Electrical Feedback (EFB) Proportional Valves with Integrated Electronics and Flexible Options
This product family includes closed loop electro-hydraulic control servo and proportional valves with integrated electronics onboard (OBE) and electrical feedback using a spool position transducer.
- Offer very high accuracy and repeatability in controlling flow and pressure.
- Wide selection of models with Direct Drive and pilot-operated technologies and many sizes, fail-safe options, and certifications (e.g. ATEX, IECEx).
Product Line Models Serviced
- D633 and D634 Series Servo Valves(Flow Control Direct Drive Valves)
- D636 and D637 Series Servo Valves (Flow Control Direct Drive Valves)
- D638 and D639 Series Proportional Valves (Pressure and Flow (p/Q) Control, Direct Drive Valves
- D660 (D661,D662,D633, D634, D635) Series, Proportional Valves (Flow Control Pilot-Operated)
- D670 (D671, D672, D673. D674, D675) Series Servo and Proportional Valves(Flow Control Pilot Operated
- D791 and D792 Series Proportional Valves (Flow Control Pilot-Operated)
- D680 (D681,D682, D683, D684, D685) Series Proportional Valves (Flow Control Pilot Operated)
- D941 Series Proportional Valves (Pressure and Flow (p/Q) Control, Pilot Operated
D633, D634 D634P, D633K, D34K, D635K Series
- Catalog - Direct Drive Proportional Valves Series D633 and D634
- Catalog - D634-P Series Servo-Proportional Valves
- Data Sheet - D633/D634 Series Direct Drive Servovalves
- Manual - Explosion Proof Proportional Valves - D633K, D634K and D635K Series
- Installation Drawing - D633 Series Servovalves
- Installation Drawing - D634P Series Servo-Proportional Valves
