Gear oil pump PGH Series PGH4-3X/040RE11VE4

📝 Product Description

🔹 The Gear oil pump PGH Series PGH4-3X/040RE11VE4 is engineered by our factory, a leading China manufacturer and supplier of high-performance hydraulic pumps. It is fully interchangeable with the Rexroth version, delivering consistent performance with 315 bar rated pressure, 350 bar peak pressure, and low flow pulsation for industrial hydraulic systems.

🔹 The Gear oil pump PGH Series PGH4-3X/040RE11VE4 features a gap-compensated internal gear design, achieving high efficiency even at low speeds and viscosities. This ensures stable output, reduced energy consumption, and minimal operating noise for continuous-duty applications.

🔹 Built with premium cast iron housing and wear-resistant components, the Gear oil pump PGH Series PGH4-3X/040RE11VE4 is designed for long service life in harsh environments. Its modular construction allows flexible combinations with other pumps, supporting versatile system configurations.

🔹 As a direct replacement for Rexroth’s model, the Gear oil pump PGH Series PGH4-3X/040RE11VE4 is widely used in plastic machinery, automated presses, foundry equipment, and other high-load industrial applications requiring reliable constant-displacement flow.

✅ Product Advantages

🔸 Rexroth Full Interchangeability

The Gear oil pump PGH Series PGH4-3X/040RE11VE4 is fully compatible with Rexroth specifications, enabling seamless drop-in replacement without modifications. It matches the original model’s performance, dimensions, and mounting standards, simplifying maintenance and reducing downtime.

🔸 Gap-Compensated High Efficiency

The internal gear design with automatic sealing gap compensation maintains high efficiency across varying speeds and viscosities. It minimizes internal leakage, ensuring stable flow output and reducing energy costs even in demanding operating conditions.

🔸 Low Noise & Low Pulsation Operation

Precision gear meshing and balanced fluid flow result in low noise levels and reduced flow pulsation. This makes the pump ideal for noise-sensitive applications and improves the overall stability of hydraulic systems.

🔸 Premium Durability & Versatile Compatibility

Constructed with high-grade cast iron and wear-resistant components, the pump delivers reliable performance under continuous high-pressure conditions. It supports a wide range of hydraulic fluids (HLP, HEES, HFC) and can be combined with other pumps for modular system solutions.

🧩 Model Code Explanation

The Gear oil pump PGH Series PGH4-3X/040RE11VE4 features an intuitive coding system for easy identification:

PGH: Internal gear pump series, constant displacement design

4: Frame size 4, optimized for medium-to-high flow requirements

3X: Component series, representing the latest generation with enhanced gap compensation

040: Nominal displacement 40 cm³/rev, delivering consistent flow output

RE11: ISO 3019-2 standard mounting flange with cylindrical shaft end

VE4: FKM seal configuration, suitable for a wide temperature range and high-pressure environments

🏗️ Product Structure

Core Architecture: Gap-compensated internal gear structure, different from external gear pump designs, with cast iron housing for high rigidity and wear resistance.

Key Components: Precision-machined internal/external gears, pressure-compensating plates, and high-performance seals, ensuring minimal leakage and long-term reliability.

Material Upgrades: High-grade cast iron housing and wear-resistant gear materials, heat-treated for enhanced durability under continuous high-pressure operation.

Sealing System: FKM composite seals rated for wide temperature ranges, preventing fluid leakage even at peak pressure levels.

🛠️ Application Scenarios

Plastic injection molding machines and automated presses

Foundry machinery and metal processing equipment

Industrial hydraulic power units and machine tools

High-pressure hydraulic systems requiring low noise and stable flow