| Code | Variation |
| CPI2025 | Closed Position Indicator Switch Valve Size 1/2", 3/4" and 1" |
| CPI3240 | Closed Position Indicator Switch Valve Size 1.1/4" and 1.1/2" |
| CPI50 | Closed Position Indicator Switch Valve Size 2" |
| CPI6580 | Closed Position Indicator Switch Valve Size 2.1/2" and 3" Flanged |
| CPI100 | Closed Position Indicator Switch Valve Size 4" Flanged |
| CPI125150 | Closed Position Indicator Switch Valve Size 5" and 6" Flanged |