With liquid-illed case , For gaseous and liquid aggressive media, Process industry Laser welding Process connectionStainless steelLower mountNS 100, ,NPT1/2, 22 mm latsPressure element Stainless steel 316L < 100 bar: C-type / ≥ 100 bar: Helical typeMovement Stainless steelDial Aluminium, white, black letteringPointer Aluminium, blackCase Stainless steel, with pressure relief at case circumference ...