CASAPPA KP30.38-05S6-LMF/0D

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Product details

CASAPPA KP30.38-05S6-LMF/0D Hydraulic Gear Pump: High-Performance Power for Demanding Hydraulic Systems

Product Overview

TheCASAPPA KP30.38-05S6-LMF/0Dis a high-displacement hydraulic gear pump designed for heavy-duty industrial and mobile hydraulic systems. Built with precision engineering and durable materials, this pump delivers reliable performance in applications requiring high pressure and continuous operation.

Key Features

1. High Displacement & Flow Capacity

• Displacement: 38 cm³/rev (per revolution), enabling high flow rates for rapid actuator movements.

• Flow Output: At 1,500 rpm, it delivers approximately57 L/min, ideal for large-scale hydraulic systems in construction machinery, metallurgical equipment, and marine engineering.

2. Robust Construction

• Material: High-grade aluminum alloy body with hardened steel gears, ensuring durability and resistance to wear.

• Bearing Design: Extra-large bearings support high-pressure operation, extending service life even under extreme loads.

3. High-Pressure Capability

• Rated Pressure: Continuous operating pressure up to250 bar, with a short-term peak capacity of280 bar.

• Pressure Balancing System: Reduces internal stress, enhancing efficiency and reliability.

4. Low Noise & Vibration

• Precision-Cut Gears: Minimize internal leakage and reduce noise levels to ≤75 dB(A), suitable for noise-sensitive environments.

• Optimized Flow Pulsation: Flow pulsation rate below ±1.5%, ensuring smooth hydraulic system operation.

5. Versatile Mounting Options

• Supports multiple flange and shaft extension port standards (e.g., Euro, DIN, SAE), facilitating easy integration into diverse hydraulic systems.

6. Wide Temperature Range

• Operates efficiently in temperatures from-40°C to +120°C, adapting to extreme environmental conditions.

Applications in Hydraulic Systems

TheCASAPPA KP30.38-05S6-LMF/0Dis widely used in hydraulic systems requiring high flow and pressure, including:

1. Construction Machinery

• Powers hydraulic cylinders for boom, arm, and bucket movements in excavators and cranes.

• Drives steering gear systems in large-scale equipment for precise maneuverability.

2. Metallurgical Equipment

• Supplies high-pressure hydraulic energy for metal shearing, rolling mill press systems, and forging machines.

• Ensures reliable operation in harsh industrial environments with high temperatures and heavy loads.

3. Marine Engineering

• Actuates windlass hydraulic systems for anchor handling and mooring operations.

• Powers steering gear systems in ships for stable navigation in rough seas.

4. Industrial Automation

• Drives injection molding machines for efficient plastic part production.

• Provides hydraulic power for die-casting machines in metal casting processes.

Technical Comparison & Advantages

I. Brand Overview

CASAPPA is a renowned Italian premium hydraulic manufacturer. The KP series belongs to the KAPPA compact two-piece cast-iron high-pressure external gear pump lineup, featuring heavy-duty high-pressure performance, low noise and long service life for rigorous construction machinery operating conditions.

II. Breakdown of Model Designation

KP30.38

- KP: Series code for KAPPA gear pumps

- 30: Frame size designation (3rd group standard mounting flange dimension)

- 38: Nominal displacement of 38 mL/r (cm³/rev), a standard displacement option for the KP30 frame

-05S6

- 05: Integrated valve configuration, equipped with built-in anti-cavitation and overload relief valve modules to restrain suction cavitation shock and cap maximum system pressure

- S6: Drive shaft specification: S6 spline shaft (SAE standard), compatible with spline coupling transmission

-LMF

- L: Rotation direction: left-hand (counter-clockwise) rotation viewed from the drive shaft end

- M: Port arrangement: side-mounted inlet and outlet ports conforming to European standards

- F: Mounting flange: European standard square cast-iron flange

/0D

- 0: Basic single-pump structure without tandem rear pump assembly

- D: Shaft seal material: Nitrile rubber (Buna-N), suitable for conventional mineral-based hydraulic oil applications

III. Core Performance Specifications

1. Displacement: 38 cm³/rev

2. Pressure Ratings

- Continuous operating pressure: 280 bar

- Intermittent short-term pressure: 300 bar

- Peak shock pressure: Up to 330 bar

3. Speed Range

- Maximum rated speed: 3000 r/min

- Minimum stable operating speed: 350 r/min

4. Volumetric Efficiency: ≥94% under high-pressure conditions, with minimal efficiency degradation at elevated temperatures

5. Suction Requirements: Inlet absolute pressure between 0.7~3 bar to prevent cavitation

6. Compatible Fluids: Conventional anti-wear hydraulic oils and fire-resistant hydraulic fluids; recommended operating oil temperature: -20℃~+80℃

IV. Structural & Design Advantages

- High-rigidity two-piece cast-iron housing with outstanding deformation resistance under heavy loads

- Modular integrated valve design eliminates external relief valves and simplifies hydraulic piping layout

- Floating pressure-compensated side plates reduce internal leakage significantly and sustain high efficiency across the full pressure spectrum

- Optimized gear tooth profile delivers much lower noise than conventional domestic gear pumps

- Dual compatibility with SAE and European standards for flanges and ports for excellent interchangeability

V. Typical Application Sectors

- Construction machinery: Auxiliary pumps for loaders, excavators, motor graders, road rollers

- Agricultural machinery: Large harvesters and tractor hydraulic drive units

- Material handling: Forklifts, port stackers, truck-mounted crane hydraulic pumps

- Industrial equipment: Cooling drives for large fans, auxiliary hydraulic systems for metallurgy, special sanitation vehicles

VI. Installation & Maintenance Guidelines

1. Maintain shaft alignment tolerance ≤0.1 mm during installation; never force misaligned coupling to avoid premature shaft fracture

2. Ensure suction pipe diameter matches the pump inlet specification and limit pipeline pressure drop below 0.5 bar

3. Adopt filtration accuracy ≥10 μm in the hydraulic system and perform regular oil changes; install suction strainers for dusty environments

4. Standard warranty period is 1 year under normal conditions; shorten maintenance intervals for severe heavy-duty scenarios

CASAPPA KP30.38-05S6-LMF/0D – High-Performance Hydraulic Gear Pump

The CASAPPA KP30.38-05S6-LMF/0D is a rugged and durable hydraulic gear pump. With its compact construction and outstanding reliability, it serves as the ideal hydraulic power source for a wide range of mobile and industrial hydraulic systems. The pump features a high-strength extruded aluminum alloy housing combined with pressure-balanced wear-resistant side plates, maintaining high volumetric efficiency and low internal leakage even under sustained high-pressure conditions, and delivering a smooth, long-lasting flow output for your hydraulic system.

As a precision-manufactured hydraulic gear pump, the KP30.38-05S6-LMF/0D incorporates CASAPPA’s unique tooth profile optimization and fine machining processes, effectively reducing flow pulsation and operating noise. This significantly enhances the NVH performance and operator comfort of the entire hydraulic system. Its modular design supports flexible configurations using single, double, or multiple pumps, enabling simultaneous actuation of multiple implements within one hydraulic system. This greatly simplifies circuit layout and reduces piping costs and installation space.

Whether you are replacing an older pump or designing a brand-new hydraulic system, the CASAPPA KP30.38-05S6-LMF/0D hydraulic gear pump delivers a stable and reliable hydraulic power solution with high power-to-weight ratio, broad adaptability to varying operating conditions, and extended maintenance intervals.