Adjustable pressure reducer, membrane operation, with calibration knob. With internal inspectable and easily interchangeable cartridge, complete with removable filter. Suitable for conveying water. Brass body anti-dezincification (CR).Elastomer seals.Threaded MM UNI-EN-ISO 228 connections. Pressure gauge connection F 1/4". Nominal pressure 25 bar (cold water 40 °C) / 16 bar (hot water 80 °C) *Upstream pressure max 25 bar (cold water 40 °C) / 16 bar (hot water 80 °C)Adjustable downstream pressure 0,8 ÷ 7 BarMaximum operating temperature 80 °CFiltering degree 800 µmFactory setting 3 Bar