Product Description
Product Description
FM/UL Rigid or Flexible Couplings/Reducing Tee/Mechanical Tee/Elbow/Cross/Flange/Reducer/Cap/Grooved Pipe Fittings Grooved Couplings
FM/UL Rigid or Flexible Couplings/Reducing Tee/Mechanical Tee/Elbow/Cross/Flange/Reducer/Cap/Grooved Pipe Fittings Grooved Couplings
Ductile iron grooved pipe fittings and couplings (FM and UL approved) mainly including 2 kinds of grooved products:
(1) the pipe fittings function on connecting and sealing such as rigid coupling, flexible coupling, mechanical tee and grooved flange,
(2) the pipe fittings function on connecting and transition such as bend, tee, cross, reducer.
Specification
| Name | Rigid coupling, Flexible coupling, 90° Elbow, 45° Elbow, 22.5° Elbow, 11.25° Elbow, Split Flange, Adaptor Flange, Cap | |
| Tee, Reducing Tee(Grooved/Threaded), Mechnical Tee(Grooved/Threaded), U-bolted Mechnical Tee | ||
| Cross, Reducing Cross(Grooved/Threaded), Mechnical Cross(Grooved/Threaded) | ||
| Reducer(Grooved/Threaded), Grooved Eccentric Reducer | ||
| H.S. CODE | 735710000 | |
| Technology | Casting | |
| Connections | Grooved-Thread End, Grooved End | |
| Pressure Rate | 300PSI / 2.07MPa | |
| Size | 1” – 12” | |
| Pipe O.D. | 33.7MM – 323.9MM | |
| Surface Finish | Epoxy Powder,Painting,Galvanization,Dacromet (in Red/Orange/Blue/White Color) | |
| Design Standard | American Standard | ANSI/ASTM |
| European Standard | EN | |
| British Standard | BS | |
| Germany Standard | DIN | |
| Japanese Standard | JIS | |
| ISO Standard | ISO | |
| Thread Standard | ASME B.1.20.1 / EN15716 / DIN2999 / ISO7-1 / ISO228 / IS554 / BS EN15716 / BS 21.173 | |
| Material Standard | Ductile Iron confirms to ASTM A-536 Gr65-45-12,EN1563,JIS G5502,QT450-12 | |
| Gasket Material | EPDM,NBR or Silicon Rubber | |
| Bolts & Nuts | ISO 898-1class 8.8 | |
| Flanges Standard | PN series or Class series | |
| Packages | Plywood Cases or Plywood Pallets or Boxes | |
| Application | Fire Fighting System,Petrochemical & Gas Industry,Chemical,Machinery,Electric Power,Construction Water Works,Valve Industry,etc. | |
| Advantages | High Quality + Ready Stock + Faster Delivery + Customized | |
| Brand | LMP | |
| Certificate | ISO9001,API,CE,UL/FM | |
Company Profile
We are a leading manufacturer of pipe fittings and valves establised in 1996
1. We have over 20 years experience in exporting pipeline products.
2. 5 factories,complete 100+ projects every year.
3. Your 1 more good choice for better customer service.
Certifications
FAQ
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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.
Can Flange Couplings Be Used in Heavy-Duty Applications Such as Mining and Construction?
Yes, flange couplings can be used in heavy-duty applications such as mining and construction, where they are often employed to transmit power between large machinery and equipment. Flange couplings are designed to handle high torque and axial loads, making them suitable for these demanding industries. Here are some reasons why flange couplings are well-suited for heavy-duty applications:
1. High Load Capacity: Flange couplings are engineered to provide high load-carrying capacity, making them ideal for heavy machinery used in mining and construction. They can efficiently transfer power between components with large torque requirements, such as conveyors, crushers, and excavators.
2. Tolerance to Misalignment: Heavy-duty equipment may experience misalignment due to uneven loading, vibrations, or other factors. Flange couplings can accommodate certain degrees of misalignment, reducing stress on connected components and preventing premature wear or failure.
3. Durability and Strength: In mining and construction, equipment is subjected to harsh conditions, impacts, and vibrations. Flange couplings are typically made from robust materials like steel or cast iron, providing exceptional strength and durability to withstand the rugged environments encountered in these industries.
4. Easy Maintenance: While heavy-duty applications may expose equipment to extreme conditions, maintenance and downtime should be minimized. Flange couplings are designed to be relatively easy to install and maintain, ensuring that machinery can quickly get back to work after routine maintenance or repairs.
5. Various Flange Designs: Flange couplings come in different designs, including rigid, flexible, and torsionally flexible variations. This allows engineers to select the most appropriate type for the specific needs of mining and construction equipment.
However, it is crucial to consider factors such as the specific load requirements, operating conditions, and alignment precision when choosing flange couplings for heavy-duty applications. Proper installation, regular inspection, and adherence to recommended maintenance schedules are essential to ensure the reliable performance and extended service life of the flange couplings in mining and construction equipment.
Selecting the Appropriate Flange Coupling for a Specific Application
Choosing the right flange coupling for a particular application involves considering several key factors to ensure optimal performance and reliability. Here’s a step-by-step guide to the selection process:
- 1. Identify Application Requirements: Understand the specific requirements of the application, including torque, speed, and operating conditions. Determine if the coupling will be exposed to harsh environments, extreme temperatures, or corrosive substances.
- 2. Calculate Torque and Power: Calculate the torque and power requirements for the shaft connection. This involves evaluating the motor or engine’s output torque and ensuring the selected coupling can handle the transmitted power.
- 3. Consider Misalignment: Assess the level of misalignment that may occur between the shafts during operation. For applications with significant misalignment, consider using flexible flange couplings that can accommodate angular, parallel, and axial misalignment.
- 4. Evaluate Speed and RPM: Determine the rotational speed (RPM) at which the coupling will operate. High-speed applications may require a balanced or precision-designed flange coupling to minimize vibrations and prevent damage to connected equipment.
- 5. Check Space Constraints: Consider the available space for installing the coupling. Some flange coupling designs may require more space than others, so ensure that the selected coupling fits within the available area.
- 6. Review Environmental Conditions: Evaluate the environmental conditions in which the coupling will operate. If the application involves exposure to dust, dirt, or moisture, consider using a protected or sealed flange coupling to prevent contamination.
- 7. Determine Flexibility: Decide on the level of flexibility required. Flexible flange couplings are suitable for applications where there may be shaft misalignment or torsional vibration. Rigid flange couplings, on the other hand, are ideal for precision applications with minimal misalignment.
- 8. Check Material Compatibility: Ensure that the material of the flange coupling is compatible with the shafts and the operating environment. Consider factors such as corrosion resistance, temperature tolerance, and mechanical properties.
- 9. Seek Expert Advice: When in doubt, consult with coupling manufacturers or engineering experts to help you select the most suitable flange coupling for your specific application.
By carefully considering these factors, you can select the appropriate flange coupling that meets the performance and operational requirements of your application, leading to a reliable and efficient shaft connection.
editor by CX 2024-01-19