12V Z80 4-Spool Hydraulic Monoblock Solenoid Control Valve | DC Directional Valve (Copy)
The RD5100 Hydraulic Monoblock Control Valve is a strong and reliable valve designed for construction and industrial machines. It handles high pressure up to 25MPa and a flow rate of 100LPM, making it perfect for smooth hydraulic control. Easy to operate with a lever and compatible with manual, pneumatic, or electric systems, this valve is built to last and works well in tough conditions. It’s a simple, effective choice for improving your machine’s performance.
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Product Inquiry
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Dimension(L*W*H)
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14*23*7
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Maximum Flow Rate
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100 L/min
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Maximum pressure
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25 Mpa
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Valve type
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Directional Control Valve
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Warranty
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1 Year
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Place of Origin
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Jiangsu, China
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Showroom Location
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None
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Weight
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7
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Brand Name
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Hy-Waloil
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Pressure
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Hydraulic
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Structure
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Tube
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Locating system
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RD5200 Moblock control valve
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Locating system
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Spring return,detent Control
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Port size
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G3/4, G1/2
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Flow rate
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100L/min
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Max Pressure
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25 Mpa
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Actuating method
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lever-operated
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Operating pressure
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3,000 psi
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Control Way
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Manual & pneumatic & electric control
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Widely Use
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Construction machinery hydraulic system
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Feature
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adopts parallel or oil circuit
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Product Description:
Reliable Hydraulic Control with RD5100 Monoblock Valve
If you need a strong and efficient hydraulic valve for your machinery, the RD5100 Hydraulic Monoblock Control Valve is a great choice. Designed for industrial and construction machines, this valve offers excellent control with a simple, sturdy build. Whether you’re upgrading your system or installing a new one, the RD5100 valve can meet your needs with ease and reliability.
Strong and Efficient Design for Tough Work
The RD5100 Hydraulic Monoblock Control Valve features a tough monoblock construction made from high tensile strength gray cast iron. This strong material ensures the valve lasts long and stands up to rough conditions. Because it’s a single block design, there are fewer leak points, which helps keep your hydraulic system running smoothly and safely.
This valve handles a maximum flow rate of 100 liters per minute and can work at pressures up to 25 MPa (around 3600 psi). This means it can support a wide range of machines, especially those used in construction, farming, or industrial operations.
Easy to Use and Flexible Control Options
One of the best things about the RD5100 valve is how easy it is to operate. It uses a single spool controlled by a lever, giving you straightforward and precise control over hydraulic flow. The valve is suitable for manual, pneumatic, or electric control, depending on your system setup.
Additionally, the valve supports a power beyond feature and closed center capability, making it flexible enough to fit many hydraulic designs. The handle is reversible, allowing for convenient operation from either side, which makes installation and use simpler.
Safety and Performance Features
This valve is built to keep your hydraulic system safe and efficient. It comes with a load check on each spool, which prevents unwanted flow and helps maintain system pressure during operation. There’s also a differential poppet style relief valve that you can adjust between 1500 and 3000 psi, protecting your system from pressure overload. For lower pressure needs, a version adjustable from 500 to 1500 psi is available.
The valve also offers optional hard-plated spools, which help reduce wear and extend the valve’s working life. This means your equipment stays reliable over time, even under heavy use.
Perfect for Construction and Industrial Machines
Many machines depend on reliable hydraulic valves for their operation. The RD5100 Hydraulic Monoblock Control Valve is ideal for loaders, excavators, and other construction equipment. Its simple yet strong design fits well in machines that need steady and reliable hydraulic control.
Because it supports flow rates up to 100 LPM and pressures up to 25 MPa, it’s a perfect match for systems where smooth and powerful movement is needed. You can control the valve manually or automate it with pneumatic or electric controls to fit your working style.
Easy Installation and Maintenance
The valve’s dimensions are compact—approximately 14 x 23 x 7 cm—and it weighs just 7 kg, making it easier to handle during installation. The valve uses standard ports such as G3/4 and G1/2, so it can connect smoothly to your existing hydraulic lines.
Thanks to the monoblock design, fewer parts mean less chance of leaks or failure. This also makes maintenance straightforward. If you need to service the valve, you won’t have to dismantle large parts of your hydraulic system. It saves time and helps keep your equipment working longer without interruptions.
Why Choose the RD5100 Hydraulic Monoblock Control Valve?
In summary, the RD5100 Hydraulic Monoblock Control Valve is a smart pick for anyone looking for a simple, strong, and reliable hydraulic control valve. It combines a heavy-duty build with easy control options and safety features to make your machine’s hydraulic system work better.
With its solid cast iron body, adjustable pressure relief, and flexible control methods, this valve offers smooth and steady hydraulic flow. It’s perfect for demanding environments where machines need to perform day after day without problems.
Warranty and Origin
You’ll get a 1-year warranty with the valve, which shows the confidence in its quality and performance. It is made in Jiangsu, China by Hy-Waloil, a trusted brand known for manufacturing hydraulic components that meet international standards.
Final Thoughts
If your equipment needs a reliable valve to control hydraulic flow with precision and strength, the RD5100 Hydraulic Monoblock Control Valve is an excellent option. It offers:
- Strong, single-block construction to avoid leaks
- Easy lever operation and multiple control options
- Adjustable pressure relief for safety
- Compatibility with various hydraulic circuits
- Compact size and simple installation
Upgrade your machine’s hydraulic system today with this dependable valve and enjoy smooth, controlled, and safe operations for years to come.




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