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Domin Valves

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World's Smallest Direct Drive Valve

The S4 Pro delivers unmatched control in the smallest package available. With a 12.2 mm port circle and weight under 300g, it enables precision control where every millimetre matters.
Trusted in robotics, motorsport and compact industrial systems, the S4 Pro brings proven Domin reliability and performance into space-constrained environments.
Available on S01 port pattern as standard.

Technical Specifications

Size

S01

Rated Flow

0.5-18 l/min

Frequency Response

200 Hz

Response Time

<3 ms

Electronics

Onboard

S4 Pro web

Discover Ultimate Power Density

The S6 Pro combines exceptional power density with proven reliability, making it the benchmark valve across industrial manufacturing, test rigs and demanding automation systems.
It delivers the size, mass and dynamics of the best two-stage valves with the simplicity and low leakage of direct drive technology. Customers benefit from consistent performance, extended service life and reduced downtime.
Available on NG06 port pattern as standard. S04 adaptor also available.

Technical Specifications

Size

NG06 (CETOP 03)

Rated Flow

10-63 l/min

Frequency Response

>250 Hz 

Response Time

<3.5 ms

Electronics

Onboard

S6 Pro

Unrivalled Performance and Efficiency for High Flow Applications

The S10 Pro is the most efficient direct drive valve for high-flow applications, delivering up to 250 lpm while maintaining pressure and reliable operation under continuous duty cycles.
Compact and lightweight, it replaces bulky traditional servo proportional valves while sustaining bandwidth and reliability under demanding conditions. Perfect for presses, power generation and large-scale test systems, it enables more throughput with less energy and less weight.
Available on NG10 port pattern as standard.

Technical Specifications

Size

NG10, S77

Rated Flow

50-250 l/min

Frequency Response

>150 Hz

Response Time

<7 ms

Electronics

Onboard

S10 Pro web

Available for Pre-Order

Compact Power, Proven Reliability

The Domin S12 Pro is the next evolution in high-performance, high-flow hydraulic valves. Building on the proven reliability of the S6 Pro, which is now used as the first stage for the most advanced two-stage NG16 valve in the world, the Domin S12 Pro delivers unmatched performance with the same trusted dependability. Combining high flow, excellent dynamics, proven reliability, and low power consumption, the S12 Pro sets a new benchmark in demanding applications.

Domin Valves

Do More With Less

Set new standards in power density and dynamic performance without compromise to cost, efficiency and reliability.

More Durable Design

Domin’s direct drive architecture removes pilot leakage and uses optimised flow paths for extended service life. Built for extreme environments, our valves run longer between maintenance intervals, reducing interventions and lowering the total cost of ownership.

Less Down Time

Domin Valves are designed to keep systems running. By amplifying motor torque to the spool, they resist particulates and contamination that would stop traditional valves. From timber mills to die casting and heavy industry, customers see consistent reliability and fewer unplanned stoppages.

More Energy Savings

Domin Valves minimise energy losses, cutting continuous power consumption in operation. Replacing a conventional two stage NG06 valve with a Domin alternative can save over $400 per year in energy costs and avoid one tonne of CO₂ emissions.

Less Waiting

With Lead Time Zero, Domin Valves are available when customers need them. Immediate stock, standard port patterns, and drop-in replacements mean faster upgrades and reduced project risk, without the delays that come with legacy suppliers.

A Detailed Look

Domin Valves are a new class of hydraulic servo valves that set a higher benchmark for efficiency, reliability, and performance. By combining the precision and responsiveness of two-stage designs with the robustness, simplicity, and safety of direct drive, our valves deliver the best of both worlds without compromise.

Proven in the most demanding environments and available immediately through Lead Time Zero, Domin Valves help customers across industries achieve more performance, more uptime and more certainty, while reducing cost, waste and waiting.

Dominating Miniaturisation

Our slim on-board electronics enable valuable weight and space savings.

Proprietary control algorithms optimise performance by minimising overshoot and maximising responsiveness.

Unmatched Power Delivery

Highly compact three-phase brushless DC motors deliver exceptional force output for a given electrical input, ensuring precise control even under high pressures and frequencies.

Revolutionising Precision

Traditional linear transducers are bulky and cumbersome. Domin utilises ultra lightweight magnetic hall-effect sensors that offer unparalleled resolution and control accuracy.

Pioneering Additive Manufacturing

This patented process for servo valve manufacture allows for ultra-compact design and unprecedented capabilities.

S4 Pro Web
Rated Flow (0.5-18 l/min)

The world’s smallest direct drive valve, delivering precise control in robotics, motorsport and compact industrial systems.
S6 Pro
Rated Flow (10-63 l/min)

The benchmark Domin valve, combining high power density, low leakage and proven reliability for manufacturing, test rigs and automation.
S10 Pro web
Rated Flow (50-250 l/min)

The most efficient direct drive valve for high-flow applications, sustaining 250 lpm with proven reliability and reduced energy use.
S4 Pro Web
Rated Flow (0.5-18 l/min)

The world’s smallest direct drive valve, delivering precise control in robotics, motorsport and compact industrial systems.
S6 Pro
Rated Flow (10-63 l/min)

The benchmark Domin valve, combining high power density, low leakage and proven reliability for manufacturing, test rigs and automation.
S10 Pro web
Rated Flow (50-250 l/min)

The most efficient direct drive valve for high-flow applications, sustaining 250 lpm with proven reliability and reduced energy use.
Rated Flow (250-660 l/min)

Compact and powerful, the S12 Pro brings trusted Domin performance to high-flow, high-power systems such as presses, turbines and test rigs.
Speech marks blue
Eliminated downtime.
Our customer in the aluminium sector switched their Moog 73 to S6 Pro Domin Valve, eliminating downtime and product losses with stable, adjustment-free control.
S.G.D. Engineering
Speech marks blue
The Efficient Upgrade to Pro Performance
We have evaluated the Domin S6 Pro X and have been impressed with the low phase shift, response time, and Domin’s customer support. We are looking forward to working on more opportunities in the field.
R&D Manager - Servotest Systems
Speech marks blue
Saving money with better performance
We’ve been waiting a long time for an extremely rugged servo valve that holds up in the forest industry. We didn’t expect this valve to be so cost-effective and handle extreme vibration at high cycle rates. With a very small footprint and as a seamless upgrade for Bosch, Moog, Parker, and Woodward. We now stock several valves for a wide range of applications. Saving money with better performance.
Sales Manager, Peerless Engineering
Speech marks blue
Much better than the Moog D633.
The valve was within specs (in terms of pressure drop and response time) and was much better than the Moog D633. This is very good news for the future tests we will be performing.
Head of R&D, PYTHEAS Technology
Speech marks blue
The valve performance & durability is unmatched.
Domin’s customer service is the only thing that outshines the performance of the valves. The valve’s performance, configurability & durability is simply unmatched. We’ve been able to replace several OEMS valves with a single Domin valve. We’ve put the Domin into our harshest applications & it performed flawlessly.
Vice President, The Servo Group
Speech marks blue
Best servo valve we have ever seen!
The Domin S6 Pro servo valve is the best servo valve we have ever seen. It has an incredible response time and is unbelievably tiny.
Technical Manager, Careful Hydraulics and Electronics

Pushing The Boundaries With INEOS Britannia

The partnership boasts a formidable resource in design and engineering, and while it’s impossible to overturn every stone on the expansive ‘beach’ of performance potential, a lot more opportunities can be evaluated effectively by the new team.

Test and Simulation Innovation:Elevating Test Bench Dynamics

DTSquare embarked on a project aimed at evaluating drive components subjected to multifaceted forces – rotational, axial, and lateral. This test bench aimed to evaluate drive components subjected to complex combinations of forces. Central to its operation was the integration of high-performance servo valves provided by Domin.

Testing Domin Valves with Delta Motion

Delta Motion is a well-regarded company that publishes valve test results and uses them to recommend specific valves based on customer needs. Testing Domin valves would provide Domin with additional credible third-party data from a trusted source.

Visi-Trak: A Partnership for Success for the Die-casting Industry

Visi-Trak was looking for a new partner to manufacture high-performance and affordable servo valves. They were introduced to Domin and were impressed with how they use advanced engineering processes to design and manufacture compact and powerful valves.
Domin Valves

Answering Your Questions

Customers often want to understand how Domin Valves perform in specific applications and what makes them different from traditional hydraulic valves. Our FAQ section brings together the most common questions with clear, straightforward answers, and the Ask Domin series provides deeper insights for those who want to explore further.

You may need to know

Frequently Asked Questions

How Easy is it to Upgrade to Domin Valves?
Upgrading to Domin valves is straightforward and hassle-free. Our valves are designed to be interchangeable with the commonly used ones in existing applications, fitting popular port patterns such as S01, S04, NG06, and NG10. This compatibility ensures an easy plug-and-play upgrade process.
Domin valves combine the advantages of both servo and proportional technologies. Servo valves are known for their compact size and dynamic response, suitable for simulation and testing. Proportional valves are robust and reliable, ideal for industrial uses like processing and moulding. Our innovative design marries the high performance of servo valves with the durability of proportional valves for versatile applications.

Additive manufacturing enables precise design and production, allowing us to optimise flow channels using advanced simulation techniques. This achieves minimal pressure drops and enhanced flow efficiency. By printing only the necessary material, we reduce waste significantly. The result is ultra-compact valves that are optimised for flow, weight, and size, delivering superior performance.

Domin valves excel in harsh environments, designed to withstand high shocks, vibrations, and temperatures. Our design process eliminates common failure points seen in competitive products, such as small control orifices and seals vulnerable to high-pressure. Our powerful drives increase contamination resistance, ensuring our valves perform reliably and accurately over their lifespan.

Learn More About Domin

Whitepaper

Transforming Motion Control

A Revolution in Hydraulic Systems

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