Models & options Valve positioning

The netherlocks VPI is the most reliable position indicator for any type of multi turn or gearbox operated valve.


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.

Valve Position Indicator Aluminum series

S-Series; extremely durable for offshore and other corrosive environments

The VPI S-series are made of the best quality AISI 316 stainless steel.

Netherlocks Valve Position Indicator

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

Netherlocks Valve Position Indicator