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GBHZ-F Series Gear Pump - Gear Pump Internal Relief Valve

GBHZ-F Series Gear Pumps are engineered for high-pressure performance, exceptional reliability, and long service life. Designed with a high-strength aluminum alloy body and precision-engineered gears, these pumps provide consistent hydraulic power for material handling, construction, and agricultural machinery, making them the preferred choice for OEM replacements in brands like Toyota, Komatsu, and Mitsubishi.
  • GBHZ-F Series Gear Pump

  • Green Hydraulic

  • GBHZ-F Series Gear Pump

  • GBHZ-F Series Gear Pump

  • Yes

  • ISO9001, CE

  • • Industrial • Energy • Government (Non Aerospace) • HVAC • Mobile • Natural Resources • Transportation (Non Aerospace)

  • 1. Industrial Hydraulic Systems 2. Mobile Equipment (Industrial Vehicles) 3. Construction and Engineering Machinery 4. Metallurgy Industry

  • Key Shaft and Spline shaft

  • 1 set

Availability:
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Product Description

GBHZ-F Series Gear Pump

Overview

GBHZ-F Series Gear Pumps are engineered for high-pressure performance, exceptional reliability, and long service life. Designed with a high-strength aluminum alloy body and precision-engineered gears, these pumps provide consistent hydraulic power for material handling, construction, and agricultural machinery, making them the preferred choice for OEM replacements in brands like Toyota, Komatsu, and Mitsubishi.

Features and Benefits

  • Extended Pump Life: Exceptional durability achieved through high-grade wear-resistant materials, specialized surface-treated gears, and the use of high-load DU bushings for superior lubrication.

  • Quiet and Smooth Operation: Advanced gear tooth profiles and a precision-machined housing reduce fluid pulsation and mechanical vibration, maintaining low noise levels during high-pressure operation.

  • High Efficiency & Energy Saving: Features a pressure-loading design that maintains high volumetric and mechanical efficiency, minimizing internal leakage and heat generation.

  • Compact & Modular Design: Standardized ISO and SAE mounting flanges and shaft options allow for easy installation in tight spaces and seamless integration into existing systems.

  • Versatile Combinations: Supports tandem (double) or triple pump configurations, providing a cost-effective and flexible solution for multi-circuit hydraulic packages.

Model Codes

GBHZ-F codes


Specifications

Models 排量 Displacement (cc/rev) 额定压力 Rated Pressure (MPa) 最高压力 Max Pressure (MPa) 转速 - 最低 Min (r/min) 转速 - 额定 Rated (r/min) 转速 - 最高 Max (r/min) 容积效率 Volumetric Efficiency (≥%)
CBHz-F23-AL** 23 20 25 600 2500 3000 92
CBHz-F25-AL** 25 20 25 600 2500 3000 92
CBHz-F28.2-AL** 28.2 20 25 600 2500 3000 92
CBHz-F30-AL** 30 20 25 600 2500 3000 92
CBHz-F32-AL** 32 20 25 600 2500 3000 92
CBHz-F36-AL** 36 20 25 600 2500 3000 92


Applications

Applications

Winches, oil field and drilling

equipment, earthmoving and

construction equipment, die

casting, molding machines, press

machines, trash compactors, balers

and primary metals

Vane Pump Application

Factory&FAQ

GBHZ-F Series Gear Pump FAQ

1. What is the GBHZ-F Series Gear Pump used for?
GBHZ-F Series gear pumps are commonly used in hydraulic power systems for construction machinery, agricultural equipment, industrial machinery, and mobile hydraulics.

2. What are the main features of the GBHZ-F Series Gear Pump?
It features compact structure, stable flow output, high volumetric efficiency, low noise, and reliable pressure performance.

3. What hydraulic fluids are suitable for GBHZ-F pumps?
They are typically compatible with mineral hydraulic oil, anti-wear hydraulic oil, and other fluids recommended by the system manufacturer.

4. Can the GBHZ-F Series operate at high pressure?
Yes, GBHZ-F pumps are designed for continuous working pressure with allowable peak pressure depending on the model. Proper pressure settings improve service life.

5. Is bidirectional rotation available for GBHZ-F pumps?
Some models support clockwise or counterclockwise rotation. Please verify the shaft rotation code before ordering.

6. What causes noise or reduced flow in a gear pump?
Common causes include air ingress, oil contamination, worn internal parts, incorrect viscosity, or insufficient inlet pressure. 

7. How should a GBHZ-F Series pump be maintained?
Regularly inspect seals, monitor oil cleanliness, maintain proper lubrication, and replace worn components when necessary. 

8. Can GBHZ-F Series Gear Pumps be customized or replaced interchangeably?
Yes, many GBHZ-F pumps can be configured by displacement, shaft type, mounting flange, and port options, and some can cross-reference OEM replacements.

Certifications & Quality Assurance

Charge pumps are manufactured in compliance with international standards, ensuring high performance and reliability:

ISO 9001: Certified for quality management systems.

CE Certification: Ensures compliance with European safety, health, and environmental protection standards.

RoHS Compliance: Ensures the pump does not contain hazardous materials.

Factory Testing: Every pump is rigorously tested for performance, pressure, and leak integrity before shipping.

Green Hydraulic Patent Certificate

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