Pressure Regulating Valves Regulation balancing Valve - T15 | Brandoni Regulation balancing Valve - T15 | Brandoni The Regulation Balancing Valve - T15 by Brandoni is a direct-acting, pressure-reducing valve designed for efficient pressure control in various systems. Constructed from sandblasted or nickel-plated brass, this valve is available in multiple versions to accommodate different pressure needs: the T15 B (PN15) with a gauge connection for sizes 3/8" to 3/4",... View ISO 228-1 PN 15 PN 25 DIN Brass CW 617N Brass DZR NBR