Product Description
Product Description
Basic Info
| Origin | ZheJiang | Coating | Fusion Bonded Epoxy Coating or PU Coating |
| Transport Package | Plywood Case | Connection Type | Flange End |
| Specification | DN100 (4″) – DN2000 (80″) | Certifications | CE, ISO14001, JIS, ISO9001 |
| Transport Package | Plywood Case | Warranty | 12 Months |
| Size | DN50-DN4000 | Customized | Customized |
| Sealing | Rubber, NBR, EPDM, Viton | Body | Cast Steel, Ductile Iron |
| Package | Wood Pallet or as Per Customers′ Requirement | HS Code | 8481804090 |
Double Flanged Fittings Cast Iron Dismantling Joint
| materials | ||
| item | parts | material |
| 1 | Body | Cast Steel, Ductile Iron |
| 2 | Seals | EPDM/NBR |
| 3 | Fasteners | Stainless Steel/Carbon Steel with Dacromet Coating/GAL Carbon Steel |
| 4 | Coating | Fusion Bonded Epoxy |
The Dismantling Joints are double flanged fittings that accommodate required longitudinal adjustment and can be locked at the required length with the tie bars supplied. Not only does this system allow for fast, easy maintenance of valves, pumps or meters, it simplifies future pipe work modifications and reduces downtime when changes need to be made.
The installation is also straightforward using just a spanner and torque wrench to tighten the high tensile steel or stainless steel tie bars. With fewer tie bars than flange holes and the tie bars acting as flange jointing bolts the process is speeded up but still offers a secure, rigid, fully end load.
Product Parameters
Valve for Management Series
Pipe & Valve Series
Stainless steel series
Well lid series
Production Foundry
Company Profile
Certifications
Packaging & Shipping
FAQ
- who are we?
We are based in ZheJiang , China, specializing in butterfly valve,check valve ,gate valve,,sell to foreign country.2. What is your advantage?
- )Strong R&D team,strong QC system
- )Large casting material and accesorries stock for regular product for fast delivery.
3.) Perfect service system, tracking service closely 24hours*7 days
3.what can you buy from us?
Mining machinery,pipe&valve series,agricultural machinery hardware series,auto parts series,food machinery series and EMUseries
4. why should you buy from us not from other suppliers?
we have verious of different moulds,strong R&D teams,oem,odm,advanced inspection equipments and tools,perfect QC,QA to make sure every products will be perfect before deliver to customer
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,CIP,FCA,DDP,Express Delivery;
Accepted Payment Currency:USD;RMB
Accepted Payment Type:TT;LC at sight
Language Spoken:English,Chinese
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How do you install and align a flexible coupling properly to ensure optimal performance?
Proper installation and alignment of a flexible coupling are essential to ensure its optimal performance and longevity. Incorrect installation can lead to premature wear, increased vibrations, and potential equipment failure. Below are the steps to install and align a flexible coupling properly:
1. Pre-Installation Inspection:
Before installation, inspect the flexible coupling and its components for any visible damage or defects. Check that the coupling’s size and specifications match the application requirements. Ensure that the shafts and equipment connected to the coupling are clean and free from debris.
2. Shaft Preparation:
Prepare the shafts by removing any oil, grease, or contaminants from the surfaces that will come into contact with the coupling. Ensure that the shaft ends are smooth and free from burrs that could affect the fit of the coupling.
3. Coupling Hub Installation:
Slide the coupling hubs onto the shafts, ensuring they are positioned securely and evenly on each shaft. Use a lubricant recommended by the manufacturer to facilitate the installation and ensure a proper fit.
4. Alignment:
Proper alignment is critical for the performance and longevity of the flexible coupling. Align the shafts by checking both angular and parallel misalignment. Utilize precision alignment tools, such as dial indicators or laser alignment systems, to achieve accurate alignment. Follow the manufacturer’s alignment specifications and tolerance limits.
5. Tightening Fasteners:
Once the shafts are properly aligned, tighten the coupling’s fasteners to the manufacturer’s recommended torque values. Gradually tighten the fasteners in a cross pattern to ensure even distribution of the load on the coupling hubs. Avoid over-tightening, as it may cause distortion or damage to the coupling.
6. Run-Out Check:
After installation, perform a run-out check to verify that the coupling’s rotating components are balanced and aligned. Excessive run-out can lead to vibrations and reduce the coupling’s performance. If significant run-out is detected, recheck the alignment and address any issues that may be causing it.
7. Lubrication:
Ensure that the flexible coupling is adequately lubricated, following the manufacturer’s recommendations. Proper lubrication reduces friction and wear, enhancing the coupling’s efficiency and reliability.
8. Periodic Inspection and Maintenance:
Regularly inspect the flexible coupling for signs of wear, misalignment, or damage. Address any issues promptly to prevent further problems. Depending on the coupling type and application, scheduled maintenance may include re-greasing, re-alignment, or replacing worn components.
Summary:
Proper installation and alignment are crucial for ensuring the optimal performance and longevity of a flexible coupling. Following the manufacturer’s guidelines, inspecting the components, achieving accurate alignment, and using the appropriate lubrication are key steps in the installation process. Regular inspection and maintenance help to identify and address potential issues, ensuring the coupling continues to operate smoothly and efficiently in the mechanical system.
What are the key considerations for selecting a flexible coupling for high-speed applications?
When selecting a flexible coupling for high-speed applications, several critical considerations should be taken into account to ensure optimal performance and reliability:
- Material and Design: Choose a flexible coupling made from high-quality materials that can withstand the high rotational speeds without experiencing excessive wear or fatigue. Consider designs that are specifically engineered for high-speed applications, ensuring they have the required torsional stiffness and damping characteristics.
- Balance: Imbalance at high speeds can lead to vibration and reduce the lifespan of the coupling and connected components. Look for precision-balanced flexible couplings that minimize vibration and avoid any potential resonance issues at operating speeds.
- Torsional Stiffness: In high-speed applications, torsional stiffness is crucial to maintaining accurate rotational timing and preventing torque losses. Choose a flexible coupling with adequate torsional stiffness to minimize angular deflection under load.
- Dynamic Balancing: Dynamic balancing is essential for flexible couplings used in high-speed applications. A dynamically balanced coupling reduces vibrations caused by rotational imbalances, increasing the smoothness and stability of the system.
- Temperature Resistance: High-speed operations can generate significant heat, so select a flexible coupling that can withstand the elevated temperatures without compromising its mechanical properties or causing premature failure.
- Alignment and Runout Tolerance: Accurate alignment of the coupling with the shafts is crucial to prevent additional stress and vibration. Consider couplings with high runout tolerance and ease of alignment to facilitate proper installation.
- Service Life and Maintenance: Evaluate the expected service life of the flexible coupling in high-speed applications. Low-maintenance couplings are desirable to reduce downtime and maintenance costs.
- Application Specifics: Consider the specific requirements of the high-speed application, such as the magnitude of torque, axial movement, and the presence of shock loads. Choose a coupling that can handle these specific demands while maintaining performance at high speeds.
- Compliance with Standards: Ensure that the selected flexible coupling complies with relevant industry standards and specifications, especially those related to high-speed performance and safety.
By carefully considering these key factors, engineers can choose a flexible coupling that meets the demands of high-speed applications, delivering reliable and efficient power transmission while minimizing the risk of premature wear, vibration, and downtime.
What materials are commonly used in manufacturing flexible couplings?
Flexible couplings are manufactured using a variety of materials, each offering different properties and characteristics suited for specific applications. The choice of material depends on factors such as the application’s requirements, environmental conditions, torque capacity, and desired flexibility. Here are some of the commonly used materials in manufacturing flexible couplings:
- Steel: Steel is a widely used material in flexible couplings due to its strength, durability, and excellent torque transmission capabilities. Steel couplings are suitable for heavy-duty industrial applications with high torque requirements and harsh operating conditions.
- Stainless Steel: Stainless steel is often used to manufacture flexible couplings in environments with high corrosion potential. Stainless steel couplings offer excellent resistance to rust and other corrosive elements, making them ideal for marine, food processing, and chemical industry applications.
- Aluminum: Aluminum couplings are lightweight, have low inertia, and provide excellent balance. They are commonly used in applications where reducing weight is critical, such as aerospace and robotics.
- Brass: Brass couplings are known for their electrical conductivity and are used in applications where electrical grounding or electrical isolation is required, such as in certain industrial machinery or electronics equipment.
- Cast Iron: Cast iron couplings offer good strength and durability and are often used in industrial applications where resistance to shock loads and vibrations is necessary.
- Plastic/Polymer: Some flexible couplings use high-performance polymers or plastics, such as polyurethane or nylon. These materials provide good flexibility, low friction, and resistance to chemicals. Plastic couplings are suitable for applications where corrosion resistance and lightweight are essential.
- Elastomers: Elastomers are used as the flexible elements in many flexible couplings. Materials like natural rubber, neoprene, or urethane are commonly used as elastomer spider elements, providing flexibility and vibration damping properties.
The selection of the coupling material depends on the specific needs of the application. For instance, high-performance and heavy-duty applications may require steel or stainless steel couplings for their robustness, while applications where weight reduction is crucial may benefit from aluminum or polymer couplings. Additionally, the choice of material is influenced by factors such as temperature range, chemical exposure, and electrical requirements in the application’s operating environment.
Manufacturers typically provide material specifications for their couplings, helping users make informed decisions based on the specific demands of their applications.
editor by CX 2024-02-15