A Detailed Look

S4 Pro

Driving Perfect Balance

S4 Pro

World's Smallest Direct Drive Valve

As the smallest direct drive valve in the world, the S4 Pro is a true game-changer. With its miniature port circle of 12.2 mm and weight of less than 300g, it’s perfectly suited for applications where space is limited but performance is paramount.
From demanding industrial settings to cutting-edge robotics and motorsport applications, the S4 Pro excels. Delivering superior performance, dynamics, and reliability in an ultra-compact package, it introduces a new era of control and productivity with the Domin S4 Pro series.

Available on S01 port pattern as standard.

S4 Pro Web

Key stats for the S4 Pro

Hysteresis

<1%

Leakage

<0.45 l/min

Mass

290g

Frequency Response

>200Hz

Rated Flow

0.5-18 l/min

Response Time

<3 ms

S4 Pro Common Applications

Car icon
Automotive / Motorsports
Aerospace icon
Aerospace
Animatronics icon
Animatronics
Simulation icon
Simulation
Robotics icon
Robotics
Marine Logo
Marine

Upgrades

Star 300
Lower Leakage
0 %
Bosch 4WRPEH6
Faster Step Response
0 %
Woodward 27A
Lighter
0 %

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S10 Pro web

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Fluid Power and Technical Specialist, Motion Industries

Experience the Difference.