Product Description

Pipe Coupling / Universal Joint Coupling / Universal Coupling

1. Application : 

*  used for pipe connection .
*  suit for Ductile Iron Pipe, Cast Iron Pipe, Steel, AC, Plastic pipe
*  Working pressure:  PN10 / PN16
*   Suit for Water, Neutral Liquids and Sewage

2. Features :

*   wide range of tolerance
*   corrosion resistance
*   allow angular deflection of +/- 4°

3.  List of Sizes :
 

S/N	Size	O.D Range
	mm	mm
1	DN40	48-60
2	DN50	59-73
3	DN65	72-85
4	DN80	88-103
5	DN100	96-116
6		108-120
7		109-128
8	DN125	132-146
9		138-153
10	DN150	158-172
11		159-182
12	DN175	192-210
13	DN200	198-225
14		218-235
15	DN250	242-262
16		250-267
17		250-274
18		272-289
19	DN300	315-332
20		322-339
21	DN350	340-360
22		351-378
23		374-391
24	DN400	390-410
25		398-430
26		417-437
27		425-442
28	DN450	450-463
29		455-475
30		476-500
31	DN500	500-508
32		500-533
33		526-546
34	DN600	600-630
35		608-636
36		630-650
37	DN700	710-739
38	DN800	816-842

Note: we accept your specific dimensions which are not included in the above list.

4. Project Cases :
 

5. Joint Product Series :

Specific Safety Considerations when Using Universal Couplings

Universal couplings are essential components in many mechanical systems, and their proper use is critical for the safety of personnel and the integrity of the equipment. Here are some specific safety considerations when using universal couplings:

1. Regular Inspections: Perform routine inspections of the universal coupling to check for signs of wear, damage, or misalignment. Any issues should be addressed promptly to prevent potential accidents.
2. Proper Installation: Ensure that the universal coupling is installed correctly and securely. Follow the manufacturer’s guidelines and torque specifications for tightening bolts, set screws, or clamps.
3. Shaft Locking Mechanisms: If the universal coupling uses set screws or clamps to secure the shafts, ensure that these locking mechanisms are adequately tightened and checked periodically to prevent shaft slippage during operation.
4. Correct Coupling Selection: Choose the appropriate universal coupling based on the specific application’s torque, speed, and misalignment requirements. Using an undersized coupling can lead to premature failure and safety hazards.
5. Misalignment Limits: Stay within the manufacturer’s specified misalignment limits for the universal coupling. Excessive misalignment can lead to increased stress on the coupling and connected components, potentially causing failure.
6. Guarding and Enclosure: If the universal coupling is exposed or accessible to personnel, consider installing guarding or enclosures to prevent accidental contact and reduce the risk of injury.
7. Training and Awareness: Ensure that personnel working with or around machinery equipped with universal couplings receive proper training and understand the potential hazards associated with these components.
8. Maintenance and Lubrication: Follow a regular maintenance schedule and lubricate the universal coupling as recommended by the manufacturer. Proper lubrication reduces friction and wear, contributing to safe and reliable operation.
9. Emergency Stop: Equip the machinery with an emergency stop system that allows operators to quickly shut down the equipment in case of an emergency or abnormal condition.
10. Consult the Manufacturer: If there are any concerns or questions about the safety aspects of using a universal coupling in a specific application, consult the manufacturer or a qualified engineer for guidance.

By adhering to these safety considerations and implementing proper installation, maintenance, and operational practices, the use of universal couplings can be safer and more effective in power transmission applications.

How do you select the right half coupling material based on the fluid or gas being conveyed?

When choosing the right half coupling material for a specific fluid or gas conveyance application, several factors need to be considered. The material selection is critical to ensure compatibility with the conveyed substance, prevent corrosion, and maintain the overall integrity of the coupling. Here are the steps to help select the appropriate half coupling material:

1. Identify the Conveyed Fluid or Gas: Determine the type of fluid or gas that will flow through the system. Consider factors such as the chemical composition, temperature, pressure, and whether it is corrosive or abrasive.

2. Check Material Compatibility: Ensure that the material of the half coupling is compatible with the conveyed substance. Some fluids or gases may react with certain materials, leading to corrosion or contamination. For example, corrosive chemicals may require corrosion-resistant materials such as stainless steel.

3. Consider Temperature and Pressure: High temperatures and pressures can affect the mechanical properties of the coupling material. Ensure that the selected material can withstand the operating conditions without compromising its structural integrity.

4. Corrosion Resistance: If the conveyed substance is corrosive, select a material that offers high corrosion resistance. Stainless steel, for instance, is known for its excellent corrosion resistance properties.

5. Abrasion Resistance: For applications involving abrasive fluids or gases, choose a material that can withstand wear and erosion. Hardened materials or those with protective coatings may be suitable.

6. Compliance with Standards: Consider whether there are specific industry standards or regulations that dictate the choice of material for certain applications. Ensure that the selected material meets these standards, especially in critical industries like food, pharmaceuticals, or petrochemicals.

7. Budget and Availability: Take into account the cost of the material and its availability. Some specialized materials may be more expensive or harder to obtain, so it’s essential to balance performance requirements with budget constraints.

8. Seek Expert Advice: If unsure about the best material choice, consult with coupling manufacturers or industry experts who can provide guidance based on the specific application requirements.

By carefully considering the conveyed fluid or gas, the operating conditions, and the material properties, it is possible to select the right half coupling material that ensures reliable and safe conveyance in the system.

Choosing the Right Universal Coupling for a Specific Application

When selecting a universal coupling for a particular application, several factors need to be considered to ensure optimal performance and reliability:

• Load and Torque Requirements: Determine the maximum load and torque that the coupling will experience during operation. Choose a universal joint that can handle these loads without exceeding its rated capacity.
• Speed: Consider the operating speed of the application as high-speed applications may require different coupling designs to ensure smooth power transmission.
• Shaft Sizes: Measure the diameters of the shafts that need to be connected. The universal coupling should have compatible shaft bores to ensure a proper fit.
• Angular Misalignment: Evaluate the angle between the shafts that the universal joint needs to accommodate. Choose a universal coupling with the appropriate angular misalignment capability to avoid excessive stress on the components.
• Environmental Conditions: Consider the environmental factors such as temperature, humidity, dust, and corrosive agents. Choose a coupling made from materials suitable for the specific conditions to ensure longevity and reliability.
• Space Limitations: Evaluate the available space for the coupling installation. Ensure that the chosen universal joint can fit within the constraints of the system.
• Serviceability: Consider the ease of maintenance and the availability of replacement parts if needed. Opt for a universal coupling that is easy to access and service when required.
• Application Type: Determine the specific application type, such as automotive, industrial machinery, marine, aerospace, etc. Different applications may require unique coupling designs and materials to meet their demands.
• Alignment Frequency: If the system experiences frequent misalignments, consider using constant velocity joints (CV joints) that maintain a constant speed ratio between input and output shafts even at different angles.

By carefully considering these factors and matching the specifications of the universal coupling to the specific application requirements, you can ensure reliable and efficient power transmission and minimize the risk of premature coupling failure.

editor by CX 2023-08-15