A Pressure Reducing Valve (PRV) is a type of valve that reduces a higher upstream pressure to a stable lower downstream pressure, irrespective of fluctuating demand or changing upstream pressure. These are essential in various settings, from municipal networks to high-rise buildings, ensuring protection against overpressure and maintaining sufficient pressure for effective use.

Water from city mains tends to be at high pressure, and can often fluctuate. Pressure reducing valves (PRV) reduce water pressure to a more suitable level, and help to regulate the pressure regardless of any fluctuations. See Bermad’s pressure reducing valves below.

PRVs can be mechanical, electronic, or hydraulic. Bermad specialises in fully automatic hydraulic PRVs, which are particularly efficient in managing variable flows and pressures.

Dielectric unions are essential components designed to safeguard your piping system from accelerated corrosion and deterioration caused by galvanic and stray currents, especially when pipes are constructed from dissimilar metals. This innovative solution comprises a union nut, two tail-pieces, a gasket, and a sleeve meticulously crafted to isolate the tail-pieces, effectively preventing the occurrence of electric currents.

Protect your investment and extend the lifespan of your piping system by integrating dielectric unions strategically. These versatile components serve as a crucial defense against corrosive forces, making them a wise choice for any plumbing project. Whether you’re a professional contractor or a homeowner, consider adding dielectric unions to your arsenal to ensure the long-term integrity of your plumbing network. Trust in their effectiveness and secure your pipes from the corrosive effects of dissimilar metals and stray currents.

Municipal Systems: PRVs are crucial at the start of pressure zones or DMAs (District Metering Areas) to protect downstream equipment and household plumbing while ensuring reliable pressure for users. Irrigation: In agriculture, PRVs manage the water pressure for drip systems, pivot irrigation machines, and lower elevation fields to prevent damage and ensure efficient water distribution. High-Rise Buildings: Installed on each floor or every few floors, PRVs safeguard internal plumbing and fittings from excessive pressure, promoting longevity and safety.

A pressure reducing valve operates through a pressure reducing pilot that senses and adjusts to downstream pressure. The pilot commands the valve to adjust—throttling or closing when pressure exceeds a set point and opening when it falls below, ensuring consistent output regardless of external changes.

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Ideal for a wide array of applications, including commercial and residential settings, dielectric unions are particularly well-suited for use in hot water storage tanks, chilled water processing tanks, steam systems, gas pipelines, FCU’s, AHU’s, and various other water piping applications. By installing these unions, you ensure the longevity and reliability of your plumbing infrastructure.

The choice of PRV depends on the specific needs of the application—considering factors like flow patterns, pipe characteristics, and system demands. Options vary from full bore designs for minimal pressure loss to specialized models designed to handle low flows or reduce cavitation.