360 Series Hydraulic Gear Pump
The 360 Series is a heavy-duty high-displacement cast iron gear pump and motor manufactured by Permco USA. It features high pressure, large flow rate and outstanding durability, commonly adopted in heavy-load hydraulic systems of construction and mining machinery.
1. Series Overview
- Brand: Permco, United States
- Series: 360 (P360), heavy frame with robust bushing structure
- Type: External meshing gear pump, also applicable as hydraulic motor
- Application orientation: Medium-high pressure, large flow and continuous heavy-duty operation
2. Main Technical Parameters
- Displacement: 29.5–147.5 cc/rev (1.8–9.0 in³/rev)
- Rated pressure: 207–241 bar (3000–3500 psi)
- Peak pressure: Maximum 310 bar (4500 psi)
- Rotational speed range: 600–2400 RPM, maximum continuous speed 2400 RPM
- Flow capacity: Approximately 30–150 L/min (8–39 GPM) at 1000 RPM
- Operating temperature: -20℃ ~ +82℃ for mineral hydraulic oil; Max 57℃ for water glycol fluid
- Recommended filtration accuracy: 10 μm (β200)
- Weight: About 30–40 kg, cast iron construction
3. Structure & Material
- Housing: High-strength cast iron with pin positioning, resistant to high-pressure deformation
- Gear and shaft: High-alloy steel, quenched and precision ground for excellent wear and impact resistance
- Bearing: Heavy-duty sleeve bushing design for prolonged service life
- Flow distribution: Pressure balanced wear plate, maintaining high efficiency and low internal leakage under high pressure
- Sealing material: Standard NBR; Optional FKM with superior temperature and oil resistance
- Port connection: SAE flange / ORB thread; Single inlet single outlet and single inlet double outlet designs available
4. Model Code Explanation (Example: P360A467BDZA17-6)
- P360: Series designation
- A: Mounting flange type
- 467: Displacement code
- B: Rotation direction (Clockwise / Counter-clockwise)
- D: Oil port position
- Z: Seal material type
- A17: Shaft diameter and spline specification
- 6: Version number
5. Product Features
- Excellent high-pressure endurance, stable continuous operation under 3500 psi, peak pressure up to 4500 psi
- Large flow output, ideal for heavy-duty large-tonnage equipment
- Heavy-load bushing structure, strong anti-impact and anti-contamination performance, longer service life than needle roller bearings
- Pressure balanced plate ensures stable working efficiency under diverse operating conditions
- Diversified optional configurations for flange, port and shaft type, supports tandem and multi-pump assembly
6. Typical Applications
- Cranes, heavy winches, mobile crushing and screening equipment
- Garbage trucks, dump trucks and heavy-duty aerial work platforms
- Mining machinery, forestry machinery and marine deck machinery
7. Relevant & Alternative Models
- In-series models: P360 pump type, M360 motor type
- Upgraded series: 460 Series with higher pressure rating and smaller flow range
- Domestic equivalent replacements: CBGJ, CBT, JHP series high-pressure gear pumps
1. Product Overview
The 360 Series Gear Pump is a high-pressure, large-displacement sliding bearing gear pump and motor specifically designed to meet the demands of heavy-duty construction machinery and fixed industrial equipment. This series of pumps features a compact structure, large displacement, high pressure, fast rotational speed, and large flow rate, ensuring stable operation under various harsh working conditions.
2. Product Features
1. Compact Heavy-Duty Bushing Design: Enhances the durability and reliability of the pump.
2. Wide Displacement Range: Displacement ranges from 59.81 ml/r to 149.53 ml/r, allowing for selection based on actual needs.
3. High Working Pressure: Capable of withstanding working pressures up to 28 MPa, meeting the requirements of heavy-duty applications.
4. Fast Rotational Speed: Operates at speeds up to 2500 r/min, improving work efficiency.
5. Large Flow Rate: Delivers a flow rate of up to 355 lpm, ensuring adequate system flow.
6. High-Strength Cast Iron Structure with Pin Connection: Increases the strength and rigidity of the pump.
7. High-Strength Alloy Steel Gears and Gear Shafts: Ensures wear resistance and corrosion resistance.
8. Multiple Oil Port, Installation, and Shaft Designs: Facilitates installation and use according to actual working conditions.
9. Pressure-Balanced Wear-Resistant Side Plates: Maintains high-efficiency output throughout the working process.
10. Multiple Intermediate Body Options: Offers single inlet/single outlet and single inlet/dual outlet intermediate bodies to meet different system requirements.
3. Application Areas
The 360 Series Gear Pump is widely used in various construction machinery, such as excavators, loaders, cranes, and road rollers. Additionally, it is suitable for fixed industrial equipment, including injection molding machines, die-casting machines, and machine tools, that require high-pressure, large-flow hydraulic systems.
4. Models and Specifications
The 360 Series Gear Pump includes multiple models and specifications, with variations in displacement, pressure, and rotational speed among different models. Users should select the appropriate model based on actual working conditions and requirements to ensure optimal performance and reliability. For example, the P360 is a specific model within this series that embodies the aforementioned features.