China Best Sales ISO2531 Ductile Iron Flange Adaptor Flexible Coupling Flange Adaptor Coupling flange coupling

Product Description

 

Ductile Iron flange adapter with PN10/16 coupling for Ductile Iron Pipe fitting 
 

The flange adapter transmits the pressure and thrust of the connected parts (blind plate force) and compensates the pipeline error, so as to reduce the damage of the axial thrust to the pipeline and pipeline equipment. It is mainly used for loose sleeve connection of pump, valve, pipeline and other accessories.

 

Specifications

 
Body: Ductile iron
 Bolts: Galvanized steel / Stainless steel
 Seal gasket: EPDM
 Coating: CHINAMFG Epoxy
 Class: PN10/16, 125/150Lbs
 Size:DN50-DN600

Size

DN50-DN300

Standard

ISO2531/EN545/EN598/AWWA

Pressure

PN10/PN16/PN25

Material

Ductile Iron GGG50 material with FBE coated

Coating

CHINAMFG bonded epoxy coating(250 micron)

Color

Blue FBE / Epoxy Coating

Connection Type

Flange Joint

Gasket

EPDM, SBR/NBR also available

bolt nut

Steel 8.8 zinced/Dacro

 

Our Factory
 

HangZhou Fluido Import and Export Co.,Ltd. is a professional flange, pipe fittings,valves and ductile iron pipe fitting manufacturer and exporter for water treatment, construction, petrochemical and oilfield industry. We deliver exceptional value by providing customers with the most important elements : Premium Quality, Reasonable Price and Impeccable Services.

Our products adhere to GB, JIS, DIN, DIN, EN, API, ANSI/ASME specifications for material content, pressure ratings and quality assurance, ensuring that our customers receive consistent quality and reliability every time. Additionally, we are able to modify existing products or manufacture new designs to meet specific requirements. 

We have been known as a company who always keeps our promise of quality products, reasonable pricing, and prompt delivery. By providing a broad range of high quality products at competitive prices, We see ourselves not just as a supplier for our clients, but as their partner in helping them achieved their own goals and objectives.
 

Package as customized 
 

Certifications

Other Related Product
 

 

Our Services

1. Many years experience in manufacturing and exporting fittings
2. Experienced technical staff
3. Marking the customer’s brand on the product surface directly
4. All fittings are approved by CE and ISO
5. Supply OEM service
6. Small orders accepted
7. Competitive prices, top quality, professional service and prompt delivery
8. Quality checking and controlling strictly

FAQ
 

Q:When can I get the quotation?

A:We usually quote within 12 hours after we get your inquiry.If you are very urgent to get the price,pls call us or tell us in your email so that we will regard your inquiry priority.

 

 

Q: Could I get samples?

A: Yes,we have materials in stock to help you to get the samples as soon as we can.

 

 

Q:Can you do the design for us?

A:We have a professional team having rich experience in manufacturing.We could supply customized size,grade of material,and the coating.We also could supply the package according to your request.

 

 

Q.How are orders packed and shipped ?

A: For custom order, we can design full-color custom packaging to match your brand, if requires. Most shipments include boxes packed inside an outer carton and placed on a wooden pallet.

 

 

Q:What abount the lead time for mass production?

A:Honestly,it depends on the order quantity and your specific requirements of products.

 

 

Q.What are your quality control procedures?

A: We adhere to strict quality control procedures that begin with product design and carry through to the end of the production process using state-of -the-art quality control equipment.

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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

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

Types of Flange Coupling Designs

Flange couplings are mechanical devices used to connect two shafts and transmit torque between them. They come in various designs, each suited for specific applications. Here are the different types of flange coupling designs:

  • 1. Unprotected Flange Coupling: This is the simplest type of flange coupling, consisting of two flanges with flat faces that are bolted together to connect the shafts. It is cost-effective and easy to install but offers limited protection against misalignment.
  • 2. Protected Flange Coupling: In this design, the flanges are fitted with a protective cover or casing, which helps prevent dust, dirt, and other contaminants from entering the coupling. It provides better protection to the coupling components, making it suitable for outdoor or harsh environments.
  • 3. Flexible Flange Coupling: This design incorporates a flexible element, such as a rubber or elastomeric insert, between the flanges. The flexible element allows for some misalignment between the shafts and helps dampen vibrations, reducing wear on connected equipment. It is commonly used in applications where there may be slight shaft misalignment.
  • 4. Rigid Flange Coupling: The rigid flange coupling is a solid coupling without any flexible elements. It provides a rigid connection between the shafts, which is ideal for applications where precise alignment is critical, such as high-speed machinery or precision motion control systems.
  • 5. Sleeve Flange Coupling: In this design, a hollow sleeve fits over the ends of the shafts and is bolted to the flanges. The sleeve helps provide additional support and alignment for the shafts.
  • 6. Half-Flanged Coupling: Half-flanged couplings consist of two flanges on one shaft and a single flange on the other shaft. This design is suitable for applications with limited space or where one shaft is fixed, and the other requires disconnection frequently.

The choice of flange coupling design depends on factors such as the level of misalignment, speed of rotation, available space, environmental conditions, and the required level of flexibility. Proper selection of the flange coupling type ensures efficient power transmission and extends the life of connected machinery and equipment.

China Best Sales ISO2531 Ductile Iron Flange Adaptor Flexible Coupling Flange Adaptor Coupling  flange couplingChina Best Sales ISO2531 Ductile Iron Flange Adaptor Flexible Coupling Flange Adaptor Coupling  flange coupling
editor by CX 2024-05-03

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