COVNA Manual Operated Double Flange Butterfly Valve

Short Description:

COVNA series powder cement butterfly valve is developed specifically for the application of powder media. The material of valve body is lightweight and high pressure casting aluminum alloy, the lining of disc is made from wear resistant polymeric material with steel core.

Mainly used for switch box, hopper and silo with powder or granular material. It can be applied to all powdered and particulate materials. The valve uses the gravity of the material itself to intercept flow and pneumatically transfer dry materials.

Model: Powder Butterfly Valve
Size Range: 100-400mm
Pressure Range: 1.0 to 1.6MPa
Material: Aluminum Alloy

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Product Detail

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Single flange valves feature a flange and compatible components for secure connections with flexible bushings, while double flange valves utilize identical flanges at both ends for balanced installation. The valve body, crafted through gravity casting, ensures superior strength compared to die-cast alternatives. Its rotary valve plate is designed for wear resistance, reduced weight, and effortless handling, enhancing durability and operational efficiency in demanding applications.

Applicable Media	concrete mixing plant, dry powder and dust
Temperature	max 80℃
Structural form	vertical plate type
Seat	rubber

It can be installed beneath hoppers, bins, silos, screw or other types of conveyors and connected to pneumatic conveying pipes. Due to the special structure of the valve and the use of Engineering materials, it has always been a very economical and highly efficient choice