Safety relief valves are relatively maintenance-free devices. Even so, it is recommended that a periodic inspection of these devices be done every six to 12 months. A visual inspection should be made ...

In 1905, a boiler in a Boston shoe factory blew up, traveled a great distance through the air, and landed, with delightful justice, in the front yard of the operating engineer’s house. Think it got ...

For example, PRV — is it a pressure-reducing valve or a pressure-relief valve ... If the PDM is used to physically “lift” water, therefore overcoming atmospheric pressures, then it is considered a ...

SAN DIEGO (FOX 5/KUSI) — A pressure relief valve at a South Bay pump station built to capture ... According to the International Boundary and Water Commission, the leaking at the Hollister ...