Product Description

Product Name: Air hose coupling

Type : Euro / Chicago Type

Standard: DIN3489

Material: Carbon Steel—ZN PLATED/ BRASS/ SS

Maximum Pressure:150PSI

Size: 1/4″ 3/8″ 1/2″ 3/4″ 1″ 1.1/2″ 1.1/4″ 2″ 

Thread: BSP,  NPT  also avaliable
 

European Type Chicago Style Universal Air Hose Coupling

Specification:
 

Hose End	Gaskets are N.B.R
Size	Carbon Steel Part Number	Brass Part Number	Stainless Steel Part Number
1/4″	H571 CS	H571 BR	H571 SS
3/8″	H038 CS	H038 BR	H038 SS
1/2″	H050 CS	H050 BR	H050 SS
3/4″	H075 CS	H075 BR	H075 SS
1″	H100 CS	H100 BR	H100 SS

 

Female N.P.T Ends			Gaskets are N.B.R
Size	Carbon Steel Part Number	Brass   Part Number	Stainless Steel Part Number
1/4″	F571 CS	F571 BR	F571 SS
3/8″	F038 CS	F038 BR	F038 SS
1/2″	F050 CS	F050 BR	F050 SS
3/4″	F075 CS	F075 BR	F075 SS
1″	F100 CS	F100 BR	F100 S

 

Female N.P.T End with Four Lug			Gaskets are N.B.R
Size	Carbon Steel Part Number	Brass Part Number	Stainless Steel Part Number
1-1/4″	F125 CS	F125 BR	F125 SS
1-1/2″	F150 CS	F150 BR	F150 SS
2″	F200 CS	F200 BR	F200 SS

 

Hose End with Four Lug			Gaskets are N.B.R
Size	Carbon Steel Part Number	Brass Part Number	Stainless Steel Part Number
1-1/4″	H125 CS	H125 BR	H125 SS
1-1/2″	H150 CS	H150 BR	H150 SS
2″	H200 CS	H200 BR	H200 SS

Technical:

PACKING

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How to Install and Align a Universal Coupling in a Mechanical Assembly

Proper installation and alignment of a universal coupling are crucial for its efficient and reliable operation. Here are the steps to install and align a universal coupling in a mechanical assembly:

1. Prepare the Coupling Components: Ensure that all the universal coupling components are clean and free from any dirt, debris, or damage. Verify that the shafts to be connected are appropriately sized and compatible with the coupling.
2. Inspect the Coupling: Check the universal coupling’s spider or cross assembly for any signs of wear, cracks, or damage. Replace the spider if it shows any signs of deterioration.
3. Align the Shafts: Position the two shafts that need to be connected to the universal coupling. Align the shafts as closely as possible, aiming for minimum misalignment. Ensure that the shafts are parallel and that the angular misalignment is within the coupling’s specified tolerance.
4. Insert the Spider: Carefully insert the spider or cross assembly into the forks of the universal coupling. Make sure the spider is properly seated and fits securely in both forks.
5. Secure the Coupling: Depending on the type of universal coupling, secure the forks onto the shafts using set screws, bolts, or clamps. Follow the manufacturer’s guidelines for the specific coupling model.
6. Check for Free Movement: After securing the coupling, check that the spider allows for free movement of the shafts within the specified angular and axial limits. The shafts should rotate smoothly without any binding or interference.
7. Perform a Trial Run: Before finalizing the installation, perform a trial run to ensure that the coupling operates smoothly and without any unusual vibrations or noises.
8. Make Final Adjustments: If necessary, make minor adjustments to the alignment or coupling position to optimize the performance. Recheck the shaft alignment and ensure that it meets the required specifications.
9. Tighten Fasteners: Once the alignment is satisfactory, tighten all the fasteners securely to prevent any movement or slippage during operation.
10. Perform Regular Maintenance: Schedule regular inspections and maintenance for the universal coupling to ensure its continued performance and reliability. Lubricate the coupling as per the manufacturer’s recommendations to reduce wear and friction.

Remember that accurate alignment of the universal coupling will minimize stress on the shafts and extend the lifespan of the coupling and connected components. If you are unsure about the installation process or the coupling’s compatibility with your system, consult the manufacturer or a qualified engineer for guidance.

Can a Universal Coupling Reduce Vibration and Noise in Mechanical Systems?

Yes, a universal coupling can help reduce vibration and noise in mechanical systems, especially in applications where misalignment is a concern. Universal couplings are designed to accommodate angular misalignment between shafts, which can arise due to various factors such as manufacturing tolerances, thermal expansion, or dynamic forces.

When shaft misalignment occurs in a mechanical system, it can lead to vibration and noise during operation. This is because misaligned shafts cause uneven distribution of forces and result in increased stresses on bearings, shafts, and other connected components. The resulting vibration and noise can be detrimental to the performance, efficiency, and lifespan of the machinery.

By using a universal coupling, the coupling’s design allows it to compensate for angular misalignment and minimize the transmission of misalignment-induced vibrations to the connected equipment. The flexibility of the universal coupling allows it to handle moderate angular misalignments while transmitting torque smoothly between shafts. This reduces the stresses on the connected components and mitigates the vibration and noise levels.

However, it is important to note that while universal couplings can help reduce vibration and noise caused by angular misalignment, they may not address other sources of vibration and noise in the system. For example, if the vibration is primarily caused by unbalanced rotating parts, worn bearings, or other factors unrelated to misalignment, a universal coupling alone may not be sufficient to eliminate the issue.

Overall, when selecting a universal coupling for a specific application, it is essential to consider the level of misalignment it can handle, the type of vibration and noise issues present, and whether additional measures are required to address other sources of vibration and noise in the mechanical system.

What is a Universal Coupling and Where is it Used in Mechanical Systems?

A universal coupling, also known as a universal joint or U-joint, is a mechanical device used to connect two shafts that are not in a straight line and allow them to rotate at different angles to each other. It is a type of coupling that provides flexibility and compensates for misalignment between shafts, making it ideal for transmitting torque in applications where shafts are not perfectly aligned.

The universal coupling consists of two yoke-like shaft ends connected by a cross-shaped intermediate component. Each yoke end is attached to one of the shafts, and the cross-shaped component allows the two shafts to rotate independently while maintaining rotational power transmission.

The universal coupling is widely used in various mechanical systems and applications, including:

• Automotive Drivetrains: Universal couplings are commonly used in automotive drivetrains to transmit power from the engine to the wheels. They allow the driveshaft to accommodate changes in angle and distance between the engine, transmission, and wheels.
• Industrial Machinery: In industrial machinery, universal couplings are used to connect shafts in equipment such as pumps, compressors, gearboxes, and conveyors. They enable smooth power transmission even when the shafts are misaligned due to installation tolerances or operational conditions.
• Marine Applications: Universal couplings are used in marine propulsion systems to connect the engine to the propeller shaft. They can accommodate the movement of the ship’s hull and allow the propeller to rotate at different angles to the engine.
• Aerospace: Universal couplings are used in aerospace applications to transmit torque between non-aligned shafts, such as in aircraft control systems.
• Steering Mechanisms: Universal couplings are employed in steering systems of vehicles and machinery to transfer motion from the steering wheel to the steering linkage, allowing for changes in angles during turning.

Overall, universal couplings are essential components in many mechanical systems where misalignment and flexibility are a concern. They facilitate smooth power transmission, reduce vibration, and extend the life of the connected equipment by absorbing shocks and compensating for misalignment.

editor by CX 2024-04-26