Working pressure: steady: 75% of full scale value, Working temperature range : ambient: -25C a 65C, Overpressure: 25% 100bar, Casing body: liquid filled in stainless steel case with safety vent. Band ring: stainless steel AISI 304, Fissing flange: stainless steel AISI 304 with 3 holes, Dial: white painted aluminium with indelible black and red graduation MCS green mark, Needle: black painted aluminium, Transparent cover: polycarbonat, Connection: brass for pressure up to 600bar