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Product Selection Differences for Lined Plug Valves

When selecting Lined Plug Valves, there are several key differences to consider among available options, including: 1. Valve Type: Lined Plug Valves are available in various types such as sleeved plug valves, plug valves with PFA lining, and plug valves with other types of linings. Each type has specific advantages and considerations depending on the application.

  1. Materials: The materials used for the valve body, lining, and plug are crucial factors to consider. Common materials include PTFE, PFA, FEP, PVDF, and other fluoropolymers, each offering unique chemical compatibility and temperature resistance properties.

  2. Pressure and Temperature Ratings: Consider the maximum pressure and temperature conditions the valve will be subjected to in your application, and ensure the selected valve can operate within those parameters.

  3. Size and Connection Type: Determine the required valve size and connection type (flanged, threaded, etc.) based on the piping system and flow requirements.

  4. Flow Characteristics: Plug valves offer different flow characteristics such as smooth or eccentric plug designs. The type of flow control needed in your system will dictate the suitable flow characteristic.

  5. Actuation Type: Plug valves can be manual, gear-operated, pneumatic, or electrically actuated. Select the appropriate actuation type based on operational needs and automation requirements.

  6. Sealing Mechanism: Consider the sealing mechanism of the plug valve, whether it's soft-seated or metal-seated, to ensure compatibility with the application's requirements for bubble-tight shut-off or handling abrasive media.

  7. Certifications and Standards: Check for industry certifications and standards compliance, such as ANSI, API, ISO, and others, to ensure the valve meets regulatory and quality requirements.

  8. Maintenance and Serviceability: Evaluate the ease of maintenance, availability of spare parts, and service support from the manufacturer to assess the long-term cost and operational efficiency of the valve.

  9. Cost and Value: Compare the initial cost of the valve with its features, performance, and expected lifespan to determine the overall value proposition for your specific application.

Considering these factors will help you select the most suitable lined plug valve for your industry and application requirements.