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Hydraulic Servo Valves – S6 Pro

The Domin S6 Pro direct drive servo valve (DDV) has been designed to achieve the best characteristics from two competing valve technologies: fluid amplified EHSVs and DDVs. The S6 Pro has the size, mass, and dynamic capabilities of the most compact EHSV, and the low quiescent leakage and reliability of the best DDV. 

For applications requiring the results of the S6 Pro X, the S6 Pro model can be upgraded with a mounting plate adapter to achieve the same functionality. 

Discover Ultimate Power Density

Experience optimal performance without compromise. Whether in test simulation or industrial manufacturing, the S6 Pro ensures seamless operations and maximum productivity, thanks to its superior design and exceptional power density.

With the Domin S6 Pro, you get the best of both worlds: the size, mass, dynamic capabilities, and industry-leading power density of the most advanced two-stage valves, paired with low quiescent leakage and unwavering reliability. Experience effortless efficiency, precision and power with the Domin S6 Pro series.

Available on NG06 port pattern as standard.

Key Stats:

  • Hysteresis: <0.2%
  • Leakage: <0.3gpm (<1.1 l/min)
  • Mass: 1.21lbs (550g)
  • Frequency Response: >190Hz
  • Rated Flow: 5-16gpm (18-60 l/min)
  • Response Time: <3.5 ms

Key Features:

  • Onboard electronics with spool position feedback
  • Rated flow of up to 16gpm (60 l/min) (at 1,015 psi (70 bar))
  • Based on the NG06 port pattern
  • Bandwidth > 190 Hz (-3 dB, up to ± 25% FS)
  • Low power consumption of less than 5 W 
  • Chip shear capability of greater than 89lbf (400 N)
  • Low weight of less than 1.5lbs

Standard Modification Options:

  • Choice of rated flow up to 16gpm (60 l/min)
  • Multiple voltage or current control options
  • Various seal materials available
  • Non-standard configurations available

Domin is a supplier and servo valve manufacturer for various applications including die casting, injection molding, wood/timber machines, vibration equipment, metal processing, and simulation.


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