Models & options 
The netherlocks VPI is the most reliable position indicator for any type of multi turn or gearbox operated valve.
Models
A-Series; the high standard for onshore environments
A-Series position indicators are made of lightweight, high performance aluminium. They are protected by a solid powder coating.
S-Series; extremely durable for offshore and other corrosive environments
The VPI S-series are made of the best quality AISI 316 stainless steel.
Visual position indication
Check your valve position while standing next to your valve with the LED indicators. The LEDs clearly indicate which position the VPI signals to the control room.
Available in 2 sizes
- Small for valve spindle diameter < 27 mm
- Large for valve spindle diameter < 70 mm
Available with 4 standard switches/sensors
| Type | Brand | Model |
|---|---|---|
| NAMUR sensor | Pepperl+Fuchs | SC3.5-G-NO |
| Safety NAMUR sensor | Pepperl+Fuchs | NJ3-18GK-S1N |
| Dry contact switch | Omron | D2VW-01L2A-1M |
| Leverless limit switch * | Topworx Go switch | 74-1352H-S2 |
* For large model only
