Hydraulic actuator position feedback for control and shutoff valves
The solution
Balluff's magnetostrictive linear position sensors are used in servo-hydraulic systems in nearly every industry. The special requirements of hazardous locations in oil & gas extraction, transportation, refining, and petrochemical processing require sensing products designed to withstand harsh environmental conditions, while at the same time meeting the certification and agency approval requirements of jurisdictions around the globe.
The features
- Flameproof / Explosion-proof protection method
- Non-contact, wear-free operation for long service life
- NEC, CEC, ATEX, IEC, and many other international approvals

Isolation and control valves used in oil and gas extraction, in refineries and in petrochemical plants