DN2000 Double Flange Eccentric Butterfly valve

Specifications:

Material:

This series of butterfly valves are suitable for cutting off and regulating medium flow in long-distance water pipelines, tap water systems, power plant metallurgy, petrochemical and industrial pipelines.

Structure and technical performance

1. This series of butterfly nets has a reasonable overall structure, large flow area, small operating torque, high safety factor, and can be used in both forward and reverse directions.

2. Adopting a double eccentric structure, the butterfly plate sealing ring can quickly detach from the valve seat at the moment of opening and closing, effectively avoiding the interference and interference of the seat adjustment on the valve plate during the opening and closing process of the valve.

friction, long seal life.

3. The mesh plate adopts a pressure curved surface pressure-bearing streamline structure design. When fully open, the effective flow cross-sectional area of ​​the valve seat channel is large, so the flow resistance is small. This design can greatly reduce the flow resistance of the butterfly valve, the energy saving effect is very obvious, and the junction strength advantage is obvious.

4. The stainless steel valve seat adopts fully automatic plasma spray welding technology and is spray welded on the valve body. It is smooth, flat, stable and reliable, and has strong corrosion resistance to ensure no leakage during use.

5. The sealing ring has a "D"-shaped structure, which not only has material sealing elasticity, but also structural elasticity. The seal has the functions of pressure self-tightening and pressure compensation sealing. At the same time, the pressure ring can be adjusted to position the rubber ring to prevent the sealing ring from moving. , rolling and loose rubber bulges, so that the sealing force of each sealing point is balanced, the sealing wear is less, and the effect is good. The sealing ring can be adjusted, repaired, and replaced directly on the pipeline by disassembling the pressure ring, which is convenient and quick.

6. It has a two-way sealing function and is not restricted by the flow direction of the medium in the pipeline during installation. (If you only need to consider controlling one-way media, priority should be given to installation in a direction that is conducive to sealing)

The installation method can be vertical or horizontal according to user needs, and can be equipped with foot supports.

8. The driving device can adopt manual, electric, pneumatic, hydraulic and other transmission modes according to user needs.