Is a bypass required when installing a pressure reducing valve (PRV)?

When it comes to the installation of a pressure reducing valve (PRV), a bypass is not typically required. A pressure reducing valve is designed to control and reduce the incoming high pressure from the supply line to a lower, more manageable pressure for downstream systems.

Having a PRV allows for a streamlined process in managing pressure without the need for a bypass. A bypass is generally not necessary because the PRV itself regulates flow and pressure effectively. If a bypass were mandatory, it could complicate the system design and installation without providing additional benefits for most standard applications.

In certain specific scenarios or systems (such as where maintenance and serviceability are more complex), engineers might choose to install a bypass. However, this is not a standard requirement and often depends on individual system configurations and operational needs. Generally, the streamlined approach of simply using a PRV without a bypass is suitable for the majority of installations.