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Flat face hydraulic fittings

We provide flat face hydraulic fittings that offer a leak-free connection. These fittings feature precise mating surfaces that create a seal without the need for gaskets or O-rings. This results in a more reliable and durable connection, reducing the risk of leaks and downtime in hydraulic systems.

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Various Flat Face Hydraulic Fittings

flat face o'ring hydraulic fittings

Flat Face O'ring Hydraulic Fittings

We supply flat face O-ring fittings that combine the benefits of both flat face and O-ring sealing. These fittings utilize a precisely machined flat face for initial contact and an O-ring for the final seal. This hybrid approach ensures a reliable and leak-free connection, even under high pressure and demanding conditions.

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BSP flat face fitting

BSP flat face fitting

We supply BSP (British Standard Pipe) flat face fittings, designed for high-pressure applications. These fittings utilize precise mating surfaces to create a leak-free seal without the need for gaskets or O-rings. This results in a robust and reliable connection, minimizing the risk of leaks and enhancing the overall performance of your hydraulic system.

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metric flat face hydraulic fittings

metric flat face hydraulic fittings

We supply metric flat face hydraulic fittings designed for high-pressure applications. These fittings adhere to ISO standards, ensuring compatibility and interchangeability. They offer a reliable seal with minimal leakage, improving system efficiency and reducing maintenance costs.

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metric flat face hydraulic fittings

metric flat face hydraulic fittings

We supply metric flat face hydraulic fittings designed for high-pressure applications. These fittings adhere to ISO standards, ensuring compatibility and interchangeability. They offer a reliable seal with minimal leakage, improving system efficiency and reducing maintenance costs.

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Flat Face Hydraulic Fitting Sizes

flat face hydraulic fitting sizes

Hydraulic Hose Ferrule Material

Flat face hydraulic fittings come in a variety of sizes, typically specified by their body size or port size.   

  • Body Size: This refers to the overall diameter of the fitting. Common sizes include 1/4″, 3/8″, 1/2″, 3/4″, 1″, and larger.   
     
  • Port Size: This indicates the size of the internal passage for fluid flow. It’s often the same as the body size but can vary depending on the specific fitting design.
  • Metric Sizes: Metric sizes are also available, often specified in millimeters (e.g., 6 mm, 10 mm, 12 mm).   
     
  • Thread Types: Fittings can have different thread types, such as NPT (National Pipe Thread), BSP (British Standard Pipe), or SAE.

Various Flat Face Hydraulic Fitting Sizes

Selecting the Right Size:

Choosing the correct size is crucial for proper system function and compatibility. Factors to consider include:

  • Flow Rate: Higher flow rates generally require larger fittings.
  • Pressure Requirements: Higher pressures may necessitate larger or more robust fittings.   
     
  • Hose Size: The fitting size should match the hose size for optimal performance.  

Why Choose Our Flat Face Hydraulic Fittings

Superior Sealing Performance

  • Our flat face fittings utilize precision-machined mating surfaces that create a metal-to-metal seal without the need for gaskets or O-rings.
  • This eliminates potential leak points and ensures a consistent, reliable seal even under high pressures and extreme temperatures.
  • This minimizes downtime and maintenance costs associated with leaks.

Improved System Efficiency:

  • Our flat face hydraulic hose fittings minimize pressure drop across the connection, leading to improved system efficiency and reduced energy consumption.
  • This is crucial for applications where energy efficiency is a critical factor, such as mobile equipment and industrial machinery.

Enhanced Durability and Longevity:

  • The robust design and high-quality materials used in our fittings provide exceptional durability and resistance to wear and tear.
  • They can withstand high pressures, vibration, and harsh environmental conditions, ensuring long-lasting performance in demanding applications.
  • This reduces the need for frequent replacements, saving you time and money in the long run.

Ease of Installation and Maintenance:

  • Our flat faced hydraulic fittings are designed for easy installation and maintenance.
  • The simple, robust design minimizes the risk of installation errors and reduces the time required for assembly and disassembly.
  • This can significantly improve productivity and reduce downtime in your operations.

Flat Face Hydraulic Fittings FAQs

Flat face hydraulic fittings are specialized connectors used in hydraulic systems.   

 

Key Characteristics:

  • Leak-Free Connection: They feature precise mating surfaces that create a seal without the need for gaskets or O-rings. This eliminates potential leak points and ensures a reliable and durable connection.   
     
     
  • Metal-to-Metal Seal: The seal is formed by the direct contact of the two mating surfaces, providing a strong and consistent connection.   
     
  • High Pressure Capability: Designed to withstand high pressures found in demanding hydraulic applications.   
     
  • Reduced Maintenance: The elimination of gaskets and O-rings reduces the frequency of maintenance and potential for leaks, leading to lower maintenance costs.

Flat face hydraulic fittings are primarily used for:

  • Creating leak-free connections: Their unique design with precise mating surfaces eliminates the need for gaskets or O-rings, minimizing the risk of leaks and spills.
  • High-pressure applications: They are designed to withstand high pressures commonly found in demanding hydraulic systems, such as those used in construction equipment, industrial machinery, and mobile equipment.
  • Improved system efficiency: By minimizing pressure drops and preventing leaks, they contribute to improved system efficiency and reduced energy consumption.
  • Reduced maintenance: The elimination of gaskets and O-rings reduces the frequency of maintenance and the potential for leaks, leading to lower maintenance costs.
  • Easy connection and disconnection: Flat face fittings are designed for quick and easy connection and disconnection, improving productivity and reducing downtime.

In essence, they provide a reliable, efficient, and low-maintenance solution for connecting components in various hydraulic systems.

Here’s how to connect flat face hydraulic couplers:

  1. Align the Couplers: Position the male and female couplers so that their mating surfaces are aligned. Ensure the fittings are compatible in terms of size and type.
  2. Insert the Male Coupler: Push the male coupler into the female coupler, applying firm pressure until it snaps into place. You should feel a distinct “click” when the connection is secure.
  3. Verify the Connection: Inspect the connection for any leaks. If there are no leaks, the connection is secure.
  4. Relieve Pressure (Optional): If the hydraulic system is pressurized, it’s recommended to relieve the pressure before disconnecting the couplers to prevent fluid spillage.

Additional Tips:

  • Lubrication: Applying a small amount of hydraulic oil to the mating surfaces can help with insertion and prevent wear.
  • Compatibility: Ensure that the male and female couplers are compatible with each other. Mismatched couplers may not connect properly or may cause damage.
  • Safety: Always follow proper safety procedures when working with hydraulic systems, including wearing safety glasses and gloves.

1. Thread Size:

  • Thread Diameter: Use calipers to measure the outer diameter of the male threads or the inner diameter of the female threads.
  • Thread Pitch: Determine the number of threads per inch (TPI) using a thread gauge.

2. Body Size:

  • Measure the overall diameter of the fitting body, excluding any protruding parts like threads or bosses.

3. Sealing Face Diameter:

  • For flat face fittings, measure the diameter of the sealing surface. This is crucial for ensuring proper mating with other components.

4. Other Relevant Dimensions:

  • Overall Length: Measure the total length of the fitting.
  • Boss Diameter (if applicable): If the fitting has a boss (a raised area around the threads), measure its diameter.
  • O-Ring Groove Dimensions (if applicable): If the fitting has an O-ring groove, measure its diameter and depth.

Tools Needed:

  • Calipers: For accurate measurements of diameters.
  • Thread Gauge: To determine the number of threads per inch.
  • Ruler or Measuring Tape: For measuring overall length and other dimensions.

Important Considerations:

  • Thread Type: Note the thread type (e.g., NPT, BSPP, ORFS).
  • Metric vs. Imperial: Determine whether the fitting uses metric or imperial units.
  • Manufacturer‘s Specifications: Refer to the manufacturer‘s specifications for the most accurate and complete dimensional information.

By carefully measuring these dimensions, you can accurately identify and order the correct replacement fittings for your hydraulic system.

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If you are looking for a professional hydraulic hose & industrial hose manufacturer, Kingdaflex will be your best choice. We provide better hydraulic hose wholesale and the best solution to help your hydraulic projects. Welcome to contact us at any time. 

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