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Key Questions:

Key Considerations for Lever Operated Butterfly Valves

When selecting or buying lever-operated butterfly valves, there are several key considerations to keep in mind:

  1. Valve Size and Pressure Rating: Ensure that the valve size matches the requirements of your system, and consider the pressure rating needed for your application.

  2. Valve Material: Choose a material that is compatible with the fluid being handled and suitable for the operating conditions (e.g., temperature, pressure, corrosiveness).

  3. Sealing System: Check the type of sealing system used in the valve (e.g., elastomer, metal-to-metal) and ensure it meets the requirements of your application for tight shut-off and minimal leakage.

  4. Connection Type: Consider the connection type required for installation, such as wafer, lug, or flanged ends, and ensure compatibility with your existing piping system.

  5. Actuation Type and Operation: In this case, you are looking for a lever-operated butterfly valve, so ensure that the lever mechanism is robust, easy to operate, and provides the necessary control over the valve position.

  6. Performance Specifications: Look at the flow coefficient (Cv), rangeability, and other performance specifications to ensure the valve meets the required flow characteristics and control needs.

  7. Compliance and Certifications: Check if the valves comply with relevant industry standards (e.g., API, ASME, ISO) and if they have necessary certifications for the application (e.g., fire-safe, ATEX).

  8. Manufacturer Reputation: Consider the reputation and track record of the manufacturer in providing high-quality valves, reliable performance, and good customer support.

  9. Price and Cost of Ownership: Compare pricing among different suppliers, but also consider the total cost of ownership, including maintenance, operating costs, and lifecycle expectancy.

By carefully considering these factors, you can select lever-operated butterfly valves that best suit your specific requirements and ensure optimal performance in your application.