China OEM Powder Coated Lockable Valve Flange Coupling flange coupling

Product Description

Powder Coated Lockable Valve Flange Coupling
DN250-DN80

1. The stainless steel(cooper,malleable) flange connection is easy to use and can withstand greater pressure. 2. In industrial pipelines, flange connections are widely used. 3. In the home, the pipe diameter is small, and it is low pressure, and the flange connection is invisible. If it is in a boiler room or production site, flanged pipes and equipment are everywhere.

1) Pre-galvanized, Black, PVC coated & hot dip galvanized.

2) Can make the angle parts with slip-proof.

3) Each meter side printed with size, logo & standard.

4) Gal.zinc thickness is changing according the finish different.

5) The slotted hole size 1-1/8″(28.60mm)*9/16″(14.30mm).

6) Two, three, 4 and 6 CHINAMFG available.

Certifications

Company Profile

1.Q: What kind of material you can offer?
A: We can offer you GALVANIZED STEEL, STAINLESS STEEL, ALUMINUM, Zinc, etc.

2.Q: What kind of standard you are following?
A: We are producing following by UL standard, most popular around the world, 
of course, we also have customized products.You can provide your specification.

3.Q: Could you change the size for the customer?
A: Yes, we do for some customer special size.

4.Q: How many days can you deliver the order?
A: Normally after deposit or L/C 20-30 days, actually it depends on your request.

5.Q: What about the payment?
A: We can accept L/C, T/T, D/P and trusted payment methods.

6.Q: Do you provide samples?
A: yes, we can offer the standard product sample freely, but we do not bear the freight. Sample preparation will take some time, and if you asked to use DHL, FedEx, etc. to send samples, you can inform us in advance to prepare.

7.Q: Are you a trading company or manufacturing company?
A: Both we are, we have 10 years experiences in foreign trading business and more than 5 years in electrical conduit industry. Of course, we are always expanding our business.

8.Q: How can you guarantee your products?
A: we guarantee your 100% satisfaction on all our products. Please feel free to feedback us immediately if you are not satisfied with our quality or service. If the product does not meet the contract requirements, we will send you a free replacement or give you compensation in the next order. For foreign orders, we ensure every order carefully. In some special cases, we will give some discounts as a solution.

9.Q: How about your capability in manufacturing?
Based on reasonable price, good quality, great after service, and Workers’ Passion and Effort, we are capable of manufacturing 6000 tons of steel conduit per year and 4000 tons of die casting and steel accessories anually.

Choosing us is the best choice.

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Differences Between Rigid and Flexible Flange Coupling Designs

Flange couplings are essential components used in various mechanical systems to connect shafts and transmit power between them. Two common types of flange coupling designs are rigid flange couplings and flexible flange couplings. These designs differ in their construction and performance characteristics:

Rigid Flange Couplings:

Rigid flange couplings are designed to provide a solid and inflexible connection between two shafts. They are suitable for applications where shaft alignment is precise, and no misalignment is expected during operation. The key features of rigid flange couplings include:

• Stiff Construction: Rigid flange couplings are made from robust materials such as steel or aluminum. Their stiffness ensures that there is little to no flexibility, maintaining a solid connection between the shafts.
• No Misalignment Compensation: Rigid flange couplings do not accommodate any misalignment between the shafts. Therefore, proper alignment is crucial during installation to prevent undue stress on the shafts and connected equipment.
• High Torque Transmission: Due to their rigid design, rigid flange couplings offer high torque transmission capabilities, making them suitable for heavy-duty applications with precise alignment requirements.

Flexible Flange Couplings:

Flexible flange couplings, as the name suggests, offer some degree of flexibility and misalignment compensation between the connected shafts. They are used in applications where shaft misalignment, caused by factors like vibration, temperature changes, or minor installation errors, is likely to occur. The key features of flexible flange couplings include:

• Misalignment Compensation: Flexible flange couplings can tolerate angular, parallel, and axial misalignment to some extent. This helps to reduce stress on the connected equipment and enhances the overall performance and lifespan of the system.
• Vibration Dampening: The flexibility of these couplings allows them to dampen vibrations and shocks, making them suitable for systems where vibrations are a concern.
• Reduced Stress on Bearings: Flexible flange couplings can help reduce the stress on bearings and other connected components by absorbing misalignment forces.

When choosing between rigid and flexible flange couplings, it is essential to consider the specific requirements of the application. Rigid flange couplings are best suited for applications with precise alignment, while flexible flange couplings are ideal for systems where some degree of misalignment is expected. The selection process should also take into account factors such as torque capacity, shaft sizes, operating conditions, and maintenance requirements.

In conclusion, the choice between rigid and flexible flange coupling designs depends on the application’s alignment needs and the desired level of misalignment compensation and vibration dampening.

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.

Materials Used in Manufacturing Flange Couplings

Flange couplings are manufactured using various materials, each offering specific properties and advantages. The choice of material depends on factors such as application requirements, environmental conditions, and cost considerations. Here are some commonly used materials in manufacturing flange couplings:

• 1. Steel: Steel is one of the most common materials for flange couplings. It offers excellent strength, durability, and resistance to wear. Steel couplings are suitable for a wide range of applications and can handle high torque and heavy loads.
• 2. Stainless Steel: Stainless steel is chosen for its superior corrosion resistance, making it ideal for applications where the coupling is exposed to moisture, chemicals, or aggressive substances. Stainless steel flange couplings are common in industries such as food processing, pharmaceuticals, and marine.
• 3. Cast Iron: Cast iron couplings are known for their excellent strength and vibration-damping characteristics. They are often used in industrial settings, including pumps, compressors, and conveyor systems.
• 4. Aluminum: Aluminum couplings are lightweight and suitable for applications where weight is a concern. They are commonly used in industries such as aerospace and automotive.
• 5. Brass: Brass couplings offer good corrosion resistance and electrical conductivity. They are used in specific applications that require these properties.
• 6. Bronze: Bronze couplings are valued for their high strength, corrosion resistance, and resistance to wear. They are commonly used in marine and heavy machinery applications.
• 7. Plastic: Plastic couplings, such as nylon or polyurethane, are used in applications where weight, non-conductivity, and chemical resistance are critical factors.
• 8. Composite Materials: Some modern flange couplings may use composite materials that combine different properties, such as strength, flexibility, and corrosion resistance.

When selecting the material for a flange coupling, it is essential to consider factors such as load capacity, temperature range, chemical exposure, and the specific demands of the application. Proper material selection ensures that the flange coupling performs optimally and has a long service life in its intended environment.

editor by CX 2024-01-12