Product Description
4 colors choice: Red ,Orange ,Blue ,Galvanized Of Rigid Coupling ……
ductile iron rigid coupling / fire fitting coupling / grooved fittings
1.FM UL approved of All Grooved Coupling
2.Size:1-12″ for all grooved fitting
3.Grooved Coupling Material:ductile iron ASTM-A536 Grade 65-45-12
4.Grooved Coupling Surface :painting,epoxy,hot dip galvanzed rigid coupling
5.Gasket for Grooved Coupling : CHINAMFG ,slicon
Ductile Iron Rigid Coupling , flexible grooved coupling
WE CHINAMFG , MANUFACTURER OF STEEL PIPE AND PIPE FITTINGS ,HAVE EXPORTING EXPERIENCE FOR MORE THAN 20 YEARS ,
OUR PRODUCTS APPROVE ISO, TUV, PED ,API CERTIFICATE .
SIZE
| Rated diameter (mm) | Outside diameter (mm) | Rated pressure (Mpa) | Length (mm) | Weight(kg) | Rated diameter (mm) | Outside diameter (mm) | Rated pressure (Mpa) | Length (mm) | Weight (kg) |
| 40×32 | 48×42 | 2.5 | 60 | 1.25 | 150×125 | 165×133 | 2.5 | 142 | 9.68 |
| 65×50 | 76×60 | 90 | 2.72 | 150×125 | 165×140 | 9.72 | |||
| 80×50 | 89×60 | 94 | 2.85 | 200×100 | 219×108 | 179 | 15.67 | ||
| 80×65 | 89×76 | 3.18 | 200×100 | 219×114 | 15.98 | ||||
| 100×50 | 114×60 | 104 | 3.72 | 200×125 | 219×140 | 16.93 | |||
| 100×65 | 114×76 | 4.31 | 200×150 | 219×159 | 18.9 | ||||
| 100×80 | 114×89 | 4.46 | 200×150 | 219×165 | 19.24 | ||||
| 125×50 | 140×60 | 122 | 5.52 | 250×100 | 273×114 | 215 | 20.86 | ||
| 125×65 | 140×76 | 5.58 | 250×125 | 273×140 | 24.59 | ||||
| 125×80 | 140×89 | 5.71 | 250×150 | 273×165 | 25.34 | ||||
| 125×100 | 140×108 | 6.85 | 250×200 | 273×219 | 26.46 | ||||
| 125×100 | 140×114 | 6.91 | 300×100 | 325×114 | 245 | 43.8 | |||
| 150×50 | 165×60 | 142 | 7.74 | 300×150 | 325×159 | 44.3 | |||
| 150×65 | 165×76 | 7.91 | 300×150 | 325×165 | 45.2 | ||||
| 150×80 | 165×89 | 8.55 | 300×200 | 325×219 | 46.8 | ||||
| 150×100 | 165×108 | 8.71 | 300×250 | 325×273 | 48.6 | ||||
| 150×100 | 165×114 | 8.79 | |||||||
DETAILS
| Name | Rigid and flexible Coupling, elbow, tee, cross, reducer, cap, mechanical tee, mechanical cross, flange adaptor |
| Standard | ANSI, ASTM, ISO |
| Type | Manufacturer,trading company |
| Material | Ductile iron |
| Finish | Paint, Epoxy or Galvanization |
| Approval | FM/UL |
| Usage | 1) Automatic sprinkler system for fire protection on commercial, civil and municipal constructions like water supplying, gas supplying, heat supplying, etc. 2) Industrial pipeline system on shipping, mine, oil field, textile, powder plant, etc. 3) Pipeline system on subway station, railway station, airport, seaport, bridge, etc. |
| Payment | L/C or T/T |
| Delivery Time | within 30 days or as per customers’ requirment |
HangZhou CHINAMFG STEEL INDUSTRY CO., LTD. is an Industry Group Company. It is a professional company in designing, producing and selling steel pipe, pipe fittings, flanges, valves . We have our own big factories with modern machine line to make high quality products, which is mainly to be exported to oversea markets.
We have advanced technology of management; we win the trust because of our good quality.We have clannish conscientious and passionate salesman, we gladden and steady the customers with our best service.
We are pure-hearted and awaiting for your kind attention to our company.
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What are the torque and speed ratings for different sizes of flexible couplings?
The torque and speed ratings of flexible couplings can vary depending on their size, design, and material. Manufacturers typically provide specifications for each specific coupling model to ensure it is suitable for the intended application. Below are some general considerations regarding torque and speed ratings for different sizes of flexible couplings:
Torque Ratings:
The torque rating of a flexible coupling is the maximum amount of torque it can reliably transmit without experiencing excessive deformation or failure. It is essential to choose a coupling with a torque rating that exceeds the torque requirements of the application to ensure proper operation and avoid premature wear. Torque ratings are typically specified in Nm (Newton-meters) or lb-ft (pound-feet).
The torque capacity of a flexible coupling can increase with its size and design. Larger couplings, which have more substantial components and a larger flexible element, often have higher torque ratings compared to smaller couplings. Additionally, couplings with a more robust design, such as metallic couplings, generally have higher torque capacities compared to elastomeric couplings.
Speed Ratings:
The speed rating of a flexible coupling is the maximum rotational speed it can withstand while maintaining its structural integrity and performance. It is critical to select a coupling with a speed rating suitable for the application’s operating speed to avoid excessive wear and potential coupling failure. Speed ratings are typically specified in revolutions per minute (RPM).
Like torque ratings, the speed rating of a flexible coupling can be influenced by its size, design, and material. Larger couplings with more robust construction can often handle higher rotational speeds compared to smaller couplings. Metallic couplings, with their stiffer and more precise design, can also have higher speed ratings compared to elastomeric couplings.
Consulting Manufacturer Specifications:
To determine the torque and speed ratings for specific sizes of flexible couplings, it is essential to consult the manufacturer’s product specifications or technical datasheets. These documents provide detailed information about the coupling’s capabilities, including torque and speed ratings for each available size and model.
Application Considerations:
When selecting a flexible coupling, it is crucial to consider the torque and speed requirements of the specific application. Factors such as the power transmitted, the rotational speed of the machinery, and any transient or shock loads should be taken into account to ensure the selected coupling can handle the demands of the system.
Summary:
The torque and speed ratings of flexible couplings can vary based on their size, design, and material. Manufacturers provide specific torque and speed ratings for each coupling model to ensure their suitability for different applications. Consulting manufacturer specifications and considering the application’s requirements are vital in selecting the right flexible coupling that can handle the torque and speed demands of the mechanical system.
Can flexible couplings be used in the aerospace industry for critical applications?
Flexible couplings can be used in the aerospace industry for certain critical applications, but their usage is limited and carefully considered due to the stringent requirements and safety standards in the aerospace field. Here are some key points to consider:
- Specific Applications: In the aerospace industry, flexible couplings are primarily used in non-flight-critical systems or non-safety-critical applications. They are commonly found in auxiliary equipment, ground support systems, and non-flight propulsion systems.
- Weight and Space Constraints: Weight and space are crucial factors in aerospace applications. Flexible couplings must be lightweight and compact to minimize the impact on the overall weight and size of the aircraft or spacecraft.
- High Reliability Requirements: Aerospace systems demand high reliability and fault tolerance. Flexible couplings used in critical applications must meet stringent reliability standards and undergo rigorous testing and certification to ensure their performance under extreme conditions.
- Material Selection: Aerospace-grade materials are necessary to withstand the demanding environment of aerospace applications. These materials should have high strength-to-weight ratios, corrosion resistance, and excellent mechanical properties to handle the stresses and forces experienced during operation.
- Certifications: Flexible couplings used in the aerospace industry must adhere to specific certifications and standards, such as those set by organizations like the Federal Aviation Administration (FAA) in the United States or the European Union Aviation Safety Agency (EASA) in Europe.
- Redundancy and Safety Measures: In critical systems, redundancy and safety measures are paramount. Flexible couplings used in aerospace applications must be designed with redundancy features to ensure the system’s continued functionality in the event of a failure.
- Temperature and Environmental Considerations: Aerospace systems experience a wide range of temperatures and environmental conditions. Flexible couplings must be able to operate reliably in extreme temperatures, high altitudes, and other challenging environments encountered during flight or space missions.
While flexible couplings have their place in certain aerospace applications, flight-critical and safety-critical systems typically rely on rigid, precision-engineered couplings. These rigid couplings offer higher levels of torque transmission and precision but require careful alignment and installation.
Ultimately, the selection of flexible couplings for aerospace applications must undergo a thorough engineering evaluation and be approved by the relevant regulatory authorities to ensure the highest level of safety and performance in critical aerospace systems.
Can flexible couplings be used for both motor-to-shaft and shaft-to-shaft connections?
Yes, flexible couplings can be used for both motor-to-shaft and shaft-to-shaft connections in various applications. The versatility of flexible couplings allows them to adapt to different types of connections and meet the specific requirements of the system.
Motor-to-Shaft Connections:
When connecting a motor to a shaft, a flexible coupling serves as an intermediary component that joins the motor shaft and the driven shaft. Flexible couplings are commonly used in motor-driven systems to accommodate misalignment between the motor and the driven load. In motor applications, flexible couplings help reduce stress and wear on the motor bearings, thus extending the motor’s life and enhancing overall system reliability. They also act as vibration dampeners, minimizing vibrations transmitted from the motor to the driven shaft, and subsequently to connected equipment, ensuring smoother operation.
Shaft-to-Shaft Connections:
In many mechanical systems, such as those in the manufacturing, automation, and power transmission industries, shaft-to-shaft connections are required. A flexible coupling can bridge the gap between two shafts and transmit torque while accommodating misalignment. This type of coupling is commonly used to connect shafts that are not perfectly aligned due to factors like manufacturing tolerances, thermal expansion, or foundation settling. By allowing for misalignment, the flexible coupling protects the connected components from excessive stresses and ensures efficient power transmission.
Versatility and Advantages:
The ability of flexible couplings to handle both motor-to-shaft and shaft-to-shaft connections makes them versatile solutions for a wide range of industrial applications. Some of the advantages of using flexible couplings in these connections include:
- Minimizing stress and wear on connected components, such as bearings and seals.
- Compensating for misalignment, ensuring smooth power transmission.
- Damping vibrations and shock loads, reducing the risk of mechanical failures.
- Protecting equipment from excessive forces, enhancing system reliability.
- Simplifying installation and alignment procedures, reducing downtime.
- Improving overall system performance and operational efficiency.
Applications:
Flexible couplings find applications in a wide range of industries, including manufacturing, material handling, automotive, aerospace, robotics, and more. Whether connecting a motor to a shaft or joining two shafts directly, flexible couplings play a crucial role in enhancing the reliability and efficiency of rotating machinery and mechanical systems.
In conclusion, flexible couplings can effectively serve as connectors for both motor-to-shaft and shaft-to-shaft connections, providing essential misalignment compensation and protection for connected equipment in various industrial applications.
editor by CX 2024-03-05