Centerline flange butterfly valve

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产品介绍

Parameters

1. Product overview

The centerline flange butterfly valve is the preferred conventional butterfly valve for pipelines. It has a simple structure, a small flow resistance coefficient, a flow characteristic tends to be straight, and no debris is retained. And it has the advantages of light weight, convenient installation and small driving torque. This kind of valve can be used to cut off the medium and adjust the flow of the medium. The driving device can be manual, electric, pneumatic, etc. according to user requirements. The parts of different materials are selected, and the sealing rings of different materials are used to adapt to different media and working conditions, so as to achieve the best cost and performance. The soft sealing butterfly valve is suitable for water supply and drainage, sewage, food, heating, gas, shipbuilding, hydropower, metallurgy, energy system, textile and other industries with temperature ≤120℃ and nominal pressure ≤1.6MPa. It is especially suitable for two-way sealing and the valve body is easy to rust. In occasions, it is used to adjust the flow and intercept the medium.

2. Product features

1. Small and light, easy to disassemble and repair, and can be installed in any position.

2. The structure is simple and compact, the operating torque is small, and the 90° turn to open quickly.

3. The flow characteristics tend to be straight, and the regulation performance is good.

4. The connection between the butterfly plate and the valve stem adopts a pinless structure, which overcomes possible internal leakage points.

5. The outer circle of the butterfly plate adopts a spherical shape, which improves the sealing performance and prolongs the service life of the valve. Zero leakage is maintained for more than 50,000 times of opening and closing under pressure.

6. The seal can be replaced, and the seal is reliable to achieve two-way sealing.

7. The butterfly plate can be sprayed with a coating layer, such as nylon or PTFE, according to user requirements.

8. The valve can be designed as flange connection and wafer connection.

9. The driving mode can be manual, electric or pneumatic.

Three, product specifications