Case:              Ø2”(50mm),black steel
Bezel:              Black steel,push-on
Window:          Plastic
Pointer:           Black aluminium
Dial:                Aluminium
Bourdon tube: Phosphor bronze
Movement:      Brass
Wetted parts:  Brass
Type:              Bottom entry
Union:             3/4"MPT
Accuracy:       ±3-2-3% (ASME B40.100 Grade B)
Scale:             Single or double scales
Range:           0-160psi,0-300psi
Working pressure:Maximum 75% of full scale value