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The HGP series of high-pressure gear pumps with relief valves are suitable for light construction equipment

Name: The HGP series of high-pressure gear pumps with relief valves are suitable for light construction equipment
Brand: We are MEISON, the international sales department of Dongxu Hydra
SKU: HGP-2A
Price: 285 USD
Availability: InStock

Product Description
Construction: External helical high-pressure gear pump
Pump Body Material: High-strength die-cast aluminum alloy
End Cover Material: Cast iron
Maximum Speed: 3500 r/min (Recommended speed: 1500–3000 r/min)
Fluid Viscosity: 15–100 cSt (Recommended: 46#/68# anti-wear hydraulic oil)
Mounting Type: Flange mounting, double-hole/diamond flange
Shaft Extension Type: Flat key shaft (splined shaft available upon request)

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Description

About HGP Series High-Pressure Gear Pumps with Relief Valves
The Dongxu HGP Series high-pressure gear pumps with built-in relief valves are cost-effective power units that integrate an integrated pressure-regulating relief valve into a standard helical gear pump design. The pump body is made of lightweight aluminum alloy, and the helical gear structure ensures smooth operation and low noise. The rated pressure reaches up to 16 MPa, with a peak pressure of 21 MPa. The built-in relief valve allows direct adjustment and limitation of the system’s maximum pressure on the pump itself, eliminating the need for additional valve installation. This simplifies hydraulic circuit design and saves installation space, with specifications covering a wide range of displacements and directional options.

Key Features

Built-in integrated pressure-regulating relief valve: The relief valve is integrated into the pump body, allowing direct adjustment and limitation of the maximum pressure.
Helical-tooth silent high-pressure performance: Features a helical-tooth gear meshing structure for smooth operation, high volumetric efficiency, and minimal internal leakage.
Lightweight and durable design: Lightweight, fast heat dissipation, low maintenance costs, and long service life.
High installation flexibility: Standard flange and shaft extension dimensions are compatible with conventional motors, ensuring easy installation.
Cost-Effective Integrated Solution: Combines the pump and pressure regulation functions into a single unit, eliminating the need for additional valve procurement and installation costs.

Application

Light-duty construction equipment such as small hydraulic power units, lift platforms, forklifts, and sanitation vehicles.
Machine tool lubrication systems, clamping circuits for automated equipment, and small presses.
Cost-effective hydraulic systems where space is limited, and scenarios that do not require the installation of additional relief valves.

Packaging & Delivery

Protective Industrial Packaging: Each pump is carefully packaged in reinforced, moisture-proof materials to prevent surface damage and shaft corrosion during transit.
Global Fulfillment: Factory-direct dispatch with optimized logistics support, ensuring reliable and timely delivery to international destinations.
Installation Ready: Every unit is inspected for dimensional accuracy and functional testing, ready for immediate integration into your system.

Certification & Quality Assurance

Quality Management: Manufactured under strict ISO9001 standards, ensuring consistent pressure and flow characteristics across every unit.
Operational Reliability: Built for high-cycle industrial service, serving as a reliable foundation for equipment lifespans of 10+ years.
Integrity Verification: Every gear pump undergoes rigorous high-pressure testing to ensure leak-free performance and functional reliability before leaving our factory.

The MEISON Advantage

Factory-Direct Expertise: "Factory-Direct Expertise. Professionally Curated." — 20+ years of precision mechanical manufacturing leadership.
Global Trusted Partner: Over 1,000,000 units sold to 6,000+ satisfied customers worldwide, proving MEISON’s commitment to quality.
Innovation & R&D: 60+ technical patents support our commitment to high-performance, precision-engineered hydraulic solutions.
Cinematic Industrial Image: Our designs prioritize technical precision and professional aesthetics, helping you build immediate, long-lasting trust with B2B buyers.

FAQs

（Frequently Asked Questions）

You are manufacturer or trading company?

We are a direct manufacturer, Dongxu Hydraulic Machinery Co., Ltd.
This means you get the most competitive factory price and direct technical support. There are no middlemen or traders involved. You are welcome to visit our factory at any time.

Can I have OEM service and put my logo on products or packaging?

Yes, OEM service is available. We offer customized solutions including brand logo printing, custom color painting, special thread types (G/BSPT/NPT), and SAE flange connections. Your brand identity is respected .

What is the lead time for this model?

It depends on the quantity. Shipment typically occurs within 10–15 business days after order confirmation. For large OEM orders, please contact us for confirmation.

What warranty services do you offer?

We offer a 12-month comprehensive warranty. In addition, we provide extended warranty and maintenance packages.

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The HGP series of high-pressure gear pumps with relief valves are suitable for light construction equipment

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