Product Description

Product Description

 

GREAT WALL Stainless Steel Straub Coupling with Copper Anchoring Teeth is high performance coupling suitable for varied pipe systems. 
Our Coupling provide Axial Restraint for Pipe Connection . 
Our straub couplings used to join Metal Pipe to Metal Pipe or Metal Pipe to Plastic Pipe or Plastic Pipe to Plastic Pipe .
They are mainly used for building construction or civil engineering, power plants and etc .
This pipe joining coupling absorbs unexpected field stress and applies perfect for seismic retrofits 
All of our Coupling designated with GRIP have axial restraint .
In order to able to absorb the axial forces arising from the internal pressure, 
anchoring teeth engage in the relevant pipe materials and provide a mechanical frictional connection.
If the axial tensile load on the pipe increases due to increasing internal pressure, 
the teeth engage deeper inot the pipe surface .
 These flexible and lightweight Couplings come fully assembled and can be installed without using any special tools .

1. Briefs : 

*  Mainly used for varied pipe connection
*  Specific designed for plastic pipe such as PE, PVC, PPR, HDPE pipe 
*  Suit for water, gas, industry pipeline 

2. Features :

*   used for connection of 2 plastic pipe or the connection between plastic pipe and metalic pipe
*   also used for the leaking pipe repair 
*   allow angular deflection and provide restraint 
*   anticorrosive
*    easy installation and disassembly 

3.  Dimension Sheet : 
 

S/N	Pipe OD	O. D Range	Pressure	Coupling Length	Screw Torque
	mm	mm	bar	mm	Nm
1	63	21-23	20	75	25
2	75	26-28	20	105	30
3	90	33-35	20	105	40
4	110	42-44	20	120	40
5	125	47-49	20	120	50
6	140	56-58	20	120	50
7	160	59-62	20	120	60
8	180	62-64	16	152	60
9	200	75-78	16	152	60
10	225	79-81	16	152	60
11	250	88-92	16	152	60
12	280	106-110	16	152	60
13	315	112-116	16	152	60
14	355	116-119	16	152	60
15	400	123-126	12	152	60
16	450	131-134	12	152	60
17	500	137-143	12	152	70
18	560	157-161	10	152	70
19	630	163-166	10	152	70
20	800	166-170	10	152	80

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

Misaligned Tooth Couplings: Challenges and Mitigation

Misalignment in tooth couplings can lead to various challenges that affect coupling performance and equipment reliability. Here are some challenges that can arise from misaligned tooth couplings and how they can be mitigated:

1. Increased Wear: Misalignment causes uneven loading and increased stress on the teeth of the coupling, leading to accelerated wear and potential tooth damage.

2. Reduced Efficiency: Misaligned couplings can result in energy losses due to increased friction and inefficient torque transmission.

3. Vibration and Noise: Misalignment can induce vibration and noise in the machinery system, affecting both operator comfort and equipment lifespan.

4. Premature Failure: Excessive misalignment can lead to premature coupling failure and unexpected downtime.

To mitigate these challenges, consider the following steps:

1. Proper Alignment: Ensure that the connected shafts are aligned within the specified tolerances. Use alignment tools and techniques to achieve accurate shaft alignment.

2. Regular Inspection: Perform routine inspections of the coupling to detect any signs of wear, damage, or misalignment. Address any issues promptly.

3. Lubrication: Proper lubrication reduces friction and wear, especially in misaligned conditions. Follow manufacturer guidelines for lubrication frequency and type.

4. Coupling Maintenance: Follow recommended maintenance practices provided by the coupling manufacturer to extend its lifespan and performance.

By addressing misalignment issues proactively and following proper maintenance practices, you can ensure the optimal performance and longevity of tooth couplings in your machinery systems.

Diagnosing and Addressing Issues with Tooth Couplings

Diagnosing and addressing issues related to tooth couplings within machinery systems involves a systematic approach to troubleshooting and maintenance:

• Visual Inspection: Regularly inspect tooth couplings for signs of wear, damage, misalignment, or corrosion.
• Abnormal Noises: Unusual noises during operation, such as grinding or clanking sounds, may indicate problems with tooth engagement or misalignment.
• Vibration Analysis: Excessive vibration can be a sign of misalignment or other issues. Use vibration analysis tools to identify the source of vibration.
• Temperature Monitoring: Elevated temperatures could point to problems like inadequate lubrication or excessive friction.
• Lubrication Analysis: Monitor the quality and level of lubrication to ensure proper coupling function and minimize wear.
• Alignment Check: Periodically check and adjust the alignment of connected shafts to prevent excessive load on the tooth coupling.
• Torque Measurement: Measure the transmitted torque to ensure it is within the coupling’s rated capacity.
• Replacement of Components: If wear or damage is detected, replace worn or damaged components promptly to prevent further issues.
• Professional Expertise: If problems persist or are beyond your expertise, consult with coupling manufacturers or specialists for guidance.

By regularly monitoring and addressing potential issues, you can ensure the reliable performance and longevity of tooth couplings in machinery systems.

Proper Installation and Maintenance of Tooth Couplings

To ensure the proper function and longevity of a tooth coupling, follow these guidelines:

Installation:

• Ensure shafts are aligned within manufacturer specifications to prevent excessive loads on the coupling.
• Clean and inspect the coupling components before installation to avoid debris or contaminants.
• Use appropriate tools and methods to achieve proper fit between the coupling and the shafts.
• Follow the manufacturer’s instructions for tightening bolts or fasteners to the recommended torque.

Maintenance:

• Regularly inspect the coupling for signs of wear, such as tooth damage, corrosion, or misalignment.
• Check for any abnormal vibrations, noise, or overheating during operation, which could indicate coupling issues.
• Keep the coupling and surrounding area clean to prevent the accumulation of dirt or debris.
• Regularly lubricate the coupling as per the manufacturer’s recommendations to reduce friction and wear.
• Monitor the alignment of the connected equipment and address any misalignment promptly.
• Replace worn or damaged components promptly to avoid further damage and maintain coupling performance.

Following proper installation and maintenance practices will help maximize the efficiency and service life of the tooth coupling.

editor by CX 2023-10-17