Popular pressure gauge / vacuum gauge / compound gauge are suitable for measurement of air pressure, water pressure, vacuum, town gas, etc. purposes.
Model : P-A, bottom,
Model : C-A, compound, bottom,
Model : P-B, bottom with flange,
Model : V-B, vacuum, bottom with flange,
Model : P-AD, back,
Model : P-BD, back with flange.
Diameter : 1.5" (40 mm), 2" (50 mm), 2.5" (60 mm), 3" (75 mm), 4" (100 mm), 5" (125 mm), 6" (150 mm).
Material : steel case / plastic case,    brass connection.