7MF9412-1B-2-valve block for mounting in a protective box, stainless steel material. steel 1.4404, max. working pressure 420 bar, process connection-internal thread 1/2-14 NPT, connection to the pressure Converter cap nut G1 / 2, EQUIPMENT DIREKTIVE F. GAS 1/LIQUIDS 1 ART. 3.3 SEP