Pressure reducing valve type 536 DN 20 ( 3/4 inch) without pressure gauge. Max pressure: 25 bar (DVGW tested 16 bar). Output pressure: 1.5 to 6 bar adjustable. Max. working temperature: 30 degrees. Media: water. Body: sand-blasted brass (CW617N). Spring cover: impact-proof plastic. Installation length without screw connection: (DN 20 3/4 inch) 94 mm. Installation length with screw connection: (DN 20 3/4 inch) 151 mm. Height: (DN 20 3/4 inch) 132 mm.