Product Description
Product Description
GROOVED FLEXIBLE COUPLINGS PRODUCTS SERISE
STAINLESS STEEL GROOVED FLEXIBLE COUPLINGS SPECIFICATION
MATERIAL SPECIFICATIONS
Housing : Stainless steel CF8(304) or CF3M(316L).
Rubber Gasket : Standard gasket is EPDM(Ethylene-Propylene-Diene Monomer), the range of working temperature is -50ºC-150ºC,using for cold water,hot water and rare alkaline chemical products.
Bolt&Nuts : Stainless steel bolts&nuts according to international standard models of carriage bolts and flange nuts.Nut is SS304 material.
According to ASTM A743 standard for housing material
–Type 304 to ASTM A743 CF8(304)
–Type 316L to ASTM A743 CF3M(316L)
SIZE SPECIFICATIONS
Size range : 1″to 8″(DN25 to DN200),cutting groove only.
Rated working pressure
–Low pressure flexible coupling 300psi;
–Medium pressure flexible coupling 600psi;
–High pressure flexible coupling 1000/1200psi;
–Super High pressure flexible coupling 1500psi.
Product Parameters
Our Advantages
Housing:
Stainless steel(304/316L) is used as raw material with good corrosion resistance. And there is the natures which is high strength, good toughness and good mechanical properties. According to the precision casting process, the precision of the clamping size is guaranteed.The material has tensile strength which is not less than 600 MPA and the extension is not less than 15%. withstands high pressure and high impact of pipeline by several disadvantage factors.
Gasket :
The gasket(EPDM) seal with special C-shaped design, that is perfect matching with pipeline dimension in order to achieve working pressure.The gasket is tightener while further pressed in order to achieve sealing efficiency.when the Meanwhile, the imported raw material will also be guaranteed the mechanical properties.
Quality Control
Scope of application
Company Profile
ZheJiang Morui Environment&Technology Co., Ltd. (refer to ZheJiang MR), is professional company which is committed to become processing manufacturer of pipeline system solutions. Located in the ZheJiang High-tech Zone as headquarter. There are several branches in ZheJiang , ZheJiang and ZheJiang provinces.
We are not only processing manufacturer, but also it has the own sales and service network. We are able to grasp accurately the clients’ “pain points” that the clients faced. And provide the proper solutions immediately. Because we have the excellent team who are focusing on follow-up service.
The ZheJiang MR company’s products have been widely used in the field of MF, UF and RO system, sewage water system, water supply and drainage, high-pressure desalination system, such as garbage infiltration liquid, electronic, chemical industry, air-conditioning and so on. Our products are compliance with international first-class standard(GB, ASTM, DIN and JIS). Meanwhile providing the professional before-sale and after-sale service to our clients.
Certifications
FAQ
Qn1: Are you the factory or trading company?
Ans: We are the factory of manufacturing flexible grooved couplings. There are 2 different types ,including plastic and stainless steel. They are mainly applicable in RO,UF and NF system.
The size is from 1″ to 8″, which is satisfied with water treatment.
Qn2:where is your factory located?
Ans:Our factory is located in B6-2,South Park,Guangda Green Industrial Zone,Xihu (West Lake) Dis. District,ZheJiang ,China.
Qns3: How about the working pressure of grooved couplings?
Ans: For plastic grooved couplings, normally are used in UF system. The Working pressure is up to 10bar with small size. For the larger size,up to 6bar,such like 2-1/2″ and 3″.
For stainless steel, there are 4 steps of working pressure. Low pressure(300psi),medium pressure(600psi), high pressure(1000psi) and ultra-high pressure(1500psi).
Qn4: Can I have sample provided?
Ans: Yes, we can provide sample.
Qn5: When can we get sample?
Ans: For standardized components with stock in hand, we’re ready for preparing within 2 working days.
Qn6: How can you ensure the quality of finished products?
Ans: There are several components to consists of finished goods,such as housing, gasket and bolts and nuts with any kinds of sizes. Excepts inspectors, we have several testing machines, like spectrographic analysis instrument, universal testing machine, impact machine and metallographic microscope to ensure the 100% sample selected be tested. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Can Rigid Couplings Handle Misalignment Between Shafts?
Rigid couplings are not designed to handle misalignment between shafts. Unlike flexible couplings that can accommodate slight misalignment through their bending or elastic properties, rigid couplings are intended to provide a fixed and immovable connection between two shafts. As a result, any misalignment between the shafts can lead to increased stress and uneven loading on connected components.
It is essential to ensure precise alignment when using rigid couplings to avoid premature wear and failure of the system. The shafts must be perfectly aligned in both the axial and angular directions before installing the rigid coupling. Proper alignment helps distribute the load evenly and reduces stress concentration on specific areas, such as bearings and keyways.
If a system requires some level of misalignment compensation due to factors like thermal expansion or slight shaft deflection, a flexible coupling should be considered instead. Flexible couplings can tolerate small degrees of angular and axial misalignment while still transmitting torque efficiently and protecting the connected equipment from excessive stress and wear.
In summary, rigid couplings are best suited for applications where precise shaft alignment can be achieved and maintained, while flexible couplings are more appropriate for systems with potential misalignment or other dynamic factors that require some degree of flexibility.
What Industries Commonly Use Rigid Couplings for Power Transmission?
Rigid couplings are widely used in various industries for power transmission applications that require a solid and reliable connection between rotating shafts. Some of the industries that commonly utilize rigid couplings include:
- Manufacturing: In the manufacturing industry, rigid couplings are employed in a wide range of equipment, such as conveyors, mixers, pumps, compressors, and machine tools. These couplings ensure precise power transmission and alignment, making them ideal for maintaining accuracy in manufacturing processes.
- Material Handling: Material handling equipment, including cranes, hoists, and elevators, often rely on rigid couplings to transfer power between shafts efficiently. Rigid couplings provide a robust connection that can handle the heavy loads and continuous operation common in material handling applications.
- Automotive: The automotive industry employs rigid couplings in various automotive systems, including drive shafts, transmissions, and steering systems. Rigid couplings contribute to the overall performance and reliability of these components, ensuring smooth power transfer and minimizing vibration.
- Mining and Construction: In the mining and construction industries, rugged and durable power transmission components are crucial. Rigid couplings are used in equipment like crushers, mills, and heavy-duty conveyors, where they can withstand the harsh conditions and heavy loads commonly found in these applications.
- Oil and Gas: The oil and gas industry often utilizes rigid couplings in pumps, compressors, and drilling equipment. Rigid couplings offer consistent and dependable power transmission, which is essential for critical operations in this sector.
- Marine: In marine applications, such as ship propulsion systems and marine pumps, rigid couplings are used to transmit power between the ship’s engine and various equipment. They can handle the dynamic forces and vibrations encountered in marine environments.
- Aerospace: In aerospace applications, where precision and reliability are paramount, rigid couplings play a role in power transmission between various aircraft components.
Rigid couplings are chosen in these industries for their ability to maintain shaft alignment, resist misalignment, and provide a backlash-free connection. Their robust construction and simple design make them suitable for high torque and high-speed applications, where precision and efficiency are crucial.
Limitations and Disadvantages of Using Rigid Couplings:
Rigid couplings offer several advantages in providing a strong and direct connection between shafts, but they also have certain limitations and disadvantages that should be considered in certain applications:
- No Misalignment Compensation: Rigid couplings are designed to provide a fixed connection with no allowance for misalignment between shafts. As a result, any misalignment, even if slight, can lead to increased stress on connected components and cause premature wear or failure.
- Transmit Shock and Vibration: Rigid couplings do not have any damping or vibration-absorbing properties, which means they can transmit shock and vibration directly from one shaft to another. In high-speed or heavy-duty applications, this can lead to increased wear on bearings and other components.
- No Torque Compensation: Unlike flexible couplings, rigid couplings cannot compensate for torque fluctuations or angular displacement between shafts. This lack of flexibility may not be suitable for systems with varying loads or torque requirements.
- Higher Stress Concentration: Rigid couplings can create higher stress concentration at the points of connection due to their inflexibility. This can be a concern in applications with high torque or when using materials with lower fatigue strength.
- More Challenging Installation: Rigid couplings require precise alignment during installation, which can be more challenging and time-consuming compared to flexible couplings that can tolerate some misalignment.
- Increased Wear: The absence of misalignment compensation and vibration absorption can lead to increased wear on connected components, such as bearings, shafts, and seals.
- Not Suitable for High Misalignment: While some rigid couplings have limited ability to accommodate minor misalignment, they are not suitable for applications with significant misalignment, which could lead to premature failure.
Despite these limitations, rigid couplings are still widely used in many applications where precise alignment and a strong, permanent connection are required. However, in systems with significant misalignment, vibration, or shock loads, flexible couplings may be a more suitable choice to protect the connected components and improve overall system performance and longevity.
editor by CX 2024-04-15