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Key Questions:

Product Selection Differences for Internal Tank Plug Valves, Liquid Storage

When selecting internal tank plug valves for liquid storage applications, there are several key differences to consider among the available options:

  1. Materials of Construction: Depending on the type of liquid being stored, the valves must be compatible with the chemical composition to prevent corrosion or contamination. Common materials include stainless steel, carbon steel, and various alloys.

  2. Valve Size and Pressure Rating: The size of the valve should be appropriate for the flow rate and pressure requirements of the application. Ensuring that the valve's pressure rating exceeds the operating pressure is crucial for safety and performance.

  3. Valve Type: Different types of plug valves are available, such as lubricated plug valves, non-lubricated plug valves, and eccentric plug valves. Each type has specific features and applications, so selecting the right type is important.

  4. Sealing Mechanism: Plug valves can have different sealing mechanisms, such as elastomer seals, metal seals, or a combination of both. The right sealing mechanism should be chosen based on the liquid properties and operating conditions.

  5. Actuation Method: Plug valves can be manually operated or automated using pneumatic, electric, or hydraulic actuators. The choice of actuation method depends on factors like frequency of operation, efficiency requirements, and control system compatibility.

  6. Maintenance Requirements: Consider the maintenance requirements of the valve, including ease of access for servicing, availability of spare parts, and overall durability. Low-maintenance valves can reduce downtime and maintenance costs.

  7. Compliance and Certifications: Ensure that the selected valve meets industry standards and certifications for safety, quality, and environmental regulations. Compliance with standards like API, ANSI, or ISO is essential for ensuring reliability and performance.

By carefully evaluating these key differences and matching them with your specific requirements, you can select the most suitable internal tank plug valve for your liquid storage application.