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Threlaco Double Pilot Operated Hydraulic Check Valve, #8 SAE Ports, 20 GPM, 3/4"-16 NPT, 26 GPM, 3000 PSI Max, Crack Pressure of 70 PSI, Anodized Aluminum Body in Saudi Arabia Threlaco Double Pilot Operated Hydraulic Check Valve, #8 SAE Ports, 20 GPM, 3/4"-16 NPT, 26 GPM, 3000 PSI Max, Crack Pressure of 70 PSI, Anodized Aluminum Body in Saudi Arabia Threlaco Double Pilot Operated Hydraulic Check Valve, #8 SAE Ports, 20 GPM, 3/4"-16 NPT, 26 GPM, 3000 PSI Max, Crack Pressure of 70 PSI, Anodized Aluminum Body in Saudi Arabia Threlaco Double Pilot Operated Hydraulic Check Valve, #8 SAE Ports, 20 GPM, 3/4"-16 NPT, 26 GPM, 3000 PSI Max, Crack Pressure of 70 PSI, Anodized Aluminum Body in Saudi Arabia Threlaco Double Pilot Operated Hydraulic Check Valve, #8 SAE Ports, 20 GPM, 3/4"-16 NPT, 26 GPM, 3000 PSI Max, Crack Pressure of 70 PSI, Anodized Aluminum Body in Saudi Arabia Threlaco Double Pilot Operated Hydraulic Check Valve, #8 SAE Ports, 20 GPM, 3/4"-16 NPT, 26 GPM, 3000 PSI Max, Crack Pressure of 70 PSI, Anodized Aluminum Body in Saudi Arabia

Threlaco Double Pilot Operated Hydraulic Check Valve, #8 SAE Ports, 20 GPM, 3/4"-16 NPT, 26 GPM, 3000 PSI Max, Crack Pressure of 70 PSI, Anodized Aluminum Body

SAR 554
Brand
Threlaco
Category
Fittings
– 1 +

Special Features

  • Included Component and Connection Specification: You will receive one double pilot operated hydraulic check valve supplied with a #8 SAE O-Ring Boss (3/4"-16) Thread, providing reliable sealing and straightforward integration into common hydraulic manifolds and hose assemblies for rapid installation and leak-minimized operation
  • Performance Envelope for Flow and Pressure: This double pilot operated hydraulic check valve supports a maximum flow rate of 20 gallons/minute, withstands system pressures up to 3000 PSI, and features a crack pressure of 70 PSI, making it well suited for intermediate-flow circuits where controlled check and pilot release behavior are required under varying load conditions
  • Aluminum Construction for Weight and Corrosion Resistance: Constructed from high-quality aluminum alloy, the valve combines structural strength with a reduced mass compared with heavier metals and offers improved resistance to environmental corrosion, helping to maintain dimensional stability and functional integrity across extended service intervals in mobile and stationary hydraulic equipment
  • Operational Safety and Load Retention Features: The valve design allows the hydraulic cylinder to remain locked if a hose failure occurs, preventing unintended descent and avoiding load slippage; Its pilot-operated mechanism ensures the check stays closed under no-pilot conditions and only opens when pilot pressure is applied, improving operational safety during both normal and fault conditions
  • Cylinder Locking Function and Typical Applications: Designed to secure hydraulic cylinders and prevent downward drift when the directional control valve is in neutral, the valve stays closed when stationary to block fluid flow into and out of the cylinder and thus lock the actuator in place; It is commonly applied in construction machinery, agricultural equipment, lifting systems, and support platforms to maintain stable loads and prevent slippage

Description

Features:
Double-Pilot Architecture:
The dual-pilot configuration enables independent release control from either side of the valve, so operators can apply pilot pressure to permit controlled lowering or movement in a selected direction while preventing unintended flow in the opposite direction, enhancing flexibility in complex circuits and improving responsiveness to pilot signals.

Installation, Compatibility, and Service Considerations:
With a compact footprint and standard #8 SAE O-Ring Boss (3/4”-16) Thread, the valve installs easily into typical hydraulic manifolds and hose fittings, is compatible with common hydraulic fluids and service procedures, and features replaceable sealing components to simplify maintenance and minimize downtime during routine inspection and repairs.

Specifications:
Material: Anodized Aluminum
Color: metal
Size: 3/4"-16 NPT

Package includes: Double Pilot Operated Hydraulic Check Valve

Notes:
Manual measurement, please allow slight errors on size.
The color may exist a slight difference due to different screen displays

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