China Good quality Ductile Cast Iron Coupling and Flange Adaptor Ductile Iron Pipe Fitting flange coupling

Product Description

Product Description

Specification

Product Name forged pipe fitting(elbow, tee, coupling, cap, plug, union, nipple, insert, bushing , weldolet, threadolet, sockolet, etc.)
Size 1/8″-4″ 
Standard ANSI B16.11, MSS SP 97, MSS SP 95, MSS SP 83, BS3799, ASTM A733, etc.
Pressure 2000lbs, 3000lbs,6000lbs, 9000lbs
End Thread(NPT/BSP), socket welded, butt weld 
Advantages ready stock,faster delivery time;available in all sizes,customized;high quality
 Wall thickness sch20, sch10s, sch30,sch40,std, sch40s, sch80s,sch80, xs, sch100,sch120,sch140,sch160,xxs ,customized , etc.
Surface CNC machined, anti-rust oil, HDG(hot dip galv.)
Application Petrochemical industry;aviation and aerospace industry;pharmaceutical industry,gas exhaust; power plant;ship building;  water treatment, etc.
Packages Plywood Cases or Plywood Pallets or Boxes
Technology Forged
Certificate ISO9001,API,CE,UL/FM

 

Certifications

Company Profile

HangZhou CHINAMFG Casting and Forging Co., Ltd. is 1 of the biggest manufacturers and exporters of pipeline products in China. We specialize in pipeline products, casting and forging (with or without machining): Malleable iron pipe fittings, ductile iron grooved fitting and coupling, 125# cast iron pipe fitting, steel butt-welding pipe fitting, steel flange, forged steel pipe fittings, stainless steel threaded pipe fitting, steel pipe nipple & merchant coupling, steel pipe, brass pipe nipple and bronze fitting, cast iron soil pipe and fitting, resilient seat non-rising stem wedge gate valves, check valve, butterfly valve, brass valve and bib-cock, scaffolding couplers / clamps, scaffolding frame & props, scaffolding accessories, pipe clamp fitting, concrete lifting anchors, lifting insert, socket & fixing insert, concrete hardware accessories, expansion shell, pipe coupling & hose clamps, radiator, cast iron manhole cover, auto parts, CHINAMFG parts, investment (lost wax casting) casting parts, die casting parts, and kinds of casting and forging machinery parts according samples or drawing from customers. All our factories are certified to the international ISO-9001 quality system standard and all products are carefully tested to meet the strict quality requirements and industry standards prior to each shipment. Parts of our products have been tested, listed, approved by some predominant labs and bodies. In order to enhance our accountability for environment, the environmental management system to ISO14001 has been assessed and registered by BVQI (France). Any information, samples and drawings which you can provide will facilitate us to make the correct supply to meet your special requirements.

 

FAQ

 

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flange coupling

Flange Couplings in Corrosive or Harsh Environments

Flange couplings can be used in a wide range of environments, including corrosive or harsh conditions, depending on the material and coating used in their construction. The choice of material is a critical factor in determining the suitability of a flange coupling for such environments.

Materials:

Stainless steel flange couplings are commonly used in corrosive environments due to their high resistance to rust and corrosion. Stainless steel contains chromium, which forms a protective oxide layer on the surface, preventing the underlying metal from being exposed to corrosive elements.

In particularly aggressive or chemically harsh environments, super alloys or specialty materials like Hastelloy or Inconel may be used for flange couplings, providing even higher corrosion resistance and chemical stability.

Coatings:

In addition to material selection, certain coatings can further enhance the resistance of flange couplings to corrosive environments. For example, coatings like zinc plating or epoxy coatings can add an extra layer of protection against corrosion.

Sealing and Protection:

Flange couplings used in harsh environments may also incorporate specialized sealing elements to prevent the ingress of contaminants, moisture, or corrosive substances. Proper sealing can significantly extend the service life of the coupling and the connected equipment.

Regular Maintenance:

While flange couplings designed for harsh environments are built to withstand corrosive elements, regular maintenance is essential to ensure their optimal performance. Regular inspections, cleaning, and lubrication, as well as prompt replacement of any damaged components, are vital to maintaining the integrity and functionality of the coupling.

Application Considerations:

When using flange couplings in corrosive or harsh environments, it is essential to consider the specific requirements of the application. Factors such as the type and concentration of corrosive substances, temperature variations, and mechanical loads should be carefully assessed to select the most suitable flange coupling for the given environment.

Conclusion:

Flange couplings can be engineered to withstand corrosive and harsh environments by using appropriate materials, coatings, and sealing techniques. With proper selection, installation, and maintenance, flange couplings can provide reliable and durable performance in challenging industrial settings.

flange coupling

Flange Couplings and Variable Operating Conditions

Flange couplings are designed to accommodate a wide range of operating conditions and loads, making them versatile and suitable for various applications. The key factors that enable flange couplings to handle variable operating conditions and loads include:

  • Flexible Design: Some flange couplings, such as flexible flange couplings or disc couplings, are designed to have some degree of flexibility. This flexibility allows them to compensate for misalignment between shafts, which is often encountered in real-world applications.
  • Material Selection: Flange couplings are available in different materials to suit specific operating conditions. For example, stainless steel flange couplings are ideal for corrosive environments, while high-strength steel couplings are suitable for heavy-duty applications.
  • Customization: Many flange coupling manufacturers offer customization options to tailor the coupling’s design to meet specific requirements. This may include modifying the coupling’s size, material, or torque capacity.
  • Load Distribution: Flange couplings are designed to distribute loads evenly between the connected shafts. This even distribution of load helps prevent premature wear and reduces stress on the shafts and other connected equipment.
  • High Torque Capacity: Flange couplings are available in various designs, including those suitable for high torque applications. This allows them to handle varying levels of torque without compromising performance.
  • Temperature and Environmental Resistance: Flange couplings made from appropriate materials can withstand a wide range of temperatures and environmental conditions, making them suitable for both indoor and outdoor applications.

It is essential to consider the specific requirements of your application and the potential variations in operating conditions and loads when selecting a flange coupling. This ensures that the chosen coupling can reliably and efficiently transmit power while accommodating any changes in the operating environment.

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 Good quality Ductile Cast Iron Coupling and Flange Adaptor Ductile Iron Pipe Fitting  flange couplingChina Good quality Ductile Cast Iron Coupling and Flange Adaptor Ductile Iron Pipe Fitting  flange coupling
editor by CX 2024-01-12

flexible flange coupling

As one of leading flexible flange coupling manufacturers, suppliers and exporters of products, We offer flexible flange coupling and many other products.

Please contact us for details.

Mail:[email protected]

Manufacturer supplier exporter of flexible flange coupling

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