What is a Piston Pump?
A piston pump is a positive displacement pump that utilizes multiple pistons arranged in a circular pattern within a cylinder block to generate high-pressure fluid flow, celebrated for its exceptional efficiency, superior controllability, and capacity to operate under elevated pressures-qualities that make it the preferred choice for the most demanding hydraulic applications. As a professional supplier in this specialized field, Xi'an Yuesheng Xingyao Trading Co., Ltd. focuses on delivering high-performance Heavy-Duty Axial Piston Pumps tailored to the rigorous hydraulic requirements of construction machinery and commercial vehicles. Through strategic collaborations with certified hydraulic component manufacturers, we guarantee that each axial piston pump embodies outstanding power density, precise flow control, and reliable operation even in the harshest working conditions. Engineered with advanced swashplate technology and precision machining, our pumps serve as the ideal power source for high-pressure hydraulic systems in excavators, dump trucks, and a wide range of industrial equipment, perfectly aligning with the piston pump's inherent advantages to meet and exceed the demands of critical applications.
Product Specifications
|
Parameter |
Value/Description |
|
Pump Type |
Swashplate Type Axial Piston |
|
Displacement Range |
28-250 cm³/rev (Select based on requirements) |
|
Rated Pressure |
35-42 MPa |
|
Peak Pressure |
40-45 MPa |
|
Rated Speed |
1800-2200 rpm |
|
Max Speed |
2500-3000 rpm |
|
Volumetric Efficiency |
≥ 96% |
|
Overall Efficiency |
≥ 92% |
|
Control Options |
Quantitative, Pressure compensation, Electric proportional, Load sensitive |
|
Shaft Extension |
Spline,Flat key |
|
Mounting |
Flange installation |
|
Port Connection |
SAE flange, Metric thread |
Product Features
High Power Density: Compact design delivers maximum power output relative to size and weight.
Precision Flow Control: Excellent controllability enables precise speed regulation of hydraulic actuators.
High Pressure Capability: Robust construction withstands continuous operation at 35+ MPa pressure levels.
Energy Efficient: Advanced design minimizes energy losses through optimized fluid dynamics and reduced internal leakage.
Low Noise Operation: Optimized port plate design and precision manufacturing reduce fluid-borne and structure-borne noise.
Long Service Life: Hardened components and optimized lubrication ensure extended operational life even in severe conditions.
Multiple Control Options: Available with various control mechanisms to match specific system requirements.
Hardened Components: Cylinder block, pistons, and valve plate are hardened for exceptional wear resistance.
Optimized Swashplate Design: Precision-ground swashplate ensures smooth piston movement and minimized vibration.
Advanced Bearing System: High-capacity bearings support substantial radial and axial loads.
Integrated Control Manifold: Compact control mounting simplifies system integration.
Corrosion Protection: Multiple surface treatment options available for harsh environments.
Product Applications
Excavators and Construction Machinery
Dump Trucks and Heavy-Duty Vehicles
Concrete Pump Trucks
Crane and Lifting Equipment
Forestry and Mining Machinery
Industrial Hydraulic Presses
Product Certifications & Evidence
Our Axial Piston Pumps are manufactured under certified quality systems with full traceability and performance validation:
ISO 9001 Certification: Complete quality management system certification for consistent manufacturing quality.
Material Certificates: Full traceability for all critical components with material test reports and heat treatment records.
Performance Testing: Each pump undergoes rigorous testing including:
Pressure endurance testing at 1.3 times rated pressure
Efficiency mapping at various pressure and speed points
Leakage testing with maximum allowable external leakage specifications
Noise level testing per ISO 16902 standards
Durability Validation: Minimum 10,000-hour endurance testing under rated conditions
Compliance with International Standards: Manufactured to meet ISO, SAE, and GB standards
Considerate Services
We provide comprehensive technical support throughout the product lifecycle:
Pre-Sales: Technical consultation for pump selection, system integration advice, and custom control solutions.
In-Sales: Efficient order processing with flexible quantities and reliable global logistics support.
After-Sales: Detailed installation guidance, commissioning support, troubleshooting assistance, and readily available spare parts including seal kits, pistons, and valve plates.
FAQ
Q: What is the typical service life of your axial piston pumps?
A: Under normal operating conditions with proper maintenance, our axial piston pumps typically achieve 12,000-15,000 hours of operation, depending on application severity and fluid cleanliness.
Q: How do I select between pressure compensation and load sensing control?
A: Pressure compensation maintains constant flow regardless of load pressure changes, while load sensing adjusts both pressure and flow to match actual system demand, offering higher energy efficiency. Our technical team can help determine the best option for your application.
Q: What filtration level is recommended for your piston pumps?
A: We recommend maintaining fluid cleanliness of ISO 18/16/13 or better for optimal pump life and performance.
Q: Can your pumps operate with biodegradable hydraulic fluids?
A: Yes, with proper seal material selection. Please specify your fluid type when ordering so we can provide the appropriate seal configuration.
Q: What is the difference between open-loop and closed-loop piston pumps?
A: Open-loop pumps discharge fluid to the actuators then to tank, while closed-loop pumps recirculate fluid directly between pump and motor. Closed-loop is typically used for hydrostatic transmissions.
Q: Do you provide custom shaft configurations and mounting flanges?
A: Yes, we can provide custom shaft extensions, keyways, splines, and mounting arrangements to match your specific requirements.
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