... steel Case and stem 3.Bimetal with zero point adjustment at the back Temperature Pressure Thermometer Manometer Applications1.Chemical industry, ... pressure rating of stem:max. 25 bar, staticPermissible ambient temperature at case:+60 °C max. (others on request)Temperature limits ... 18", 24"l1 = 63, 100, 150, 225, 305, 380, 455, 610 mmDesign 1, plain stem (without thread)Stem length: I = 140 ...