1) Size: 2.5"
2) PressureRange: From 30inHg to 550psi
3) Socket: Brass material
4) Thread: BSP, NPT, BSPT, PT, ZG, and other special specification
5) Bourdon Tube: Phosphor bronze or Stainless Steel material
6) Case : 304 St St material, back with screws
7) Bezel: 304 St St rolling ring
8) Window: PC lens
9) Dial Plate: Single , dual or three scales(Bar, Psi, Kg/cm2, Kpa, Mpa)
10) Accuracy: 3-2-3%,2.5%,1.6%
11) Movement: Steel or brass
12) Pointer: Aluminium
13) Flange: 304 St St material
14) Restrictor: Brass or St St material
15) Over Pressure: 130%
16) Connection Type: One connection sealed