China best Ductile Cast Iron En545 Fitting Connector Universal Wide Range Flange Coupling flange coupling

Product Description

Ductile Cast Iron En545 Fitting Connector Universal Wide Range Flange Coupling

 

Product Parameters

 

Material Ductile iron grade 500-7/ 450-10 in accordance with ISO 1083
Standard EN545, EN598, ISO2531, BS4772, AWWA C110, AWWA C153, GB/T13295
Certificate ISO9001, ISO14001, SGS,WRAS
Test In accordance with ISO 2531 / EN 545 / EN598 and 100% water pressure test
Connection DIN2576, BS4504 PN16, ANSI B16.5
Flange Drilling PN10 / PN16 / PN25 according to BS4504
Internal Lining Cement, conform to ISO4179/ Fishon Bonded Epoxy (FBE)
External coating Zinc + BiHangZhou, conform to ISO8179/ Fishon Bonded Epoxy (FBE)/ Epoxy/ BiHangZhou
Usage Jointed by the bolts, nuts and sealed by the gaskets
Note the gaskets, bolts & nuts are supplied respectively as your special requirement

 

Product Description

——RELATED  PRODUCTS——

Company Profile

ZheJiang CHINAMFG COMMERCIAL CO.,LTD (hereinafter referred to as the “DEKO group”), the company is located in China’s “Land of Casting” -ZheJiang province, we are engaged in the wholesale, retail, research and development and sales of products for the integration of import and export company and we assembled fist-class factories in domestic, using the most advanced production facilities and technology to provide the best quality for our customers, DEKO groups products has been covered in the municipal engineering projects, drainage system, constructions, fire control system and urban public facilities related products, such as Cast Pipe,Pipe Fitting,Valve, Manhole cover, Hardware products, Aluminum die casting, Aluminium profile, Public Illumination,Urban Furnishing,Flange and Pipe Repair Clamps etc., CHINAMFG group has been undertaking some domestic and foreign projects every year round and has always been praised by our customers. At present our products have been exported to Europe, South America,Africa, Asia, Middle East and Southeast Asia etc.

DEKO group adhering to the”first-class brand,first-class service”purpose, to keep improving product quality as the basis and advancing with the times, providing high quality, high standard products to our customers, CHINAMFG group will develop into a”first-class products,first-class quality,first-class service”global company in future.

Q. Do you accept OEM service?
A: Yes, we do.

Q. Can I get free samples?
A: Yes, And you only need to bear the delivery costs, if the samples are not too big.

Q.What information should I let you know if I want to get a quotation?
A: Size, design standard, material, package, Quantities, etc…

Q.How can you assure your quality?
A:We have equipped the modern quality control system as well as our quality engineer always check step by step from mold ,production before shipment.

 

flange coupling

Torque and Speed Ratings of Flange Couplings

Flange couplings are available in various sizes and designs to accommodate a wide range of torque and rotational speed requirements. The torque and speed ratings of flange couplings depend on several factors, including their size, material, and design.

Torque Rating:

The torque rating of a flange coupling indicates the maximum amount of torque it can transmit without experiencing failure or damage. It is typically specified in Nm (Newton-meters) or lb-ft (pound-feet). The torque rating varies for different sizes and types of flange couplings. Larger flange couplings generally have higher torque ratings compared to smaller ones.

Speed Rating:

The speed rating of a flange coupling represents the maximum rotational speed at which it can operate reliably without excessive vibration or wear. It is typically expressed in RPM (revolutions per minute). The speed rating is influenced by factors such as the design, material, and balancing of the flange coupling. Higher-speed applications require flange couplings that can handle the increased centrifugal forces and dynamic loads associated with higher RPMs.

Size and Type:

The torque and speed ratings vary for different sizes and types of flange couplings. For example:

  • Smaller flange couplings, such as those used in light-duty applications, may have torque ratings ranging from a few Nm to several hundred Nm, and speed ratings up to a few thousand RPM.
  • Larger flange couplings, used in heavy-duty industrial applications, can have torque ratings exceeding several thousand Nm and speed ratings that may reach tens of thousands of RPM.
  • Flexible flange couplings may have slightly lower torque ratings compared to rigid flange couplings but offer greater misalignment compensation.

Manufacturer Specifications:

It is essential to refer to the manufacturer’s specifications and technical data to determine the specific torque and speed ratings for each size and type of flange coupling. Manufacturers typically provide detailed performance data to help users select the appropriate flange coupling for their specific application.

Application Considerations:

When selecting a flange coupling, it is crucial to consider the torque and speed requirements of the application. The operating conditions, such as load fluctuations and thermal effects, should also be taken into account to ensure the flange coupling’s reliable performance and longevity.

Conclusion:

Flange couplings come in various sizes and designs, each with its own torque and speed ratings. Properly selecting a flange coupling that meets the specific torque and speed requirements of the application is essential to ensure efficient and trouble-free power transmission in mechanical systems.

flange coupling

How Does a Flange Coupling Contribute to the Longevity of Connected Equipment?

A flange coupling plays a crucial role in enhancing the longevity of connected equipment by providing several key benefits:

  • Shock and Vibration Damping: Flange couplings, especially flexible types, are designed to absorb and dampen shock loads and vibrations that may occur during the operation of rotating machinery. By reducing the impact of these forces on the connected equipment, the coupling helps prevent premature wear and fatigue, thus extending the lifespan of the equipment.
  • Misalignment Compensation: In many industrial applications, shaft misalignment is unavoidable due to various factors like thermal expansion, foundation settling, and equipment repositioning. Flange couplings, especially flexible ones, can accommodate both angular and parallel misalignment, ensuring that the connected equipment operates smoothly even under such conditions. This helps prevent stress on the equipment’s bearings and other components, leading to longer service life.
  • Torsional Vibration Control: Torsional vibrations can occur in rotating machinery, especially when sudden changes in load or speed happen. Flange couplings with proper torsional stiffness and damping characteristics help control these vibrations, reducing the risk of fatigue failure in the connected equipment.
  • Reduced Wear and Tear: By minimizing shock, vibration, and misalignment-related stresses, a flange coupling helps reduce wear and tear on the connected equipment’s components, such as shafts, bearings, and gears. This reduction in wear contributes to the equipment’s overall longevity and decreases the frequency of maintenance and replacement.
  • Protection Against Overloads: Flange couplings can act as a safeguard against unexpected overloads in the system. In cases where the equipment experiences excessive loads or torque spikes, the coupling can provide a level of protection by disengaging or slipping, preventing damage to the machinery.
  • Optimized Power Transmission: A well-selected and properly installed flange coupling ensures efficient power transmission between the driving and driven shafts. The smooth and reliable transfer of power reduces the risk of power losses, heat buildup, and excessive strain on the connected equipment, which are all factors that could impact its longevity.
  • Corrosion Resistance: Flange couplings made from corrosion-resistant materials are well-suited for applications in harsh environments, such as those involving moisture or corrosive substances. By protecting against corrosion, these couplings help maintain the integrity and durability of the connected equipment.

In conclusion, a flange coupling’s ability to dampen shocks, compensate for misalignment, control vibrations, and optimize power transmission contributes significantly to the longevity and reliable performance of the connected equipment, ultimately leading to reduced downtime and maintenance costs.

flange coupling

Can Flange Couplings Handle Misalignment Between Shafts?

Flange couplings are designed to handle a limited amount of misalignment between shafts. However, their ability to accommodate misalignment is more limited compared to flexible couplings.

The misalignment that flange couplings can tolerate is typically in the form of angular misalignment and axial misalignment. Angular misalignment occurs when the axes of the two shafts are not perfectly aligned, causing the flanges to be at an angle to each other. Axial misalignment, on the other hand, refers to the displacement of one shaft along its axis with respect to the other shaft.

It is essential to note that excessive misalignment can lead to increased stress on the coupling and connected equipment. Flange couplings may not be suitable for applications with significant misalignment requirements.

For applications that involve substantial misalignment or require flexibility to accommodate misalignment, flexible couplings are more appropriate. Flexible couplings, such as elastomeric or jaw couplings, can handle both angular and axial misalignment more effectively than rigid flange couplings.

In summary, while flange couplings can handle some degree of misalignment, their primary strength lies in their ability to transmit high torques and withstand heavy loads in more rigidly aligned shaft arrangements. When dealing with misalignment-sensitive systems, it is best to consider flexible coupling options to ensure optimal performance and prevent premature wear on the equipment.

China best Ductile Cast Iron En545 Fitting Connector Universal Wide Range Flange Coupling  flange couplingChina best Ductile Cast Iron En545 Fitting Connector Universal Wide Range Flange Coupling  flange coupling
editor by CX 2023-12-13

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