... and copper alloy. 2.Heating ,air-conditioning technology, pneumatics,air compressor, vacuum pump, pressure air regulating, testing equipment, medical sterilizer, ... reliable 2.Nominal size 40,50,63,80,100,160 3.Scale ranges up to 0 ... 400 barDescripation:Nominal size ... male), 22 mm flats Pressure element:Cu-alloy, ≤ 60 bar: C-type > 60 bar: Helical typeMovement:Cu-alloyDial:Aluminium, white, with ...