Diameters and cases: Ø63, case in shatterproof ABS, only on rear type.  Ø80, stove-enamelled presse metal case, for both rear and bottom types.
Stem: in turned brass.
Glass: shatterproof methacrylate ester with or without red maximum reference mark.
Dial: oven baked screen printed  aluminium. Custom designed dials can be supplied.
Scales: standard scales are: 0/120 °C for temperature; 0/2.5 - 0/4 - 0/6 - 0/10 bars for pression. Other scales on request.
Mechanism: manometer movement with bourdon type spring; thermometer movement with bimetallic spiral of precision for the rear type, with pressure-sensitive component in expansion of liquid for the radial type.
Sheath: brass, threded 1/2". It is equiped with a valve which allows the water throught only when the temperature gauge is completely screwed onto the sheath.