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SUN Cartridge Valve | PPDB-LAN | FDFA-LAN | CBDD-LJN | CVGV-XCV | FDFALAN
| Model Number | FDFA-LAN, CVGV-XCV, CBDD-LJN, PPDB-LAN |
|---|
Product Description
Industrial Precision Cartridge Valves (PPDB, FDFA, CBDD, CVGV)
Product Overview:
This series of precision Threaded Cartridge Valves represents the core control units for modern integrated hydraulic systems. The PPDB-LAN pilot-operated reducing valve provides extremely stable secondary pressure for branch circuits, while the FDFA-LAN relief valve offers superior overload protection in high-flow conditions. For load control, the CBDD-LJN counterbalance valve ensures smooth operation of actuators under overrunning loads, and the CVGV-XCV delivers reliable unidirectional locking. Featuring all-steel construction and fitting standard SUN cavities, these valves are the ideal choice for complex hydraulic logic and high-reliability operations.
Featured models on this page: PPDB-LAN, FDFA-LAN (FDFALAN), CBDD-LJN (CBDDLJN), and CVGV-XCV (CVGVXCV).
Key Technical Advantages:
Superior Load Balancing: The CBDD-LJN features an optimized pilot ratio to precisely control cylinder descent and eliminate mechanical chatter.
High-Precision Pressure Modulation: The PPDB-LAN utilizes a pilot-operated balanced piston design, ensuring minimal output pressure deviation even with significant inlet pressure fluctuations.
High-Flow Relief Performance: The FDFA-LAN is engineered for heavy-duty cycles, providing excellent pressure-flow characteristics to prevent instantaneous system overpressure.
Zero-Leakage Unidirectional Locking: Internal spools of the CVGV-XCV are precision-ground to achieve zero leakage in the locked position, enhancing system safety.
Detailed Specifications & Parameters:
Core Model Matrix:
PPDB-LAN: Pilot-operated reducing/relieving valve, T-11A cavity, Range A ($7-210$ Bar).
FDFA-LAN / FDFALAN: Pilot-operated relief valve, Size T-16A, optimized for high-capacity bypass.
CBDD-LJN / CBDDLJN: Counterbalance valve (load control), 3:1 pilot ratio, fits T-2A cavity.
CVGV-XCV / CVGVXCV: Pilot-to-open check valve with exceptional back-pressure tolerance.
Core Technical Specs:
Max Operating Pressure: Rated up to 350 Bar (5000 PSI).
Flow Capacity: Covers $40\text{ L/min}$ to $160\text{ L/min}$ depending on the PN.
Adjustment Type: L type manual hex adjustment for tactile pressure setting.
Seals: Standard Buna-N; Viton (FKM) optional for high-temp environments.
Company Profile
We adhere to international quality management standards and provide a 1-year warranty including maintenance and replacement. We have established long-term strategic cooperation with many well-known brands and continuously launch new products to meet market development. Flexible payment terms are supported, including USD settlement, Alipay, Western Union and T/T.
Relying on our standardized production base and professional foreign trade team, we provide competitive factory direct prices, efficient logistics channels and punctual delivery. FJZY Hydraulic is devoted to being your trustworthy long-term partner in hydraulic and agricultural machinery fields.
Our Advantages
Fast & Reliable Delivery
Extensive Partnerships
We collaborate with numerous factories, offering a wide range of product selections and providing you with instant quote responses
Strict Quality Assurance
Quality first is our principle. We provide a one-year warranty service, ensuring you receive top-tier quality products with confidence.
Competitive Pricing
Through efficient production and close cooperation, we offer highly competitive prices, guaranteeing a cost-effective experience for you.
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