What did the operator do correctly when packing a modern gate valve?

When packing a modern gate valve, it's essential for the operator to ensure that the packing is applied correctly. By stating that the operator "did nothing wrong," it implies that all necessary precautions were taken during the packing process, which might include using the right amount of packing material, properly preparing the valve stem, and securing the gland correctly after assembly. This understanding would indicate that the operator demonstrates a clear grasp of valve maintenance practices, ensuring effective sealing and proper functionality of the valve without causing leaks or operational issues.

In the context of the packing process, it’s vital not to over-oil the packing, as excessive lubrication can lead to failure of the valve seals and unnecessary wear. Additionally, forgetting to tighten the gland can result in leaks or improper valve operation, while polishing the valve stem correctly ensures smooth operation and helps maintain the integrity of the packing material. Thus, ensuring that every step in the packing process is performed correctly contributes to optimal valve performance.