Product Description
Product Description
The flange adaptor is mainly composed of body, gland,sealing ring and bolts. The body and gland are usually made of carbon steel or ductile iron, and the sealing ring is made of CHINAMFG sealing, which has good water tightness and air tightness.Supporting the use of expansion joints and butterfly valve, the flange surface between the axial extension and radial angular displacement, position and angle to compensate the error of pipe flange, eliminate the internal stress caused by pipeline pipeline temperature, bring great convenience to the installation and maintenance of pipelines.
Product Parameters
| time | description | material | quantity |
| 1 | end ring | stainless steel | 1 |
| 2 | gasket | EPDM | 1 |
| 3 | bolt | stainless steel | N |
| 4 | body | stainless steel | 1 |
| 5 | plastic cap | plastic | N |
| Connection for pipes in material | ductile iron,steel,PVC,AC etc. |
| Working pressure | PN10/16/25 |
| Maximum temperature | -10ºCto +70ºC |
| Application | Suitable for portable water, neutral liquidsand sewage |
feature
wide tolerance range
corrosion resistant construction
angular deflection ±4°
| DN(mm) | RANGE(mm) | LENGTH(mm) | D(mm) | BOLT | |
| SIZE | QTY | ||||
| 50 | 59-72 | 75 | 165 | M12×130 | 2 |
| 65 | 72-85 | 75 | 185 | 2 | |
| 80 | 88-103 | 76 | 185 | 4 | |
| 1/8822 0571 | 110 | 510 | |||
| 400 | 400-429 | 110 | 580 | ||
| 400 | 410-436 | 110 | 580 | ||
| 400 | 418-435 | 110 | 580 | ||
| 400 | 425-442 | 110 | 580 | ||
| 450 | 455-472 | 115 | 640 | 10 | |
| 450 | 476-493 | 115 | 640 | ||
| 500 | 500-432 | 120 | 690 | ||
| 500 | 527-544 | 120 | 690 | ||
| 600 | 600-630 | 130 | 820 | ||
| 600 | 630-647 | 130 | 820 | ||
Special size and length can also be customized.
If you want to know more details of our products,please click here to contact us
advantages
1. Installation and dismantling are very convenient.
2. Low price
3. Has a high integrity.
products application
Packaging & Shipping
Packaging
Inner:plastic film packaging.
Outer:standard export wooden case or pallet packaging.
Shipping
1.Fed Ex/DHL/UPS/TNT for sample.Door-to-Door.
2.By Air or By Sea for batch goods for LCL/FCL;Airport /Port receiving.
3.Customers specified freight forwarders or negotiable shipping methods!
4.Delivery Time: a.in stock:immediately b.sample:2 days c.OEM/ODM:3-15 DAYS.
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
exhibition
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 desposit, 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.
Pls send your detailed needs in the below and get a quick reply!
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Can Flange Couplings Be Used in Both Horizontal and Vertical Shaft Arrangements?
Yes, flange couplings can be used in both horizontal and vertical shaft arrangements. Flange couplings are versatile mechanical components designed to connect two shafts together while transmitting torque. They are available in various configurations and can accommodate different shaft orientations.
Horizontal Shaft Arrangements: In horizontal shaft arrangements, the two shafts are positioned parallel to the ground or horizontal plane. Flange couplings are commonly used in applications where the driving and driven shafts are aligned horizontally. They provide a secure and rigid connection, ensuring efficient power transmission between the shafts.
Vertical Shaft Arrangements: In vertical shaft arrangements, one shaft is positioned above the other, and they are oriented vertically. Flange couplings can also be used in these applications, but additional considerations may be necessary. Proper alignment and support are crucial to prevent excessive loads on the coupling and ensure smooth operation.
When using flange couplings in vertical shaft arrangements, it is essential to consider factors such as the weight of the connected equipment and any dynamic forces that may act on the coupling due to the vertical orientation. Proper bracing and support should be provided to prevent unnecessary stress on the coupling and its components.
Overall, flange couplings are well-suited for both horizontal and vertical shaft arrangements, making them a versatile choice for various industrial applications.

What Role Does a Flange Coupling Play in Minimizing Wear and Tear on Connected Components?
A flange coupling plays a critical role in minimizing wear and tear on connected components in rotating machinery. It accomplishes this by effectively transmitting torque between two shafts while accommodating misalignment and reducing the transmission of shock and vibration. Here’s how a flange coupling achieves these benefits:
- Misalignment Compensation: Flange couplings are designed to accommodate both angular and parallel misalignment between the shafts they connect. As machinery operates, shafts may experience slight misalignment due to thermal expansion, manufacturing tolerances, or other factors. The flexible nature of certain flange coupling designs allows them to compensate for these misalignments, preventing excessive stress on connected components that could lead to wear.
- Shock and Vibration Damping: Flange couplings help dampen shock and vibration during machinery operation. When a machine experiences sudden impacts or vibrations, the flexibility of some flange coupling types absorbs and disperses these forces. By reducing the transfer of shocks and vibrations to the connected components, flange couplings protect the machinery from excessive stress and premature wear.
- Smooth Torque Transmission: Flange couplings provide a smooth and reliable means of transmitting torque from one shaft to another. The secure connection between the two shafts ensures that torque is efficiently transmitted without slippage or sudden jolts. This smooth torque transmission helps prevent unnecessary wear on the shafts and other connected components.
- Reduced Maintenance: By minimizing wear and tear on connected components, flange couplings contribute to reduced maintenance requirements. When components experience less stress and wear, their lifespan is extended, resulting in fewer maintenance interventions and decreased downtime for repairs or replacements.
- Protection Against Overloads: In cases of sudden overloads or torque spikes, flange couplings can act as a safety feature by allowing some degree of slippage or disengagement. This protects the connected machinery from potential damage caused by excessive loads.
In summary, a flange coupling’s ability to compensate for misalignment, dampen shocks and vibrations, provide smooth torque transmission, and protect against overloads makes it a crucial component in minimizing wear and tear on connected machinery. By choosing the appropriate flange coupling design for a specific application, engineers can enhance the reliability and longevity of the entire system while reducing maintenance and downtime costs.

What are the Maintenance Requirements for Flange Couplings?
Flange couplings require regular maintenance to ensure optimal performance and longevity. Proper maintenance can help prevent unexpected failures and downtime in the machinery or equipment. Here are the key maintenance requirements for flange couplings:
1. Inspection: Regularly inspect the flange coupling for signs of wear, damage, or misalignment. Check for cracks, corrosion, or any deformations in the flange and bolt holes. Ensure that the coupling is properly aligned with the shafts.2. Lubrication: Lubricate the flange coupling as per the manufacturer’s recommendations. Proper lubrication helps reduce friction and wear between the mating surfaces of the flanges, bolts, and nuts. Use the right type of lubricant that is compatible with the coupling material.3. Bolt Torque Check: Check the bolt torque regularly to ensure that the flange coupling is securely fastened. Loose bolts can lead to misalignment and coupling failure. Follow the recommended torque values provided by the manufacturer.4. Alignment: Maintain proper shaft alignment to prevent excessive forces on the flange coupling. Misalignment can cause uneven load distribution and accelerated wear on the coupling components.5. Environmental Protection: If the flange coupling is exposed to harsh or corrosive environments, take necessary measures to protect it. Consider using protective coatings or seals to prevent corrosion and damage.6. Regular Servicing: Schedule regular servicing of the machinery or equipment, including the flange coupling. This allows for a thorough inspection and timely replacement of worn-out or damaged components.7. Replacement of Worn Parts: When signs of wear or damage are detected during inspections, replace the worn or damaged parts promptly. Delaying the replacement can lead to further damage and compromise the performance of the coupling.8. Follow Manufacturer’s Guidelines: Always follow the maintenance guidelines provided by the flange coupling manufacturer. They may have specific recommendations based on the design and material of the coupling. Proper maintenance and regular checks can extend the life of the flange coupling and contribute to the overall reliability and efficiency of the connected machinery. It is essential to create a maintenance schedule and adhere to it diligently to ensure the smooth operation of the flange coupling and the entire mechanical system.


editor by CX 2024-01-19