5-1 SDCV80-21 Outrigger Control Valve
4 week ago
Product details
5-1 SDCV80-21 Outrigger Control Valve: Core Analysis
I. Product Positioning & Core Functions
This valve is adedicated hydraulic control valve for outriggers on mobile cranes, classified as asingle-section directional control valve. It is primarily used to regulate the extension/retraction direction and speed of outrigger hydraulic cylinders, ensuring crane stability during operations. Its core functions include:
• Directional Control: Shifts hydraulic oil flow by valve spool displacement to extend, retract, or hold outriggers stationary.
• Flow Regulation: Some models may integrate flow control to adjust outrigger speed for varying working conditions.
• Pressure Compensation: Maintains system pressure stability to prevent abnormal outrigger movements under load fluctuations.
II. Key Technical Specifications (Inferred from Industry Standards)
【表格】
Parameter Category Typical Specifications Design Rationale
Nominal Flow Rate 80 L/min Matches hydraulic cylinder demands of medium-sized cranes for rapid response and smooth operation.
Number of Working Sections 4 sections (4-section) Each section controls one outrigger cylinder independently, enhancing operational flexibility.
Port Specifications Compliant with ISO/DIN standards Facilitates quick connection to hydraulic system pipelines, reducing leakage risks.
Pressure Rating 35 MPa (industry common value) Adapts to high-pressure hydraulic systems, ensuring reliable outrigger locking under heavy loads.
Material Valve body: High-strength cast steel; Internal components: Alloy steel Balances strength and wear resistance for extended service life.
Control Method Manual/Electromagnetic proportional control (subject to specific model) Manual control for basic models; electromagnetic proportional control enables automation.
III. Typical Application Scenarios
1. Crane Outrigger Control
• Extends outriggers before crane operations to expand support area and prevent tipping.
• Retracts outriggers after operations for equipment mobility.
2. Aerial Work Platform Leveling
• Similar valves can be used in leveling systems for aerial work platforms to ensure stability on uneven terrain.
3. Heavy Equipment Transportation
• Secures equipment position during transport via outrigger control valves to prevent sliding or tipping.
IV. Industry Benchmarking & Competitive Advantages
【表格】
Comparison Dimension SDCV80-21 Industry Competitors Advantages
Integration Level Single-section design, compact structure Modular valve groups, larger footprint Reduces installation space, simplifies piping, and enhances system reliability.
Response Speed Fast spool displacement design Traditional spool structures, slower response Shortens outrigger actuation time, improving operational efficiency.
Maintenance Convenience Modular design for easy disassembly and repair Integrated structures requiring full replacement Lowers maintenance costs and reduces downtime.
Environmental Adaptability Optimized sealing for dust/water resistance Standard seals, vulnerable to environmental factors Suitable for harsh conditions (e.g., sandy, humid environments), extending lifespan.
V. Selection & Usage Recommendations
1. Selection Criteria
• Confirm crane model and outrigger hydraulic cylinder parameters to match flow rate and pressure ratings.
• Choose control method (manual/electromagnetic proportional) based on operational requirements.
• Prioritize products with international certifications (e.g., CE, ISO) for quality and safety assurance.
2. Usage Precautions
• Regularly inspect hydraulic oil cleanliness to prevent valve wear from contaminants.
• Avoid overpressure operation to prevent valve body rupture or seal failure.
• When idle for extended periods, retract and secure outriggers to prevent hydraulic cylinder corrosion.
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