Product Description

Product Description

 
 

      Steel flexible joint is also called clamp, open expansion joint, steel flexible pipe joint. Steel flexible joint is a kind of pipe connection, reliable performance, easy to install products. At low pressure, by the elastic deformation of the sealing ring, to achieve the purpose of sealing; When the pressure increases, the medium acts on the sealing ring to play the role of self-sealing, and there is a gap between the pipe ends to compensate for the displacement and deflection of the pipe caused by thermal expansion and cold contraction.

The working temperature of the clamp joint is generally -30ºC-+130ºC. The medium property is weak acid, weak alkali and lubricating oil range can be applied. If beyond the above range can also provide our company with the nature of the medium parameters or optional parameters or optional specified rubber ring material. In addition to the connection function, the joint can also provide compensation, withstand axial force, provide Angle, reduce vibration wave, adapt to the change of foundation.

The advantages of clamp joint:

1 Clamp joint has good continuity, will not produce distortion, easy to achieve the ideal laying state.
2 Clamp pipe joint in a free state, do not bear the weight of the pipe, not subjected to external shear, especially DN200 pipe diameter, more must consider the weight of the pipe.
3. It is easy to keep the coaxial position when installing the clamp joint to ensure the uneven distribution of the radial clearance between the inner diameter of the pipe clamp and the outer diameter of the pipe. The rubber ring will be deformed under high pressure due to the large local clearance, which will affect the sealing effect and even destroy the rubber ring.
4. It is suitable for the application in the subsidence zone, which can reduce the Angle between the pipe segments caused by the subsidence of the support pier.
5 is conducive to pipeline maintenance. Turn the pipe, save labor and effort when changing the pipe.
 

Detailed Photos

 

 

 

 

Product Parameters

PN1.6/2.5/4.0/6.4MPa     KRHD
 

DN(mm)	Dw(mm)	Allowable  Angle Φ	Installation  length L   (mm)	Maximal length (mm)	Fitting  bolt  d×L    (mm)
80	89	17.90	100	110	M12*60
100	108	15.06	100	110	M14*60
125	133	13.05	105	115	M14*60
150	159	12.09	110	120	M14*60
175	194	10.51	110	120	M16*60
200	219	9.33	116	126	M16*75
225	245	8.36	122	132	M16*80
250	273	7.51	127	137	M18*90
300	325	6.32	130	140	M18*100
350	377	5.45	135	145	M18*100
400	426	4.80	140	150	M18*110
450	480	4.28	145	155	M18*110
500	530	3.88	150	160	M18*120
600	630	3.27	155	165	M18*120
700	720	2.86	160	170	M20*120
800	820	2.51	165	175	M20*130
900	920	2.24	170	180	M20*130
1000	1571	2.02	175	185	M20*130
1200	1220	1.69	180	190	M22*140
1400	1420	1.45	185	195	M22*140
1600	1620	1.27	190	200	M22*140
1800	1820	1.13	195	205	M22*150
2000	2571	1.01	200	210	M24*150
2200	2571	1.01	205	215	M24*150
2400	2420	1.01	210	220	M24*150
2600	2620	1.01	215	225	M24*160
2800	2830	1.01	220	230	M27*160
3000	3571	1.01	225	230	M27*160
3200	3220	1.01	230	240	M27*180

 
Datas above are only for reference,if you want to know more details, please click here to contact us.

 

Installation Instructions

 

1. Prepare groove pipe sections, fittings and accessories that meet the requirements.

2. Check whether the rubber sealing ring is damaged and put it on the end of a steel pipe.
3. There should be a certain gap between the end and both ends of the steel pipe close to the end and both ends of the pipe which has been         covered with rubber sealing ring. The clearance shall meet the standard requirements.
4.  Put the rubber seal ring on the end of another steel pipe, make the rubber seal ring in the middle of the interface, and apply lubricant on the same side.
5. Check the axis of the pipe.
6. Install upper and lower clamps on the outer side of rubber seal-ing ring at the interface position, and clip the collar convex edge into the groove.
7. Press the upper and lower clamp ears with hand force, tighten the collar of the clamp with a wooden hammer, and tighten the upper and lower clamps tightly.
8. At the clamp screw hole position, put on the studs and tighten the nuts evenly to prevent the rubber sealing ring from wrin-kling.
9. check  and  comfirm  that  the  collar  convex  edge  is  clamped  into  the  groove.
 

products application

 

 

Company Profile

 

        HangZhou Ruixuan pipeline equipment factory was founded in 1996.It  is an excellent  enterprise  specializing  in manufacturing  and selling pipe fittings.It’s located  in Xicun village ,HangZhou  city,ZheJiang province ,the concentrated  area  of pipeline equipment industry  in China.The company factory  is located  in Xicun town pipeline equipment industrial park.It covered an area of20000  square  meters.

        At present, the company has the production capacity of pipeline equipment with a maximum diameter of 4000mm, and its main products are: Steel expansion joint, flexible waterproof sleeve, large diameter flange, double flange force transfer expansion joint, large deflection loose sleeve compensation joint, spherical compensation joint, sleeve compensator, bellows compensator, non-metallic compensator, rubber expansion joint, DC medium no thrust sleeve compensator, flexible expansion pipe and other pipeline equipment. The annual production capacity is 30 million sets.

       The flexible telescopic pipe equipment is mainly used in the pipeline crossing different geological structures under different conditions and the application of pipe installation drop, reduce or avoid the impact of geological settlement and crustal activity on the pipeline, so that the construction unit can save more than 50% of the cost when purchasing the equipment. The rubber expansion joint series products of the company, the maximum production diameter of 3600mm, have been applied in millions of units of thermal power projects in China for many times, and have been praised by the users.

       The company passed ISO9001:2008 quality management system certification in 2009 and ISO14000:2004 environmental management system certification in 2009. The company has a strict quality control system, standard production process, standard factory inspection hand section, to ensure that every product meets the national standards and customer requirements.

       Business philosophy: responsible production of products, return the trust of customers; To build a community with a sense of belonging and appreciate employees’ contributions; Make a contribution to the society of enterprises, give back to the good times. HangZhou Ruixuan pipeline equipment factory is willing to work with friends from all walks of life hand in hand, mutual support, create a better future!
 

Certifications

 

FAQ

 

Q:Can you make the product as per client’s requirement?
A:Yes, we can make it with your exact requirement.

Q:What are your payment terms?
A:T/T (30% as deposit, the rest 70% will be paid before delivery), L/C at sight.

Q:Where is your nearest loading port?
A:ZheJiang , HangZhou or ZheJiang , China.

Q:How can you guarantee the quality or any warranty?
A:If any quality problems during use, all the products can be returned or according to consumer’s requests.

Q:Do you accept small quantity order?
A:Of course we do.

Q:And what is your shipment and delivery time?
A:By sea or air. Normally 7 to 14 Days for delivery, according to your order quantity.

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Are There Any Maintenance Requirements for Clamp Couplings to Ensure Their Longevity?

Yes, like any mechanical component, clamp couplings require regular maintenance to ensure their longevity and optimal performance. Proper maintenance can help prevent premature wear, reduce the risk of failure, and extend the service life of the coupling. Here are some essential maintenance practices for clamp couplings:

• Regular Inspection: Perform visual inspections of the clamp coupling regularly to check for signs of wear, damage, or misalignment. Look for cracks, corrosion, or any deformation in the coupling components.
• Lubrication: Some clamp couplings may require periodic lubrication to reduce friction between moving parts. Check the manufacturer’s guidelines for the appropriate lubrication schedule and use the recommended lubricant.
• Bolt Tightening: Ensure that all the bolts and screws securing the clamp coupling are properly tightened according to the manufacturer’s specifications. Loose bolts can lead to misalignment and coupling failure.
• Alignment: Regularly check the alignment of the connected shafts. Misalignment can cause excessive stress on the coupling and lead to premature wear. If misalignment is detected, it should be corrected promptly.
• Environmental Protection: If the clamp coupling is used in harsh environments, take measures to protect it from dust, debris, and corrosive substances. Use suitable covers or guards to shield the coupling from external contaminants.
• Load Monitoring: Be aware of the operating conditions and load requirements of the machinery. Excessive loads or shock loads can impact the performance of the coupling. Avoid exceeding the coupling’s specified torque and speed limits.
• Regular Replacement: Even with proper maintenance, clamp couplings have a finite service life. It is essential to follow the manufacturer’s recommendations for replacing the coupling at the end of its expected lifespan or if any significant wear or damage is detected.

By following these maintenance practices, operators can ensure that the clamp couplings remain in good condition and continue to function reliably. Regular maintenance not only extends the coupling’s lifespan but also enhances the safety and efficiency of the entire mechanical system. Always refer to the manufacturer’s guidelines and instructions for the specific maintenance requirements of the clamp coupling model used in the application.

Use of Clamp Couplings in Horizontal and Vertical Shaft Applications

Yes, clamp couplings can be used in both horizontal and vertical shaft applications. The design of clamp couplings allows them to provide secure and reliable shaft connections in various orientations, making them versatile for different mechanical systems.

Horizontal Shaft Applications: In horizontal shaft applications, clamp couplings are commonly used to connect two shafts in a straight line. They are often employed in conveyor systems, pumps, fans, and other machinery where the shafts are aligned horizontally. The clamping action of the coupling ensures a rigid and balanced connection, transmitting torque efficiently from one shaft to another.

Vertical Shaft Applications: In vertical shaft applications, such as in vertical pumps, mixers, or gearboxes, clamp couplings need to support the weight of the connected components in addition to transmitting torque. The design of clamp couplings with robust clamping screws ensures that the coupling remains securely fastened even in vertical orientations.

Factors to Consider: While clamp couplings are suitable for both horizontal and vertical shaft applications, there are some considerations to keep in mind:

1. Load and Weight: In vertical shaft applications, the coupling must handle the weight of the rotating components. It is essential to choose a clamp coupling with sufficient load-carrying capacity to support the vertical arrangement.
2. Alignment: Proper alignment of the shafts is crucial for any coupling, but it becomes particularly important in vertical applications to avoid excessive loads and premature wear.
3. Material and Environment: Selecting the appropriate material and surface treatment for the clamp coupling is essential, especially if the application involves exposure to harsh environments or corrosive substances.

Overall, clamp couplings are a reliable and cost-effective choice for various shaft applications, and their ability to perform well in both horizontal and vertical orientations makes them widely used in a range of industrial machinery and equipment.

Handling Misalignment with Clamp Couplings

Yes, clamp couplings are designed to handle certain degrees of misalignment between shafts effectively. They can accommodate both angular and parallel misalignments, making them versatile for various mechanical systems.

The design of clamp couplings allows for a certain degree of flexibility and forgiveness in the coupling’s connection. When the shafts are not perfectly aligned due to angular or parallel misalignment, the clamp coupling can compensate for these variations.

The main factors contributing to the clamp coupling’s ability to handle misalignment are:

• Flexible Material: Clamp couplings are often made of materials like aluminum, stainless steel, or other alloys with some elasticity. This flexibility enables them to absorb and compensate for minor misalignments.
• Split Design: Clamp couplings usually have a split design with one or more screws or bolts that can be tightened to secure the coupling around the shafts. This design allows for easy installation and adjustment, making it possible to accommodate slight misalignments during assembly.
• Tightening Mechanism: The screws or bolts used to fasten the clamp coupling can be tightened to the appropriate torque, providing a secure connection while still allowing for a certain amount of movement to handle misalignment.

However, it’s important to note that clamp couplings have limitations when it comes to misalignment. Excessive misalignment can lead to increased wear on the coupling components and shafts, reducing the coupling’s lifespan and potentially causing failure. Therefore, it’s essential to ensure that the misalignment does not exceed the coupling’s specified limits.

For more significant misalignments or applications with constant large misalignments, flexible couplings like elastomeric couplings or gear couplings may be more suitable. It’s crucial to select the appropriate coupling type based on the specific misalignment requirements of the mechanical system.

In conclusion, while clamp couplings can handle certain degrees of misalignment effectively, it is essential to stay within the recommended misalignment limits to maintain the coupling’s performance and longevity.

editor by CX 2024-03-28