A lined valve can have a metal body and nonmetallic surfaces in contact with the process fluid. If the project specifies electrical continuity or static control, put those requirements in the valve inquiry so the supplier can review the exact construction.

Identify what must be checked. Ask the project engineer to identify which parts require continuity and which acceptance criteria apply. List the process fluid, service conditions and any site restrictions alongside the valve tag.

Describe the valve and piping interfaces. Include the proposed lining and seat materials, the connection style and any lined piping or insulating joints near the valve. Ask the supplier to identify which components and interfaces are covered by its proposal.

Request the evidence you need. If the project calls for a drawing or test record, specify the parts to be checked and the stage at which the check is required. Confirm the acceptance criteria with the project engineer before placing the order.

Use the Trekre lined valves and fluoropolymer options catalog to compare valve types and lining materials before requesting documentation for a specific model.