China Professional Oosing Ductile Iron Double Bend Ductile Iron Manhole Cover and Drain Grating Flange Tee Coupling flange coupling

Product Description

Product Description
Ductile iron pipe has the essence of iron and the properties of steel, so it is called this. The graphite in the ductile iron pipe is in the form of spheroids, and the size of the general graphite is 6-7. In terms of quality, the spheroidization grade of the cast iron pipe is controlled to be 1-3, and the spheroidization rate is ≥80%, so the mechanical properties of the material itself have been better improved, and it has the essence of iron and the performance of steel. The annealed ductile iron pipe has a metallographic structure of ferrite plus a small amount of pearlite, and has good mechanical properties, so it is also called cast iron pipe.

Advantage
It has the essence of iron and the performance of steel. The annealed ductile iron pipe has a metallographic structure of ferrite plus a small amount of pearlite, good mechanical properties, excellent corrosion resistance, good ductility, good sealing effect, easy installation, and mainly used for water supply and gas transmission in municipalities, industrial and mining enterprises , Oil and so on.
A certain amount of spheroidal graphite is distributed on the ferrite and pearlite matrix. According to the nominal diameter and the requirements for elongation, the ratio of ferrite and pearlite in the matrix structure is different. The ratio of pearlite with small diameter Generally, it is not more than 20%, and the large-caliber is generally controlled at about 25%.

Application
It is suitable for the domestic drainage pipes of socket type and clamp type connection of gray cast iron pipes and supporting pipe fittings with internal and external pipe diameters of DN50mm~DN300mm and internal pressure not greater than 0.3MPa in new construction, expansion and reconstruction of civil and industrial buildings. , Rainwater pipes, non-corrosive industrial production wastewater pipes and rain down pipes.

Company Information
High Mountain Pipe is dedicated to the manufacturing and sales of various kinds of plastic pipes, fittings, valves, related plumbing equipments, etc. And we can provide professional solution method for complete pipe system. The production and sales volume of leading products of PE water supply pipes and HDPE drainage pipes ranks among the highest in the industry.

The company covers an area of about 200,000 square CHINAMFG and has 6 workshops, 30 production lines, 300 workers, and 200,000 tons annual ability. It is a comprehensive enterprise integrating science, industry and trade. The industries involved are: research, production, development, manufacturing, and polymer materials of plastic pipes. All products meet the requirements of national inspection standards or enterprise inspection standards.

Packing&Delivery

Certificates

FAQ
Q1: May I get 1 sample before placing order?
Re: Yes, Sample are available. For normal products, samples are for free and you just need to bear the freight; For those high value products, you just need to freight and certain product cost. When we both cooperate for some times or when you are our VIP customer, free sample will be offered when you need.

Q2: Which payment is available for your company?
Re: T/T, L/C or Ali trade insurance. You can choose the 1 which is convenient for you.

Q3: How and when can I get my goods after payment?
Re: For small quantity products, they will be delivered to you by international courier(DHL, FedEx, TNT etc.) or by air. Usually it will cost 3-5days that you can get the goods after delivery. For large quantity products,shipping by see is worthwhile.It will cost days to weeks to come to your destination port, which depends on where the port is.

Q4: Is there any possible to use my appointed label or package?
Re: Yes. If needed, we’d like to use label or package according to your requirement.

Q5: How can you guarantee the goods you offer is qualified?
Re: We always believe honesty and responsibility are basis of 1 company, so whatever products we provide for you all are qualified. We will have goods tested and provide COA before delivery for sure.

Q6:Is the price on this page correct?
Re: The listed price is only for reference, for latest price, pls contact us directly.

Main products
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Differences Between Rigid and Flexible Flange Coupling Designs

Flange couplings are essential components used in various mechanical systems to connect shafts and transmit power between them. Two common types of flange coupling designs are rigid flange couplings and flexible flange couplings. These designs differ in their construction and performance characteristics:

Rigid Flange Couplings:

Rigid flange couplings are designed to provide a solid and inflexible connection between two shafts. They are suitable for applications where shaft alignment is precise, and no misalignment is expected during operation. The key features of rigid flange couplings include:

• Stiff Construction: Rigid flange couplings are made from robust materials such as steel or aluminum. Their stiffness ensures that there is little to no flexibility, maintaining a solid connection between the shafts.
• No Misalignment Compensation: Rigid flange couplings do not accommodate any misalignment between the shafts. Therefore, proper alignment is crucial during installation to prevent undue stress on the shafts and connected equipment.
• High Torque Transmission: Due to their rigid design, rigid flange couplings offer high torque transmission capabilities, making them suitable for heavy-duty applications with precise alignment requirements.

Flexible Flange Couplings:

Flexible flange couplings, as the name suggests, offer some degree of flexibility and misalignment compensation between the connected shafts. They are used in applications where shaft misalignment, caused by factors like vibration, temperature changes, or minor installation errors, is likely to occur. The key features of flexible flange couplings include:

• Misalignment Compensation: Flexible flange couplings can tolerate angular, parallel, and axial misalignment to some extent. This helps to reduce stress on the connected equipment and enhances the overall performance and lifespan of the system.
• Vibration Dampening: The flexibility of these couplings allows them to dampen vibrations and shocks, making them suitable for systems where vibrations are a concern.
• Reduced Stress on Bearings: Flexible flange couplings can help reduce the stress on bearings and other connected components by absorbing misalignment forces.

When choosing between rigid and flexible flange couplings, it is essential to consider the specific requirements of the application. Rigid flange couplings are best suited for applications with precise alignment, while flexible flange couplings are ideal for systems where some degree of misalignment is expected. The selection process should also take into account factors such as torque capacity, shaft sizes, operating conditions, and maintenance requirements.

In conclusion, the choice between rigid and flexible flange coupling designs depends on the application’s alignment needs and the desired level of misalignment compensation and vibration dampening.

How do Flange Couplings Handle Shaft Misalignment in Rotating Equipment?

Flange couplings are designed to handle certain degrees of shaft misalignment in rotating equipment. The flexibility of flange couplings allows them to accommodate minor misalignments between the connected shafts without causing significant stress or damage. The ability to handle shaft misalignment is one of the key advantages of using flange couplings in various industrial applications. Here’s how flange couplings handle shaft misalignment:

1. Radial Misalignment: Flange couplings can handle radial misalignment, which is the offset between the rotational axis of two connected shafts. This misalignment can be in the form of parallel misalignment or angular misalignment. Flange couplings with flexible elements, such as elastomeric inserts or diaphragms, can absorb and compensate for radial misalignment, ensuring smooth power transmission between the shafts.

2. Axial Misalignment: Axial misalignment occurs when there is a linear displacement along the rotational axis of the shafts. While some flange couplings may have limited axial misalignment capabilities, others may not be designed to accommodate significant axial movements. Engineers must consider the specific requirements of the application to ensure that the selected flange coupling can handle the anticipated axial misalignment.

3. Angular Misalignment: Angular misalignment refers to the angle between the rotational axes of the two shafts. Flange couplings with flexible elements can handle a certain degree of angular misalignment by flexing and adjusting to the changing angle. However, excessive angular misalignment can lead to increased wear and reduced coupling life, so it’s essential to keep the misalignment within acceptable limits.

4. Rigid Couplings vs. Flexible Couplings: Rigid couplings, such as sleeve couplings or clamp-style couplings, are not capable of handling misalignment and require precise alignment during installation. On the other hand, flexible flange couplings can tolerate misalignment, making them more forgiving and easier to install in applications where perfect alignment is challenging to achieve.

It is important to note that while flange couplings can handle certain degrees of misalignment, excessive or sustained misalignment can lead to premature wear, reduced coupling life, and potential equipment damage. Therefore, proper alignment during installation and regular maintenance checks are essential to ensure the optimal performance and longevity of flange couplings in rotating equipment.

Advantages of Flange Couplings in Mechanical Systems

Flange couplings offer several advantages in mechanical systems, making them a popular choice for connecting shafts in various applications:

• High Torque Transmission: Flange couplings provide a rigid and secure connection between shafts, allowing for efficient transmission of high torque without slippage or power loss.
• Precise Alignment: Proper alignment of flange couplings ensures that the connected shafts are in perfect axial alignment, reducing the risk of excessive bearing loads and increasing the longevity of the machinery.
• Zero Backlash: Flange couplings have no play or free movement between the shafts, resulting in immediate torque transmission and precise motion control, especially in applications requiring precise positioning.
• Robust and Durable: Flange couplings are typically made from high-quality materials such as steel, cast iron, or aluminum, providing excellent durability and resistance to wear and corrosion.
• Wide Range of Sizes and Torque Capacities: Flange couplings are available in various sizes and configurations, allowing them to be used in a wide range of applications with different torque requirements.
• Simple Installation: Installing flange couplings is relatively straightforward, requiring alignment and fastening of the flanges with bolts and nuts.
• Wide Application Range: Flange couplings are used in various industries, including heavy machinery, pumps, compressors, marine propulsion, and power generation equipment.
• Suitable for High-Speed Applications: Flange couplings can handle high rotational speeds, making them suitable for applications requiring high-speed power transmission.
• Minimal Maintenance: Once properly installed, flange couplings require minimal maintenance, reducing downtime and operational costs.

Despite their advantages, flange couplings also have some limitations. They lack the ability to compensate for misalignment like flexible couplings, which can lead to increased stress on bearings and other components if not correctly aligned. Additionally, the rigid nature of flange couplings means they may not be suitable for applications where shaft misalignment is common or where shock and vibration absorption is required.

Overall, flange couplings are a reliable and robust choice for mechanical systems, particularly in applications demanding high torque transmission and precise shaft alignment. Proper installation and maintenance are crucial to ensure optimal performance and longevity of both the coupling and the connected machinery.

editor by CX 2024-04-09