KP30 KP40 Hydraulic Gear Pump | KP30.38 KP30.41 KP30.51 KP30.61 Series
| Model Number | KP30.38S0-A8K9-LMC/MB-N-KSC |
|---|
Product Description
The KP30 & KP40 Series from LIC Hydraulic represents the industry standard for high-pressure, heavy-duty cast iron gear pumps. Specifically engineered for dump trucks, refuse vehicles, and mobile construction equipment, the KP range—including KP30.38, KP30.51, and KP30.61—is built to survive in the harshest environments. We guarantee 100% mechanical interchangeability and subject every unit to 100% volumetric efficiency and high-pressure surge testing, ensuring professional performance for your hydraulic lifting and driving circuits.
Technical Configuration Details
Series Models: KP30 (Middle-High Flow), KP40 (Large Flow).
Displacement Range: From $38\text{ cc/rev}$ (KP30.38) up to $61\text{ cc/rev}$ (KP30.61) and beyond for the KP40 series.
Operating Pressure: Rated for continuous operation at $250\text{ bar}$ ($3625\text{ psi}$).
Construction: Premium ductile cast iron housing for maximum fatigue resistance.
Key Technical Advantages
Ductile Iron Housing: Unlike standard aluminum pumps, the KP series utilizes high-density cast iron that prevents housing expansion and cracks under peak hydraulic shocks, ensuring a longer service life in heavy-lifting applications.
Axial Pressure Compensation: Our advanced floating side plate design automatically compensates for axial clearance, maintaining a tight seal against the gear faces. This results in high volumetric efficiency even as the pump ages.
High-Load Bushing Design: Featuring reinforced DU composite bushings, the pump can handle high radial loads and provides excellent lubrication even during marginal oil conditions.
Heavy-Duty Shaft Seal: Equipped with a multi-lip high-pressure shaft seal designed to withstand back-pressure spikes and harsh external contaminants, preventing oil leaks and system downtime.
Application Areas
Dump Truck Hoists: The primary power source for telescopic cylinder lifting.
Refuse Compactors: Providing reliable flow for heavy-duty waste packing and ejection cycles.
Mobile Hydraulics: Powering auxiliary functions on loaders, graders, and mining equipment.
Expert Maintenance Tips
PTO Alignment & Rotation: Before installation, verify the PTO output rotation. Installing a pump with the wrong rotation will cause immediate shaft seal failure. Match the “L” (Left/CCW) or “R” (Right/CW) designation to your truck’s specifications.
Fluid Cleanliness: Maintain oil quality at ISO 4406 20/18/15. Although cast iron pumps are robust, hard particles can still score the side plates, leading to internal leakage and loss of lifting power.
Cavitation Prevention: Ensure the suction hose is large enough and free of kinks. A starved pump will generate excessive noise and heat, causing “pitting” on the gear teeth and significantly reducing the pump’s lifespan.
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Company Profile
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