Caleffi Water Pressure Regulator 1/2 Inch DN15 Pressure Reducer for Water with able Cartridge and Pressure Gauge, Pressure Reducing Valve, PressureFeatures Caleffi 535040 Water Pressure Regulator with Pressure Gauge AG connections with screw connection max. Operating pressure on input side: 25 bar Max. Operating pressure on output side: 1 to 6 bar certified according to EN 1567 With pressure gauge 0 10 bar connection at the bottom mesh density 0. 51 mm International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of