PVQ Piston Pump
2 month ago
Product details
1. Axial piston for open circuits;
2. Flow is proportional to speed by changing the swivel angle;
3. The various design options with auxiliary drive and the possibility of multi-circuit control allow optimum matching to individual drive applications.
4. Tight structure, easy for installation and maintenance;
5. High pressure, compaction durable, long service life.
Full range of controls and multiple shaft and mounting options increase flexibility of possible applications Durable construction promotes maximum operational reliability.
1. Model Breakdown and Meaning
• VICKERS: Brand name, a hydraulic division under Eaton, specializing in high-performance hydraulic components.
• PVQ: Pump series code, representing aVariable Displacement Piston Pump, designed for high-pressure, high-flow applications.
• 13: Displacement code, indicating the pump's rated displacement as13 cm³/rev(displacement per revolution).
• A2R:
• A: Control method, typically referring toPressure Compensated Control, which automatically adjusts displacement to maintain system pressure stability.
• 2R: May denote pump rotation direction (e.g., bidirectional) or a specific design version (refer to the manual for confirmation).
• SEIS20:
• SEIS: Likely a seal or interface standard code (e.g.,SAE porting, internal sealing design); requires manual verification.
• 20: May indicate maximum operating pressure rating (e.g.,20 MPa / 2900 psi) or a specific configuration number.
• C14:
• C: Typically denotes pump mounting style or flange type (e.g.,clockwise flange).
• 14: May represent shaft end size, port specification, or production batch code.
2. Core Specifications
• Displacement: 13 cm³/rev (theoretical flow = displacement × speed; e.g., ~19.5 L/min at 1500 rpm).
• Pressure Ratings:
• Maximum continuous pressure: Typically28 MPa (4060 psi)(confirm SEIS20 definition).
• Peak pressure: May exceed this (e.g., 35 MPa), but avoid prolonged overpressure operation.
• Speed Range:
• Rated speed: Usually1500–1800 rpm.
• Maximum speed: May reach2500 rpm(refer to model-specific manual).
• Control Method: Pressure-compensated control (standard in PVQ series), enabling constant pressure, load sensing, or remote pressure adjustment.
3. Structure and Design
• Piston Design: Axial piston pump with a swashplate mechanism, offering high efficiency and durability for high-pressure systems.
• Variable Control: Adjusts displacement via swashplate angle modulation, achieving dynamic flow-pressure balance.
• Sealing System: SEIS20 may represent advanced sealing technology (e.g., dual-lip seals, leak-proof design) for extended service life.
• Materials and Craftsmanship: High-strength alloy steel pump body with surface hardening for wear resistance.
4. Applications
• Industrial Hydraulics: Injection molding machines, die-casting machines, and machine tools requiring precise pressure control.
• Construction Machinery: Hydraulic drives for excavators, cranes, and concrete pumps.
• Agricultural Machinery: Hydraulic systems in combine harvesters and tractors.
• Energy and Marine: Hydraulic power sources for wind turbine equipment and ship steering gears.
5. Key Features
• High Efficiency: Variable control reduces energy loss, achieving system efficiency >90%.
• Reliability: VICKERS is renowned for low failure rates and long service life in continuous operation.
• Modular Design: Supports multiple control methods (e.g., electro-hydraulic proportional control) and customizable interfaces.
• Easy Maintenance: Removable pump body for simplified inspection and seal replacement.
6. Selection and Alternative Recommendations
• Parameter Verification: Select models based on system requirements (pressure, flow, speed).
• Compatibility: Confirm SEIS20 interface standards align with existing systems.
• Alternative Models: If PVQ13A2R is unavailable, consider same-series displacements (e.g., PVQ10, PVQ20) or functionally similar models (e.g., PVH series).
7. Precautions
• Fluid Cleanliness: Piston pumps are sensitive to hydraulic oil contamination; regular filtration is required (NAS 6 or higher recommended).
• Temperature Control: Avoid excessive oil temperatures (recommended operating range: 40–60°C) to prevent seal degradation.
• Installation Alignment: Ensure pump shaft alignment with the driving motor to prevent vibration or leaks.
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Ningbo Hengnuo Hydraulic Drive Co.,Ltd
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3 year
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