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Pilot-Operated Check Valves Professional Supplier In China

Pilot-Operated Check Valves

  • Operation: Block reverse flow by default but can be opened remotely using a pilot pressure signal.
  • Critical Feature: Controlled reverse flow on demand, enabling dynamic system adjustments.
  • Typical Use: Applications requiring precise control, such as locking hydraulic cylinders or emergency pressure release.

Applications

    • Hydraulic Cylinders: Ideal for equipment requiring position holding (e.g., construction machinery, industrial presses).
    • Safety Systems: Enables emergency pressure relief in critical circuits.
    • Energy Recovery: Redirects fluid to optimize energy use in complex hydraulic systems.

HydraFlu Hydraulics: Your Partner in Hydraulic Solutions

When it comes to top-quality hydraulic components, HydraFlu Hydraulics stands out as a leader in the industry. Located in Shanghai, China, HydraFlu specializes in designing and supplying high-performance hydraulic products tailored to diverse industries.

Why Choose HydraFlu Hydraulics?

  • Comprehensive Product Range
  • Expertise and Precision
  • Tailored Solutions
single pilot operated check valve

PCC.0830B

250 bar (3,600 Psi), 25 L/min, Ratio 3:1


PCC.1030B

250 bar (3,600 Psi), 30 L/min, Ratio 4:1


Unlock backflow only when needed (e.g., for system maintenance or emergency releases). Eliminates the need for manual intervention or system disassembly.

Double- Pilot operated Check-Valve

DCC.0840P

207 bar (3,000 Psi), 15 L/min, Ratio 3:1


DCC.1040P

240 bar (3,500 Psi), 30 L/min, Ratio 3:1


Securely locks hydraulic cylinders under load (prevents drift in cranes, presses, or lifts). Maintains position even during pressure drops.

2 Products Found.
Can a pilot-operated Check valve replace a standard check valve?

Yes, but it is recommended for systems requiring controlled reverse flow. For basic one-way flow, standard valves are more cost-effective.

What happens if pilot pressure fails?

The valve defaults to its closed state, blocking reverse flow to ensure system safety.

How do I troubleshoot a slow-opening valve?

Check for insufficient pilot pressure, clogged pilot lines, or worn components.

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