to the body of the valve. Friction of guiding is lowered by the bronze bearings on the body.

DVD Butterfly Valves have Closed End Disc Design, and shaft bearing system is isolated from the medium by o-rings. As a result, high corrosion resistance and durability is achieved.


Nominal Size
DN100-DN2200
Nominal Pressure
PN10-40
Face to Face
EN558-1 Series 14
(DIN 3202 F4)
Body Material Options
Ductile Iron
Carbon Steel
Stainless Steel
Nickel Aluminum Bronze
Accessories
Extension Spindle
Gearbox
Electrical Actuator
Rubber Lining
Flange Standards
EN 1092/2
BS 4504
BS10E
ANSI

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