1. Compact and lightweight, easy to disassemble, install, and maintain, and can be installed in any position.

2. Simple and compact structure, low operating torque, and quick 90-degree rotation for fast opening.

3. Flow characteristics approach linearity, with excellent regulation performance.

4. The connection between the disc and the valve stem adopts a pinless structure, eliminating potential internal leakage points.

5. The sealing components are replaceable, and the seal is reliable, achieving bidirectional sealing.

6. The disc can be spray-coated with a covering layer according to user requirements.

As a component used to achieve pipeline system shut-off and flow control, soft-sealed butterfly valves are widely applied in many fields such as petroleum, chemical industry, metallurgy, and hydropower. In known butterfly valve technologies, the sealing form mostly adopts a sealing structure, with sealing materials such as rubber and polytetrafluoroethylene.

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