Created on 2024.12.25

JIS B 2291 Square Flange Series: Trusted Connections for Hydraulic Systems

The JIS B 2291 square flange series is a widely used standard in hydraulic systems, offering reliable and efficient solutions for fluid connections. Designed to meet the Japanese Industrial Standard (JIS B 2291), these square flanges are recognized for their durability, leak-proof performance, and compatibility with various industrial applications.
In this article, we explore the features, applications, advantages, and selection criteria for JIS B 2291 square flanges, showcasing their value in modern hydraulic engineering.
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1. What Are JIS B 2291 Square Flanges?

JIS B 2291 square flanges are standardized hydraulic connectors designed for use in medium- to high-pressure systems. Their square design provides enhanced stability and sealing capabilities, making them suitable for diverse applications in hydraulic and pneumatic systems.
Material: Commonly manufactured from carbon steel, stainless steel, or alloy steel for strength and corrosion resistance.
Pressure Range: Designed to handle pressures up to 300 bar, depending on the material and size.
Connection Type: Typically used in systems requiring flange-to-flange or flange-to-pipe connections.

2. Features of JIS B 2291 Square Flanges

1. Precise Engineering
• Conforms to the JIS B 2291 standard for consistency and compatibility.
2. Leak-Proof Sealing
• Includes O-ring grooves for superior sealing and fluid integrity.
3. Corrosion Resistance
• Optional surface treatments such as galvanizing or coating enhance resistance to rust and wear.
4. Versatile Application
• Suitable for both hydraulic and pneumatic systems in various industries.
5. Easy Maintenance
• The modular design allows for quick assembly and disassembly.
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3. Applications of JIS B 2291 Square Flanges

1. Hydraulic Equipment
• Used in hydraulic pumps, valves, and cylinders for secure fluid connections.
2. Industrial Machinery
• Essential for fluid transfer in manufacturing equipment, robotics, and assembly lines.
3. Marine Systems
• Common in shipbuilding and offshore engineering due to their reliability in harsh environments.
4. Automotive and Transportation
• Applied in hydraulic systems for construction vehicles, railway equipment, and more.
5. Energy Sector
• Used in wind turbines, hydroelectric plants, and other renewable energy systems.

4. Advantages of JIS B 2291 Square Flanges

1. Global Standardization
• The JIS B 2291 standard ensures consistent performance and compatibility across industries.
2. Robust Construction
• Withstands high pressures and extreme operating conditions.
3. Cost-Effective
• Reduces downtime and maintenance costs due to its reliable performance and easy installation.
4. Flexible Design
• Offers multiple size options and port configurations to meet diverse application needs.
5. Customizable Solutions
• Manufacturers like JETE FITTINGS provide customized square flange solutions for specific requirements.
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5. Why Choose JETE FITTINGS for JIS B 2291 Square Flanges?

At JETE FITTINGS, we are committed to delivering high-quality JIS B 2291 square flanges tailored to meet your hydraulic system needs.
Precision Manufacturing: All flanges are machined to meet exact specifications, ensuring a perfect fit.
Material Options: Choose from a wide range of materials, including carbon steel, stainless steel, and specialty alloys.
Customization Services: Our team can design and produce square flanges according to your specific requirements.
Rigorous Quality Control: Every product undergoes strict testing to guarantee performance and durability.
Comprehensive Support: From selection to installation, our team offers full technical assistance and after-sales service.

6. Selecting the Right JIS B 2291 Square Flange

When choosing a JIS B 2291 square flange, consider the following:
1. Operating Pressure
• Ensure the flange meets your system’s pressure requirements.
2. Material Compatibility
• Select materials that are resistant to the fluids and environmental conditions of your application.
3. Size and Configuration
• Choose the correct size and port configuration for your hydraulic or pneumatic system.
4. Standard Compliance
• Verify that the flange adheres to the JIS B 2291 standard to ensure compatibility and reliability.

7. Conclusion

JIS B 2291 square flanges are a cornerstone of reliable hydraulic connections, offering superior performance and adaptability for various industrial applications. Whether you’re upgrading an existing system or designing a new one, these flanges provide the reliability and flexibility you need.
Explore our extensive range of JIS B 2291 square flanges at JETE FITTINGS and let us help you find the perfect solution for your hydraulic and pneumatic systems.

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