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30SD08-20 Solenoid Directional Valve

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30SD08-20 Solenoid Directional Valve

The 30SD08-20 solenoid directional valve is a cutting-edge hydraulic component designed to provide precise control and efficient operation in a wide range of industrial applications. With its advanced features, reliable performance, and robust construction, this valve offers an optimal solution for directing hydraulic fluid flow.

The 30SD08-20 solenoid directional valve offers precise control and efficient operation for hydraulic systems. With its versatile functionality, high flow capacity, quick response time, and durable construction, this valve provides optimal fluid flow control, enhancing system performance and productivity. By following the recommended usage methods and maintenance guidelines, you can maximize the potential of this valve and achieve improved efficiency in your hydraulic applications. Upgrade your hydraulic system today with the 30SD08-20 solenoid directional valve and experience enhanced control and reliability.

30SD08-20 Solenoid Directional Valve Key Characteristics:

  1. Versatile Functionality:
  • The 30SD08-20 solenoid directional Valve offers versatile functionality, making it suitable for various hydraulic applications.
  • It enables the precise control of fluid flow, allowing for efficient operation and enhanced system performance.
  1. High Flow Capacity:
  • With its high flow capacity, this valve can handle substantial fluid volumes, making it ideal for applications requiring large flow rates.
  • Its ability to accommodate high flow rates ensures efficient and reliable operation, even in demanding industrial environments.
  1. Quick Response Time:
  • The solenoid technology incorporated in this valve ensures a rapid response time, enabling swift and accurate control of hydraulic fluid flow.
  • The quick response time enhances system efficiency and enables precise adjustments during operation.
  1. Durable Construction:
  • The 30SD08-20 solenoid directional Valve is built to withstand harsh operating conditions and provide long-lasting performance.
  • Its robust construction and high-quality materials ensure durability, minimizing downtime and reducing maintenance requirements.

30SD08-20 Solenoid Directional Valve Parameter:

Rated pressure 207 bar(3000 psi)
Peak flow See performance chart
Fluid Mineral-based or synthetics with lubricating properties
Fluid temperature range ℃ -54 to 107 ℃ (Polyurethane seals)
-40 to 100 ℃ (Buna N seals)
-26 to 204 ℃ (Fluorocarbon seals)
Viscosity range 7.4 to 420 mm2/s
Degree of contamination The minimum pollution level is ISO4406 level 20/18/14, and level 17/15/13 is recommended to prolong the service life
Internal Leakage ≤ 0.15 mL/min (3 drops/min) @207bar
Cavity VC08-2
Coil Duty Rating Continuous from 85% to 115% of nominal voltage
Initial Coil Current Draw at 20℃ 1.4A at 12VDC; 0.7A at 24VDC
Minimum pull-in voltage 85% of nominal at 207 bar (3000 psi)

30SD08-20 Solenoid Directional Valve Advantages:

• Continuous-duty rated coil
• Cartridges are voltage interchangeable
• Optional waterproof E-Coils rated up to IP69K
• Industry common cavity
• Hardened parts for long life and low leakage

Usage Method Of 30SD08-20 Solenoid Directional Valve :

  1. System Evaluation:
  • Begin by evaluating your hydraulic system’s requirements, taking into account factors such as flow rate, pressure, and system dynamics.
  • Determine if the 30SD08-20 solenoid directional valve aligns with the specific needs of your system.
  1. Valve Selection:
  • Select the appropriate variant of the 30SD08-20 solenoid directional valve based on your system parameters and performance requirements.
  • Consider factors such as flow capacity, pressure ratings, and compatibility with other system components for optimal functionality.
  1. Installation:
  • Follow the manufacturer’s installation instructions carefully to ensure proper placement and secure mounting of the valve.
  • Position the valve correctly within the hydraulic system, considering factors such as fluid flow direction and accessibility for maintenance.
  1. Electrical Connections:
  • Connect the solenoid valve to the appropriate power source according to the manufacturer’s specifications.
  • Ensure that the electrical connections are secure and comply with safety standards.

How To Change A Shower Valve Cartridge?

Changing a shower valve cartridge is a relatively straightforward process that can help resolve issues such as leaks, inconsistent water temperature, or low water pressure. Here’s a step-by-step guide on how to change a shower valve cartridge:

  1. Gather The Necessary Tools And Materials:
    • Replacement shower valve cartridge
    • Adjustable wrench or pliers
    • Screwdriver (if required)
    • Pipe thread tape or plumber’s putty (if needed)
    • Towels or rags
  2. Turn Off The Water Supply:
    • Locate the main water supply valve for your shower and shut it off. This valve is typically found near the water meter or in the basement.
  3. Prepare The Work Area:
    • Lay towels or rags in the shower to catch any water or debris that may fall during the process.
    • Remove any shower handles or trim covers to access the valve cartridge. This may involve unscrewing or prying off the cover, depending on the specific shower model.
  4. Remove The Existing Cartridge:
    • Use an adjustable wrench or pliers to loosen and remove the cartridge retaining nut.
    • Once the nut is removed, carefully pull out the old cartridge from the valve body. In some cases, you may need to use a screwdriver to gently pry it loose.
  5. Install The New Cartridge:
    • Take the replacement cartridge and align it with the valve body, ensuring that any tabs or grooves match up.
    • Push the cartridge firmly into the valve body until it is fully seated.
  6. Reassemble The Shower:
    • Place the cartridge retaining nut back onto the valve body and tighten it securely with an adjustable wrench or pliers. Be careful not to overtighten, as it may damage the cartridge or valve.
    • Reattach the shower handle or trim cover, securing it in place according to the manufacturer’s instructions.
  7. Turn On The Water Supply:
    • Slowly turn the main water supply valve back on and allow the water to flow through the shower to check for any leaks or issues.
    • If you notice any leaks, tighten the cartridge retaining nut slightly until the leak stops. Be cautious not to overtighten.
  8. Test The Shower:
    • Turn on the shower and verify that the water flows properly, adjusting the temperature and pressure as needed.
    • Check for any leaks around the cartridge or handle and make any necessary adjustments or repairs.

Capability & Capacity Of Factory:

(1) Assembly

We have a first-class independent research and development assembly platform. The hydraulic cylinder production workshop has four semi-automatic lifting cylinder assembly lines and one automatic tilt cylinder assembly line, with a designed annual production capacity of 1 million pieces. The special cylinder workshop is equipped with various specifications of a semi-automatic cleaning assembly system with a designed annual production capacity of 200,000 and equipped with famous CNC machining equipment, a machining center, a high-precision cylinder processing special equipment, a robot welding machine, an automatic cleaning machine, automatic cylinder assembly machine, and automatic painting production line. Existing critical equipment of more than 300 sets (sets). The optimal allocation and efficient use of equipment resources ensure the accuracy requirements of products and meet the high-quality needs of products.

(2) Machining

The machining shop is equipped with a customized inclined rail turning center, machining center, high-speed honing machine, welding robot, and other related equipment, which can handle the processing of cylinder tubes with a maximum inner diameter of 400mm and a maximum length of 6 meters.

(3) Welding

(4) Painting & coating

With small and medium-sized cylinder automatic water-based paint coating lines, to achieve automatic robot loading and unloading and automatic spraying, the design capacity of 4000 pieces per shift;
We also have a semi-automatic paint production line for large cylinders powered by a power chain, with 60 cases per shift design capacity.

(5) Testing

We have first-class inspection facilities and test beds to ensure that the performance of the cylinder meets the requirements.



We are one of the best hydraulic cylinder manufacturers. We can offer comprehensive hydraulic cylinders. We also provide corresponding agricultural gearboxes. We have exported our products to clients worldwide and earned a good reputation because of our superior product quality and after-sales service. We welcome customers at home and abroad to contact us to negotiate business, exchange information, and cooperate with us!


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