Sun Hydraulics Cartridge Valve | CBCA-LHN PBDB-LAN CKCB-XCN | Check & Counterbalance Valve
| Model Number | CBCA-LHN, CKCB-XCN, PBDB-LAN, CSAD-XXN, CXJA-XAN, CXDA-XCN |
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Product Description
Sun Hydraulics CBCA, CKCB, PBDB & CXDA Series Cartridge Valves
Product Overview: Sun Hydraulics Cartridge Valves are renowned for their industry-leading “Floating Style” design, which allows internal components to self-center, compensating for manifold machining tolerances and ensuring sensitive operation under extreme pressures. This category highlights the core load-holding and pressure-control models: CBCA-LHN (Counterbalance), CKCB-XCN (Pilot-to-open check), PBDB-LAN (Pilot-operated reducing), and the CSAD, CXJA, CXDA series precision check elements.
Engineered for high-performance and compact hydraulic circuits, these screw-in cartridges integrate seamlessly into custom manifolds. They are the premier choice for mobile cranes, aerial work platforms, excavators, and industrial automated hydraulic power units (HPU).
Key Technical Advantages:
Load Safety Assurance: The CBCA counterbalance valve provides superior load locking and smooth descent control under varying conditions.
Zero-Leakage Check Function: The CKCB and CXDA series ensure zero internal leakage during shut-off, preventing actuator drift.
Precise Pressure Management: The PBDB reducing valve delivers an exceptionally stable secondary pressure for branch circuits despite primary system fluctuations.
Floating Spool Technology: The unique two-piece floating construction prevents spool binding caused by excessive installation torque, significantly enhancing system reliability.
Detailed Specifications & Parameters:
Core Series: Sun Hydraulics Counterbalance & Check Cartridges.
Featured Model Matrix: CBCA-LHN, CKCB-XCN, PBDB-LAN, CSAD-XXN, CXJA-XAN, CXDA-XCN.
Core Performance Specs:
Max Operating Pressure: Rated for heavy-duty operations up to 350 Bar (5,000 PSI).
Functional Logic: Counterbalance (CBCA), Pilot-operated check (CKCB), Reducing (PBDB), Fixed Orifice/Check (CSAD, CXJA, CXDA).
Adjustment Options: L (Leak-proof screw), X (Non-adjustable).
Pilot Ratio: CBCA (3:1 ratio) for balanced and smooth descent control.
Cavity Standards: Industry-standard cavities such as T-11A, T-2A, T-10A, T-13A, and T-162A.




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