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30SD08-21 Solenoid Directional Valve

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30SD08-21 Solenoid Directional Valve

It is introducing the 30SD08-21 solenoid directional valve—a cutting-edge hydraulic component designed to deliver precise control and efficient operation in various industrial applications. With its advanced features, reliable performance, and robust construction, this valve offers an optimal solution for directing hydraulic fluid flow.

The 30SD08-21 solenoid directional valve offers precision control and efficient operation for hydraulic systems. With its versatile functionality, high flow capacity, quick response time, and robust 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 30SD08-21 solenoid directional valve and experience enhanced control, reliability, and productivity.

30SD08-21 Solenoid Directional Valve Characteristics:

  1. Versatile Functionality:
  • The 30SD08-21 solenoid directional Valve offers versatile functionality, making it suitable for various hydraulic applications.
  • It enables precise fluid flow control, allowing efficient operation and improved system performance.
  1. High Flow Capacity:
  • With its high flow capacity, this valve can handle substantial fluid volumes, making it ideal for applications that require large flow rates.
  • The valve’s 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. Robust Construction:
  • The 30SD08-21 solenoid directional valve is built to withstand harsh operating conditions and provide long-lasting performance.
  • Its sturdy construction and high-quality materials ensure durability, minimizing downtime and reducing maintenance requirements.

30SD08-21 Solenoid Directional Valve Parameter:

Rated pressure 207 bar(3000 psi)
Peak flow See performance chart
Fluid Mineral-based or synthetics with lubricating properties
Rango de temperatura del fluido ℃ -54 a 107 ℃ (Juntas de poliuretano)
-40 a 100 ℃ (Juntas de Buna N)
-26 en 204 ℃ (Juntas de fluorocarbono)
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)

30SD08-21 Solenoid Directional Valve Advantages:

• Continuous-duty rated coil
• Efficient wet-armature construction
• 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 30SD08-21 Solenoid Directional Valve:

  1. System Evaluation:
  • Begin by evaluating your hydraulic system’s requirements, including flow rate, pressure, and system dynamics.
  • Determine if the 30SD08-21 solenoid directional valve aligns with the specific needs of your system.
  1. Valve Selection:
  • Select the appropriate variant of the 30SD08-21 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 valve mounting.
  • 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 Replace Shower Valve Cartridge?

Replacing a shower valve cartridge is a common maintenance task that can restore proper functioning to your shower. Follow the step-by-step instructions below to successfully replace a shower valve cartridge:

  1. Gather The Necessary Tools And Materials:
    • Replacement shower valve cartridge
    • Adjustable wrench or pliers
    • Screwdriver (Phillips or flathead, depending on your specific shower valve)
    • Plumbing grease or lubricant
    • Towels or rags to catch any water or debris
  2. Turn Off The Water Supply:
    • Locate the main water shut-off valve for your home and turn it off to stop the water supply to the shower.
    • Open the shower faucet to drain any remaining water in the pipes.
  3. Remove The Handle:
    • Depending on the type of shower handle you have, you may need to remove a decorative cap or cover to access the handle screw.
    • Use a screwdriver to remove the screw holding the handle in place.
    • Gently pull the handle away from the wall to detach it from the valve.
  4. Remove The Trim Plate Or Escutcheon:
    • The trim plate covers the valve assembly and is usually held in place by screws.
    • Unscrew and remove the trim plate to expose the valve cartridge.
  5. Remove The Old Cartridge:
    • Look for a retaining nut or clip securing the cartridge in place.
    • Use pliers or an adjustable wrench to loosen and remove the retaining nut or clip.
    • Once the retaining mechanism is removed, carefully pull the old cartridge straight out of the valve body.
    • Note the orientation of the cartridge for proper installation of the replacement.
  6. Install The New Cartridge:
    • Apply a thin layer of plumbing grease or lubricant to the o-rings of the new cartridge to ensure smooth operation.
    • Insert the new cartridge into the valve body, aligning it with the same orientation as the old cartridge.
    • Firmly push the new cartridge into place until it is fully seated.
  7. Reassemble The Valve:
    • Replace the retaining nut or clip to secure the new cartridge in place.
    • Reattach the trim plate or escutcheon and tighten the screws to hold it securely.
    • Slide the shower handle back onto the valve stem and tighten the handle screw to secure it.
  8. Turn on the water supply:
    • Slowly turn on the main water supply valve for your home to allow water to flow back into the shower.
    • Check for any leaks around the valve and handle. If you notice any leaks, tighten the necessary connections or seek professional assistance.
  9. Test The Shower:
    • Turn on the shower and check for proper water flow and temperature control.
    • Adjust the handle as needed to achieve the desired water temperature and flow.

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.



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