Casappa MVPD30.45S-04S5 Variable Fan Hydraulic Pump
The MVPD30.45S-04S5 is a high-performance variable displacement hydraulic piston pump developed by Italy’s Casappa, specially customized as a dedicated cooling fan drive hydraulic pump for large XCMG excavators, perfectly matching XCMG 450, 490, 500, 600, 690, 700, 750, 900 and 950 heavy construction machinery hydraulic systems.
Belonging to Casappa classic MVPD series variable vane/piston combined hydraulic pump lineup, this hydraulic pump adopts integrated variable pressure control structure, which automatically adjusts output flow according to engine coolant temperature and hydraulic system oil temperature in real time. It intelligently changes the rotating speed of the matched KYB MSF-50-45 fan motor to control fan air volume, realizing energy-saving cooling for the whole hydraulic system without constant high-speed operation.
Core Specifications & Advantages
1. Model decoding: MVPD30.45S-04S5
- MVP: Series code of Casappa fan dedicated variable hydraulic pump
- D: Double pump integrated structure (main pump + pilot auxiliary pump integrated layout)
- 30.45: Main pump rated displacement 30.45 cc/rev
- S: Shaft form & mounting flange standard (SAE standard installation)
- 04S5: Control valve assembly code (temperature sensing proportional variable control module)
2. Working parameters: Rated working pressure 240 bar, peak pressure 280 bar; wide applicable speed range 600–2800 rpm; high viscosity resistance, adapts to 46# anti-wear hydraulic oil in harsh working conditions.
3. Structural features: Compact cast aluminum alloy housing, wear-resistant internal rotor assembly, built-in pressure compensation valve and temperature feedback valve. The hydraulic piston pump runs stably with low noise and small pressure pulsation, effectively avoiding overheating failure of hydraulic system during long-time heavy-load continuous operation of large excavators.
4. Application positioning: OEM original replacement hydraulic pump for XCMG large tonnage excavator cooling loop, paired with KYB MSF-50-45 fan motor (PN: B0440-50016) to form a complete fan drive hydraulic assembly, widely used in mine, earthmoving and quarry working scenarios.
I. Product Features
1. Type: Piston pump, featuring an axial piston design that offers high efficiency and low noise emissions.
2. Drive Method: Pneumatic drive, suitable for a variety of industrial applications.
3. Material: Cast iron construction, providing a robust structure capable of withstanding high operating pressures.
4. Number of Impellers: Single-stage design, simplifying structure and facilitating maintenance.
5. Pump Shaft Position: Side-mounted vertical installation, saving space and facilitating integration into various equipment.
II. Technical Parameters
1. Flow Rate: 30.45 liters per minute (or may vary depending on specific application scenarios), meeting the flow requirements of most fan systems.
2. Weight: Approximately 20 kilograms, facilitating easy handling and installation.
3. Spline: 13-tooth design, ensuring stable connection with the drive shaft.
4. Rated Pressure: 22 megapascals (MPa), with a maximum pressure capacity of up to 28 megapascals (MPa), capable of withstanding high operating pressures.
5. Application: Primarily used in fan pump systems to provide stable and reliable power support for fans.
III. Application Fields
The Casappa Fan Pump Model MVPD30.45S-04S5 is widely used in industrial equipment requiring fan cooling, such as:
1. Excavators: Providing power for the cooling system of excavators, ensuring normal operating temperatures during prolonged high-load operation.
2. Other Industrial Equipment: Also applicable in equipment requiring fan cooling, such as generator sets and compressors.
IV. Market Situation
1. Price: Prices may fluctuate based on market supply and demand and purchase volume. Generally, the price per unit ranges from several thousand to tens of thousands of yuan.
2. Availability: Multiple suppliers offer sales services for this model on the market, with relatively short lead times to meet urgent customer needs.
