058628 – Dungs FRS-520 Gas Pressure Regulator, Inlet Pressure up to 5 PSI, Outlet Range 3" to 20" W.C., 1" NPT, Blue Spring With a 2″ BSP connection

With a 2″ BSP connection and 5 bar max pressure

232041) is a differential air pressure switch for monitoring low-pressure air or flue gas in HVAC and combustion systems

It maintains a constant gas-to-air ratio by matching outlet pressure to reference air pressure

222823) is a dual modular safety shut-off valve built for demanding gas combustion systems

058628 – Dungs FRS-520 Gas Pressure Regulator, Inlet Pressure up to 5 PSI, Outlet Range 3" to 20" W.C., 1" NPT, Blue Spring With a 2″ BSP connectionThe DUNGS FRS 520 (Part No. 058628) is a high precision gas pressure regulator designed for stable outlet control in commercial and industrial systems. With a max inlet pressure of 500 mbar and Rp 2 threaded connection, it ensures consistent performance under varying upstream conditions. Suitable for burners, boilers, and HVAC applications. Download Datasheet >>