Ductile iron universal joint
1) The Universal Flanged Adaptors and Couplings are designed for pipelines, As a wide tolerance system
2) It will fit most standard pipe materials and therefore dramatically reduces the number of dedicated Flanged Adaptors and couplings which need to be stocked for maintenance purposes.
3) It is suitable for steel, GRP, PVC, PE, Ductile Iron, Cast Ironand Asbestors Cement. When connecting PE pipes, It is important that pipe inserts are fitted to the PE pipes.
1) All the flanged adaptors are assembled by ” T ” bolts.
2) Bolts, Nuts and Washers are in carbon steel Grade 4.8, 8.8 with zinc plated, dacromet coating or according to customer’s request.
3) Body material is Ductile iron GGG500-7.
4) CHINAMFG bonded epoxy powder coating in blue, black or red or according to customer’srequest.
5) Gaskets material: E. P. D. M., NBR or SBR.
6) Accommodate BS, DIN, ANSI flange drillings. Specification Unit Weight Sealing Ranges(mm) inches mm kgs 2″ 50 3.6 59~732 1/2″ 65 4.50 72~853″ 80 4.83 88~1034″ 100 5.51 108~1285″ 125 7.74 132~1546″ 150 8.32 159~1827″ 175 11.30 192~2098″ 200 9.95 218~23510″ 250 14.50 271~28912″ 300 18.62 322~34014″ 350 26.00 374~39116″ 400 28.85 417~43718″ 450 33.40 480~5571″ 500 50.00 526~54624″ 600 54.10 630~650.
1. Can I get free samples?
A: Yes, we can provide you the free samples, but you need to bear their own delivery costs.
2. Can I request to change the form of packaging and transportation?
A: Yes, We can change the form of the packaging and transportation according to your request, but you have to bear their own costs incurred during this period and the spreads.
3. Can I request to advance the shipment?
A: It should be depends on whether there is sufficient inventory in our warehouse.
4. Can I have my own Logo on the product?
A: Yes, you can send us your drawing and we can make your logo, but you have to bear their own the cost.
5. Can you produce the products according to my own drawings?
A: Yes, we can produce the products according to your drawings that will be most satisfy you.
6. Which price terms could accepted?
A: FOB,CIF all acceptable.
Can flexible couplings be used in hydraulic and pneumatic systems?
Yes, flexible couplings can be used in both hydraulic and pneumatic systems to connect various components and transmit power or motion. However, the selection of flexible couplings for these systems depends on specific application requirements and operating conditions.
- Compensating Misalignment: In hydraulic systems, flexible couplings are used to compensate for misalignment between the driving and driven components, such as pumps, motors, and actuators. Misalignment can occur due to variations in the mounting or movement of components. The flexibility of the coupling allows it to accommodate misalignment while transmitting torque efficiently.
- Vibration Damping: Hydraulic systems can generate vibrations during operation, which can affect the performance and lifespan of connected components. Flexible couplings with vibration-damping properties help reduce the transmission of vibrations, providing smoother operation and minimizing wear on components.
- Reducing Shock Loads: Flexible couplings absorb and dampen shock loads that may occur in hydraulic systems during rapid starts, stops, or pressure fluctuations. By absorbing these shock loads, the coupling protects connected components from potential damage.
- Corrosion Resistance: Hydraulic systems may operate in environments with exposure to hydraulic fluids, which can be corrosive. Flexible couplings made of materials resistant to corrosion, such as stainless steel or specific polymers, are suitable for such applications.
- High Torque Transmission: Hydraulic systems often require high torque transmission between the power source and the driven components. Flexible couplings can handle high torque levels while accommodating angular and axial misalignments.
- Compensation for Misalignment: In pneumatic systems, flexible couplings provide compensation for misalignment between components, such as pneumatic cylinders, valves, and rotary actuators. The ability to accommodate misalignment ensures smooth operation and reduces the risk of mechanical stress on the system.
- Minimal Lubrication: Some flexible couplings designed for pneumatic systems require little to no lubrication, making them suitable for applications where oil or grease contamination is undesirable.
- Low Inertia: Pneumatic systems often require components with low inertia to achieve rapid response times. Flexible couplings with low mass and low inertia help maintain the system’s responsiveness and efficiency.
- High Torque Transmission: Pneumatic systems can demand high torque transmission between components, such as in pneumatic rotary actuators. Flexible couplings can transmit torque effectively while compensating for potential misalignments.
- Corrosion Resistance: Pneumatic systems operating in harsh environments may be exposed to moisture or chemicals. Flexible couplings made of corrosion-resistant materials are ideal for such conditions.
Overall, flexible couplings are versatile components that can be used in a wide range of hydraulic and pneumatic applications. When selecting a flexible coupling for a specific system, it’s essential to consider factors such as misalignment compensation, vibration damping, shock absorption, corrosion resistance, torque transmission capability, and compatibility with the system’s operating conditions.
Can flexible couplings accommodate both radial and axial loads simultaneously?
Yes, flexible couplings are designed to accommodate both radial and axial loads simultaneously, making them versatile for various mechanical systems. The ability to handle these loads is one of the key advantages of using flexible couplings in power transmission applications. Here’s how they manage both types of loads:
- Radial Loads: Radial loads act perpendicular to the shaft’s axis and can arise from forces that are not in line with the shaft, such as belt tension or bearing loads. Flexible couplings can handle radial loads due to their flexibility and ability to bend or deform slightly, redistributing the radial forces and minimizing the impact on the connected equipment.
- Axial Loads: Axial loads act along the shaft’s axis and are common in applications with thrust forces or axial movements. Flexible couplings can accommodate axial loads through their axial flexibility, allowing slight axial displacement without transmitting excessive forces to the connected components.
- Angular Misalignment: Besides radial and axial loads, flexible couplings can also handle angular misalignment between the shafts. Angular misalignment occurs when the shafts are not perfectly aligned, and flexible couplings can compensate for this misalignment, reducing wear and stress on the connected machinery.
By accommodating both radial and axial loads, flexible couplings help prevent premature wear, reduce the risk of equipment damage, and contribute to smoother and more efficient power transmission. When selecting a flexible coupling for an application, it is essential to consider the expected radial and axial loads, as well as the required level of misalignment compensation to ensure optimal performance and longevity of the coupling and the connected equipment.
Can flexible couplings accommodate high torque and high-speed applications?
Yes, flexible couplings can accommodate both high torque and high-speed applications, but the suitability depends on the specific design and material of the flexible coupling. Different types of flexible couplings have varying torque and speed capacities, and it’s crucial to select the right type of coupling based on the application requirements.
High Torque Applications:
Some flexible couplings, such as gear couplings and disc couplings, are designed to handle high torque levels. Gear couplings consist of toothed hubs that mesh with each other, providing a robust and efficient torque transmission. They are commonly used in heavy-duty industrial applications, such as steel mills, mining equipment, and power generation plants, where high torque loads are prevalent.
Disc couplings are also suitable for high torque applications. They use a series of flexible metal discs that can handle significant torque while compensating for misalignment. Disc couplings are often used in high-speed machinery and critical applications where precise torque transmission is essential.
Flexible couplings can also be used in high-speed applications. For instance, certain disc couplings, elastomeric couplings, and grid couplings are capable of handling high rotational speeds. These couplings have low inertia, which means they can respond quickly to changes in speed and provide efficient power transmission at high RPMs.
Elastomeric couplings, such as jaw couplings and tire couplings, are commonly used in various industrial applications, including pumps, compressors, and fans, where both torque and speed requirements are high. They offer good flexibility and damping properties, making them suitable for applications with high-speed variations and vibrations.
When selecting a flexible coupling for high torque and high-speed applications, several factors should be considered:
- The torque and speed ratings provided by the coupling manufacturer should be checked to ensure they meet or exceed the application’s requirements.
- The design and materials of the coupling should be suitable for the specific operating conditions, including temperature, environment, and potential exposure to corrosive substances.
- Proper alignment and installation of the coupling are critical to ensure optimal performance and prevent premature wear.
- In some cases, it may be necessary to use additional components, such as torque limiters or speed reducers, to protect the coupling and the connected equipment from excessive loads or speed fluctuations.
In conclusion, flexible couplings can indeed accommodate high torque and high-speed applications, but the appropriate coupling type and proper selection are essential to ensure reliable and efficient performance in these demanding conditions.
editor by CX 2023-09-27