| Specification | Detail |
|---|---|
| Typical Dial Sizes | 2" (50mm), 2.5" (63mm), 4" (100mm) |
| Common Pressure Ranges | 0-300 psi, 0-25 bar (or dual-scale) for air/industrial use; Specific low ranges (e.g., 0-500 psi) for fire extinguishers. |
| Connection | Radial (Bottom) or Axial, typically with brass or stainless steel stem |
| Case Material | Polished Brass, Chrome-Plated Steel, or Stainless Steel |
| Window | High-Strength Plastic or Safety Glass |
| Dial | White with color zones; may include "FULL/REFILL" markings |