Product Description

 

ISO 16571 – NWP4 Series Quick Coupling (steel)

 

Product Feature

1. Meet the standard ISO16571
2. Push and pull connection
3. With safe lock to avoid accidental disconnection
4. Standard material: Carbon steel
5. Standard seal: Nitrile rubber, fluoride rubber

Seal elastomer data
Seal	Maximum working temperature range
Nitrile rubber	-20ºC to +100ºC
Fluoride rubber	-25ºC to +150ºC

Product Parameter
 

Size (in)	ISO (mm)	Max Working Pressure (bar)	Rated Flow (l/m)	Min Blast Pressure (bar)			Fluid Loss (ml-cc)
		Connection		Connection	Male	Female
1/4	6.3	400	12	1900	1900	1900	0.008
3/8	10	350	23	1600	1560	1780	0.01
1/2	12.5	350	45	1770	1700	1590	0.012
3/4	20	350	74	1580	1660	1420	0.015
1	25	350	100	1840	1600	1470	0.02
1-1/4	31.5	350	189	1530	1470	1400	0.03
1-1/2	40	230	288	800	700	320	0.05
2	50	150	379	600	600	280	0.1

Application Range

Hydraulic & fluid delivery
Building equipment
Agriculture machine
Multi purpose vehicle
Road vehicle
Fixed hydraulic equipment & fluid transport in factory

Interchangeability

FASTER 2FFN/2FFI series
PARKER FEM series
HANSEN FF series
AEROQUIP FD89 series

Photo Details 

 

What are the maintenance requirements for hydraulic couplings to ensure optimal performance?

Maintaining hydraulic couplings is crucial to ensure their optimal performance and extend their service life. Regular maintenance helps identify potential issues early on and prevents costly breakdowns. Here are the essential maintenance requirements for hydraulic couplings:

• Inspection: Regularly inspect the hydraulic coupling for signs of wear, damage, or leaks. Check for any unusual noises, vibrations, or changes in performance during operation.
• Lubrication: Ensure proper lubrication of the coupling’s moving parts. Use the manufacturer-recommended lubricants and follow the specified intervals for re-lubrication.
• Coupling Alignment: Check and correct the alignment of the driving and driven shafts connected by the coupling. Misalignment can lead to premature wear and reduce coupling efficiency.
• Bolt Tightening: Regularly check and tighten the bolts and fasteners securing the coupling. Loose bolts can lead to coupling slippage and compromised power transmission.
• Cleanliness: Keep the hydraulic coupling and its surrounding area clean from dirt, debris, and contaminants. Clean the coupling during scheduled maintenance to prevent contamination-related issues.
• Temperature and Pressure Checks: Monitor the operating temperature and pressure to ensure they remain within the specified limits for the coupling. Operating beyond the recommended ranges can cause damage and reduce coupling performance.
• Overload Prevention: Avoid exceeding the rated torque capacity of the coupling to prevent overload and potential damage to the coupling or connected equipment.
• Replacement of Worn Parts: Replace any worn or damaged components of the hydraulic coupling promptly. Follow the manufacturer’s guidelines for part replacement and use genuine spare parts when needed.
• Periodic Maintenance: Establish a regular maintenance schedule for the hydraulic coupling based on the operating conditions and manufacturer recommendations. Adhering to this schedule helps identify and address issues before they become severe.
• Expert Inspection: If you encounter any unusual performance issues or suspect coupling problems, consult a hydraulic system expert for a detailed inspection and analysis. They can provide valuable insights and recommendations for maintenance and repairs.

Proper and consistent maintenance of hydraulic couplings is essential to ensure their reliability, efficiency, and safe operation. By following the recommended maintenance practices, you can prolong the life of the hydraulic coupling and optimize the performance of your hydraulic system.

Can hydraulic couplings be retrofitted into existing hydraulic systems for improved performance?

Yes, hydraulic couplings can be retrofitted into existing hydraulic systems to enhance performance, improve reliability, and address specific system requirements. Retrofitting hydraulic couplings can be a cost-effective way to upgrade older systems without the need for extensive modifications or complete replacements.

Retrofitting hydraulic couplings may be beneficial for several reasons:

• Improved Efficiency: Upgrading to modern hydraulic couplings with better design features can reduce energy losses and improve overall system efficiency. For example, switching from older, less efficient couplings to newer, more streamlined designs can optimize fluid flow and reduce pressure drop.
• Leak Reduction: Older hydraulic systems may experience fluid leaks due to worn-out or damaged couplings. Retrofitting with new, high-quality couplings equipped with advanced sealing technologies can significantly reduce the risk of leaks, leading to better system reliability and environmental safety.
• Higher Pressure and Flow Capabilities: Newer hydraulic couplings may offer higher pressure and flow ratings, allowing the system to handle increased demands or heavier loads. This can be crucial for applications that require more power and performance.
• Material Compatibility: In some cases, existing hydraulic systems may have components made from materials that are not compatible with certain hydraulic fluids. Retrofitting with appropriate couplings can ensure compatibility and prevent corrosion or other fluid-related issues.
• Space Constraints: Modern hydraulic couplings often come in more compact designs, which can be advantageous for systems with limited space. Retrofitting with smaller couplings may allow for better system integration and improved layout.
• Environmental Compliance: Retrofitting hydraulic couplings can help align the system with current environmental regulations and industry standards, reducing the risk of potential fines or non-compliance issues.

Before retrofitting hydraulic couplings, careful evaluation of the existing system is necessary to ensure compatibility and identify specific areas for improvement. Factors such as thread type, size, pressure rating, flow capacity, and material compatibility must be considered to select the appropriate couplings for the retrofit.

It’s essential to consult with hydraulic coupling manufacturers or experienced fluid power professionals when planning a retrofit. They can provide guidance on suitable coupling options and recommend the necessary modifications or adjustments to optimize system performance.

In conclusion, retrofitting hydraulic couplings into existing hydraulic systems can be a viable solution for enhancing performance, reducing leaks, and achieving better overall efficiency and reliability. It allows businesses to leverage the latest advancements in hydraulic coupling technology to extend the lifespan and improve the functionality of their existing hydraulic systems.

What is a hydraulic coupling, and how does it function in fluid power transmission?

A hydraulic coupling is a mechanical device used in fluid power systems to transmit power from one shaft to another, often at different angles or distances. It facilitates the transfer of hydraulic energy from a prime mover, such as an electric motor or an internal combustion engine, to various hydraulic components, such as pumps, actuators, and cylinders.

The main function of a hydraulic coupling is to transmit rotational motion and power while accommodating misalignments and torsional vibrations. It acts as a link between the driving and driven shafts, ensuring that the hydraulic system operates smoothly and efficiently.

Hydraulic couplings operate based on the principle of hydraulic fluid transmission. The coupling consists of two main parts, the input (driving) and output (driven) elements, both of which have specially designed vanes or blades. These vanes are submerged in hydraulic fluid.

When the input element rotates, it creates a flow of hydraulic fluid around the vanes, which in turn generates pressure on the output element. The pressure difference between the two elements causes the output element to start rotating, effectively transmitting power from the input shaft to the output shaft.

Hydraulic couplings are advantageous in various applications due to their ability to:

1. Isolate Shock Loads: They can isolate and dampen shock loads and torsional vibrations, protecting sensitive components from sudden jolts and improving overall system performance.
2. Accommodate Misalignment: Hydraulic couplings can accommodate misalignment between the input and output shafts, reducing wear and tear on the system and extending the lifespan of the components.
3. Provide Overload Protection: They offer overload protection by slipping or disengaging when the torque exceeds a certain threshold, preventing damage to the system and its components.
4. Start-Up Assistance: Hydraulic couplings can provide smooth start-up assistance, gradually transmitting power as the fluid builds up pressure, minimizing shock and stress during system startup.
5. Reduce Noise and Vibration: By dampening vibrations and shock loads, hydraulic couplings contribute to quieter and smoother operation of fluid power systems.

Overall, hydraulic couplings play a critical role in fluid power transmission, ensuring efficient power transfer, protecting components from shocks and vibrations, and enhancing the overall performance and reliability of hydraulic systems in various industrial and mobile applications.

editor by CX 2023-12-06