Gear oil pump QX Series QX51-100L65

ℹ️ Product Description

Hengmeisi's Gear oil pump QX Series QX51-100L65 is a premium large-displacement pump from the QX51 series, featuring Bucher's 5th-generation internal gear technology for up to 98% volumetric efficiency. With left rotation, L65 flange, and strict quality control, it ensures reliable performance in demanding conditions.

✨ Product Advantages

⚡ Ultra-High Volumetric Efficiency

QX51-100L65 adopts optimized CAE-designed tooth profiles, minimizing internal leakage. Its precision-machined gear pair ensures smooth meshing, achieving up to 98% volumetric efficiency. This reduces energy consumption and lowers operational costs, ideal for long-duration, high-load operations.

📈 Stable High-Flow Output

With a 100cc displacement, QX51-100L65 provides consistent high flow with minimal pressure pulsations. The hydrodynamic lubrication film supports the ring gear, ensuring stable performance at variable speeds. It maintains steady output even under fluctuating loads.

🛡️ Heavy-Duty & Durable Build

The pump body is constructed from high-strength cast iron, offering excellent pressure resistance and shock absorption. Core components use wear-resistant alloy steel with anti-aging seals, ensuring a long service life. It operates reliably across a wide temperature range (-40°C to +80°C).

🔗 L65 Standard Mounting & Versatility

QX51-100L65 features a universal L65 mounting flange and left-hand rotation, conforming to ISO 3019/2 standards. It is compatible with mineral oils, biodegradable fluids and fire-resistant hydraulic fluids (HFB/HFC/HFD), suitable for diverse applications.

🔤 Model Code Explanation

The QX51-100L65 model code is intuitive:

• QX51: Series code for high-flow internal gear pumps

• 100: Theoretical displacement of 100 cm³/rev

• L: Left-hand (counterclockwise) rotation

• 65: Standard L65 mounting flange specificationThis model is widely used in industrial and mobile hydraulics, recognized for its reliability and efficiency.

🧩 Product Structure

⚙️ Precision Internal Gear Set

Optimized involute tooth profile reduces noise and wear. High-precision assembly ensures concentricity for efficient power transmission.

🏗️ Reinforced Cast Iron Housing

Thickened, one-piece cast body provides structural rigidity and excellent pressure-bearing capacity for heavy-duty use.

🧴 Multi-Point Sealing System

High-performance oil-resistant seals at the shaft and flange prevent leakage, maintaining reliability under variable pressures.

🧷 L65 Standard Connection Ports

Inlet/outlet ports and mounting flange comply with L65 standards for easy installation and interchangeability.

🚀 Application Scenarios

🏭 Heavy Industrial Machinery

Provides hydraulic power for large presses, injection molding machines and industrial robots.

🚜 Mobile Construction Equipment

Used in excavators, loaders, cranes and other heavy machinery for reliable hydraulic flow.

🚢 Marine & Offshore Systems

Suitable for shipboard hydraulics, deck machinery and offshore equipment due to corrosion resistance.

♻️ Renewable Energy Equipment

Used in hydraulic systems of wind turbines and solar power plants for stable energy conversion.