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Plug Valve

Plug Valves for Various Industries

Plug valves comply with leading industry standards such as API 6D and BS 5353. They are available in lubricated, non-lubricated, and three-way, four-way, and multi-port configurations, and are suitable for special operating conditions involving high-viscosity, particulate-laden, and crystallizable media. They provide industrial systems with low-resistance, fast, and reliable shut-off and flow direction switching solutions.

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FAQ

Does this plug valve comply with the API 6D standard?

The basic design of the entire product line strictly adheres to the API 6D specification and is fully compatible with BS 5353 requirements. We can provide corresponding certificates of compliance to meet the procurement requirements of various industrial projects.

What are the key differences between plug valves and ball valves?

Plug valves feature a smoother flow path with no dead zones, making them more suitable for high-viscosity and crystallization-prone media. Their 90° opening and closing action provides smoother torque, and they are less prone to jamming or failure during long-term transfer of viscous media.

Do lubrication-free plug valves require periodic grease maintenance?‌

Lubrication-free plug valves utilize self-lubricating sealing materials. They do not require the injection of sealing grease during operation, eliminating the risk of grease contaminating the medium and making them suitable for clean medium applications.

How effective is the heat tracing performance of jacketed insulated plug valves?‌

The full-body jacketed structure ensures that the heat tracing medium completely covers the flow path, effectively preventing crystallization and blockages caused by high-viscosity, crystallizable media inside the valve.

Can multi-port plug valves switch flow directions?‌

Three-way and four-way configurations allow for direct merging, splitting, and bidirectional switching of the medium, eliminating the need to install additional valves and reducing the number of pipe joints and potential leak points.

FAQ

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Why FLOWORK

Five Core Advantages of Multi-Standard Plug Valves

1.Multi-standard compliance: The entire product line is designed based on the API 6D framework and is simultaneously compatible with the BS 5353 standard, directly meeting the standard access requirements for projects in different regions.

2.Full-bore, low-resistance flow path: The plug’s through-hole is completely flush with the pipeline, with no reduction in diameter or protrusions. This ensures virtually no residue when conveying high-viscosity media and allows pigging tools to pass through the pipeline smoothly.

3.90° rapid opening and closing: Full opening and closing can be achieved with a mere 90° rotation, offering significantly higher operational efficiency than lift-stem valves. When paired with an actuator, it enables rapid shutoff during emergency conditions.

4.Lubrication-Free, Jam-Resistant Design: This lubrication-free plug valve is made of special materials; no sealing grease needs to be injected between the plug and the valve body, eliminating issues such as medium contamination by grease or grease solidification causing jamming, making it suitable for clean medium applications.

5.Multi-Path Flow Direction Switching: Three-way and four-way configurations allow for direct merging, splitting, and switching of medium flow directions without the need to install additional valves, thereby reducing the number of pipeline joints and potential leak points.

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