Pneumatic Fluorine Lined Ball Valve

2025-06-17

ball valve is a widely used cutting and control device in industrial pipeline systems, which uses a sphere as the opening and closing element to achieve fluid flow control or adjustment through 90 ° rotation. Its core structure includes a ball with a through-hole, a valve seat, a valve body, and a driving device. When the ball hole is aligned with the pipeline, it is fully opened, and when the hole is misaligned with the pipeline after rotation, it is closed. It is easy to operate and quickly opens and closes.

Core types and characteristics

Floating ball type: The ball floats, the valve seat is fixed, and the ball is pressed against the valve seat by the pressure of the medium to achieve sealing. It is suitable for low-pressure small-diameter scenarios (DN ≤ 200).

Fixed ball type: The ball is fixed on the valve stem, and the valve seat floats. The ball is pressed tightly by medium pressure or spring force, which has better sealing performance and is suitable for high-pressure large-diameter working conditions (DN ≥ 300).

Track ball valve: The ball rotates along a specific track to reduce friction and wear, extend service life, and is suitable for media containing particles.

Performance advantages

Reliable sealing: Metal valve seats or non-metallic valve seats such as polytetrafluoroethylene (PTFE) can achieve zero leakage, and some models meet the API 6D Class VI standard.

Extremely low flow resistance: The through-hole structure is similar to the inner diameter of the pipeline, with low fluid resistance, suitable for high flow rate scenarios (such as natural gas transportation).

Convenient maintenance: Modular design allows for online replacement of valve seats and seals, reducing downtime.

Strong adaptability to working conditions: with a wide temperature range (-200 ℃~+650 ℃), it can adapt to various media such as acid and alkali, oil and gas, slurry, etc.

Typical applications

Oil and gas: emergency cutoff of long-distance pipelines, wellhead control;

Chemical industry: reactor medium switch, corrosive fluid regulation;

Water supply and drainage system: water treatment plant pipeline control, building fire protection system;

In the field of power: flow regulation of coolant circuits and steam systems in nuclear power plants.

Ball valves, with their simple structure, reliable sealing, and convenient operation, have become indispensable fluid control components in industrial automation control, especially in scenarios that require rapid opening and closing or strict sealing.

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