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When a gate valve is actuated, the washer must withstand various forces, including pressure from the fluid flow and mechanical stress from the valve operation itself. Failure of the washer can lead to significant issues, including leaks, reduced flow control, and even complete valve failure. Therefore, selecting the right washer for a specific application is paramount to ensuring the overall performance and longevity of the gate valve.

When using cast iron manholes, many cities around the world rely on bolts [9] to cut down on manhole cover theft issues. However, when opting for a plastic manhole, fiberglass manhole, or composite manhole, it is still important to have a lock or security system in place to ensure your manhole remains secure [10] and safe in the case of a sewer or stormwater backup, vandalism, or even a truck tire knocking it out of place. There are a variety of systems [9] out there to ensure you manhole stays in securely in place.

Traffic Management

Encouraging Efficient Urban Planning