Hydraulic cartridge valve FSDS XAN
2 month ago
Product details
FSDS-XAN Hydraulic Cartridge Valve
1. Basic Information
Brand: SUN Hydraulics (USA)
Type: Pressure-compensated spool-type bi-directional flow divider & combiner cartridge valve
Cavity specification: T-32A, Series 2 cavity
2. Key Technical Parameters
- Rated flow rate: 12～60 L/min (3.2～15.8 GPM)
- Max working pressure: 350 bar (5000 PSI)
- Flow dividing accuracy: standard 50% equal split; tolerance ±4.5% at minimum flow, ±2.5% at rated high flow
- Pressure drop: approx. 2 bar at minimum flow, approx. 24 bar at maximum flow
- Installation: Hex head size 28.6 mm, tightening torque 61～68 N·m, net weight 0.27 kg apiece
- Structure: SUN floating spool design to prevent spool sticking caused by mounting torque or cavity machining tolerance
3. Product Functions
1. Forward dividing: Single inlet flow evenly split into two outlets to realize synchronous extension of double cylinders or hydraulic motors.
2. Reverse combining: Two return oil paths converge into one single line for synchronous retraction.
3. End-stroke make-up flow: Automatically supplements oil when one cylinder reaches full stroke ahead of the other to complete full-stroke precise synchronization.
4. Typical Applications
Excavator outriggers, double-cylinder lifting platforms, loader tilt cylinders and synchronous circuits for dual hydraulic motors.
Hydraulic Cartridge Valve FSDS-XAN
TheFSDS-XANis a flow divider/combiner cartridge valve manufactured bySUN Hydraulics (USA), featuring high-precision flow distribution, high-pressure resistance, and flexible installation. It is widely used in construction machinery, industrial equipment, and marine machinery.
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I. Core Functions
1. Flow Division/Combination Control
• The FSDS-XAN valve achieves synchronous flow division or combination through apilot-operated balanced piston design.
• Indivision mode, it splits a single oil source into multiple paths for parallel actuators (e.g., boom and arm movements during dual-pump operation).
• Incombination mode, it merges multiple oil circuits into one to enhance operational efficiency.
2. Pressure Regulation & Safety Protection
• Integratedmain relief functionlimits system pressure to35 MPa(some models up to 42 MPa) to prevent overload damage.
• Unloading pressureis set at21.5 MPato reduce energy consumption during idle operation.
3. Flow Control Precision
• Minimum input flow accuracy: 50% ± 4.5%
• Maximum input flow accuracy: 50% ± 2.5%
• Supports flow ranges from12–60 L/min(some models up to 480 L/min) for diverse applications.
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II. Technical Specifications
【表格】
Parameter Details
Model FSDS-XAN
Brand SUN (USA)
Operation Type Pilot-operated balanced piston
Nominal Pressure 35 MPa (some models: 42 MPa)
Nominal Bore Size 22 mm (some models: 16 mm)
Rated Flow 240 L/min (some models: 480 L/min)
Pressure Adjustment Range 7–21.5 MPa (some models: 7–42 MPa)
Operating Temperature -45°C to 110°C
Oil Viscosity 10–33 mm²/s
Dimensions 35 × 22 × 55 mm (some models: 55 mm)
Weight 0.3–1 kg
Cartridge Port Type T-32A
Actuation Solenoid/hydraulic
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III. Structural Features
1. Modular Design
• Aluminum alloy body for lightweight, corrosion-resistant performance in mobile applications.
• Cartridge-style structure enables quick replacement and maintenance, minimizing downtime.
2. High-Precision Manufacturing
• Valve spool and seat undergo heat treatment and precision grinding for wear resistance and fatigue strength.
• Floating tail designreduces sensitivity to installation torque, preventing internal jamming.
3. Sealing & Protection
• NBR (Nitrile Butadiene Rubber)seals ensure compatibility with various hydraulic fluids.
• Hex head size: 28.6 mm; installation torque: 61–68 Nm for reliable sealing.
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IV. Applications
1. Construction Machinery
• Excavators: Controls compound movements (boom, arm, bucket, swing) for smooth operation.
• Loaders: Synchronizes work device and travel motions to improve efficiency.
2. Industrial Equipment
• Hydraulic Presses: Manages multi-cylinder synchronous lifting for precision machining.
• Injection Molding Machines: Divides flow to mold opening/closing and ejection mechanisms.
3. Marine Machinery
• Deck Cranes: Combines oil circuits for stable lifting.
• Steering Systems: Divides flow to dual rudder blades for precise maneuvering.
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V. Advantages & Value
1. Performance Benefits
• High flow, low pressure drop: Optimized oil path design reduces energy loss.
• Ultra-precise control: ±2.5% accuracy for complex motion synchronization.
• High-pressure capability: 35–42 MPa rating suits heavy-duty applications.
2. Economic Value
• Reduced maintenance costs: Modular design minimizes spare parts inventory.
• Energy savings: Negative flow control cuts idle power consumption.
• Extended equipment life: High reliability decreases hydraulic system failures.
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VI. Selection & Integration
1. Model Selection
• Choose based on system flow requirements (e.g., FSDS-XAN for 12–60 L/min; FSCS-XAN for 480 L/min).
• Match pressure rating to system maximum (35 MPa or 42 MPa).
2. System Integration
• Requires ahydraulic manifold blockfor multi-valve assembly.
• Compatible with SUN’s balance valves, check valves, etc., for complete circuit solutions.
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