1. A pressure relief valve (PRV) protects equipment by automatically opening to vent process media when the pressure in the inlet nozzle overcomes the downward force of the spring.

After writing a blog post about leaking temperature and pressure relief (TPR) valves at water heaters, I learned that this particular issue seems to completely befuddle folks. In the two years ...

If a pressure relief valve for a boiler is accidentally installed on a water heater, it will leak like crazy from the start. These valves may look identical, but they're set to go off at 30 psi ...

In steam boiler applications, pressure relief valves (PRVs) are the silent sentinels — the last line of defense against potentially disastrous overpressure situations. In a perfect world, boiler ...

You can take a hands-off approach to plumbing, but your wallet may suffer. Here's what to know about pressure-reducing valves and if they can save you money.

“Pressure relief valves positioned on either the suction or discharge sides are not notably distinct, aside from their designated pressure ratings,” said Aschow. “Currently, there exists a substantial ...

A one-time relief valve, sometimes called a “fusible plug,” is normally constructed from a fitting with a drilled hole filled in with a low-temperature, solder. At a specific temperature the solder ...

For the past 15 years, pilot-operated safety relief valves (POSRVs) have effectively and reliably protected economizers on Section I power boilers in overpressure situations, working in tandem ...

Drilling a 1 / 8-in. hole (or slightly larger) through the swing-check breaks the water seal by removing any pressure differential, which allows the gate to swing freely. It also acts as a governor to ...