Product Description

GROOVED FLEXIBLE COUPLINGS PRODUCTS SERISE

Product Description

STAINLESS STEEL GROOVED FLEXIBLE COUPLINGS SPECIFICATION

MATERIAL SPECIFICATIONS

Housing : Stainless steel 304(CF8) or 316L(CF3M)

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

  
LOW PRESSURE STAINLESS STEEL FLEXIBLE GROOVED COUPLING(300psi)
 

Our Advantages

Housing:
Stainless steel 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 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.

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.

Quality Control

Certifications

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Temperature and Pressure Limits of Stainless Steel Couplings

The temperature and pressure limits of stainless steel couplings can vary depending on the specific design, size, and material of the coupling. In general, stainless steel couplings are known for their excellent temperature and pressure resistance, making them suitable for a wide range of applications, including high-temperature and high-pressure environments.

Temperature Limits:

Stainless steel couplings can typically handle a wide temperature range, from as low as -100°C (-148°F) to as high as 800°C (1472°F) or even higher for specialized high-temperature applications. However, the exact temperature limits depend on factors such as the grade of stainless steel used, the presence of any seals or elastomeric components, and the intended application. Some stainless steel couplings are specifically designed for extreme temperatures in industries like aerospace, oil and gas, and chemical processing.

Pressure Limits:

Stainless steel couplings are known for their excellent strength and resistance to pressure. They can handle pressures ranging from a few hundred PSI (pounds per square inch) to several thousand PSI, depending on the coupling’s size and design. High-pressure stainless steel couplings are commonly used in hydraulic systems, oil and gas pipelines, and heavy machinery applications where reliable sealing and pressure containment are critical.

It is important to consult the manufacturer’s specifications and technical data to determine the exact temperature and pressure limits of a specific stainless steel coupling model. Using the coupling within the specified limits ensures optimal performance and avoids potential failure or damage.

Design Considerations for Stainless Steel Couplings in Marine or Corrosive Environments

Stainless steel couplings are often used in marine or corrosive environments due to their corrosion-resistant properties. However, there are some specific design considerations to ensure optimal performance and longevity in such harsh conditions:

1. Material Selection: Choose the right grade of stainless steel that offers the best corrosion resistance for the specific marine or corrosive environment. Common stainless steel grades used in such applications include 316 and 316L, which provide excellent resistance to seawater and various corrosive agents.
2. Surface Finish: Ensure that the coupling’s surface has a smooth and polished finish. A smooth surface minimizes the accumulation of contaminants and reduces the risk of crevice corrosion in marine environments.
3. Sealing: Implement effective sealing mechanisms to prevent moisture and contaminants from entering the coupling. Seals such as rubber gaskets or O-rings can help protect the coupling’s interior and reduce the risk of corrosion-related failure.
4. Coatings: Consider applying additional protective coatings or treatments to enhance the coupling’s corrosion resistance. Coatings like epoxy or zinc can provide an extra layer of protection against marine and corrosive elements.
5. Isolation: In some cases, it might be beneficial to isolate the coupling from direct contact with seawater or corrosive substances. Mounting the coupling on non-corrosive materials or using isolating bushings can help minimize the impact of harsh environments.
6. Regular Maintenance: Perform routine inspections and maintenance to check for signs of corrosion or wear. Regularly clean the coupling and remove any accumulated debris or contaminants to prevent accelerated corrosion.
7. Testing: Before deploying stainless steel couplings in marine or corrosive environments, conduct thorough testing to ensure they meet the specific requirements of the application. This testing can include corrosion resistance testing and performance evaluations under simulated conditions.
8. Monitoring: Implement monitoring systems to detect any early signs of corrosion or degradation. Monitoring can help identify potential issues before they lead to coupling failure and allow for timely preventive measures.

By carefully considering these design considerations and implementing appropriate measures, stainless steel couplings can withstand the challenges of marine or corrosive environments and maintain their performance and durability over time.

Proper Installation of Stainless Steel Couplings for Optimal Performance

Installing a stainless steel coupling correctly is essential for ensuring its optimal performance and longevity. Follow these steps for proper installation:

1. Inspect the Coupling: Before installation, carefully inspect the coupling and its components for any damage or defects. Ensure that it matches the required specifications for the application.
2. Prepare the Shafts: Clean and degrease the shafts to ensure a clean surface for coupling attachment. Remove any debris or contaminants that could affect the coupling’s performance.
3. Align the Shafts: Make sure the shafts are properly aligned to minimize misalignment, which can cause stress on the coupling and lead to premature failure. Use alignment tools to achieve precise alignment.
4. Apply Lubrication: Apply a thin layer of appropriate lubricant to the mating surfaces of the coupling halves and the shafts. This will reduce friction during installation and future operation.
5. Assemble the Coupling: Carefully position the coupling halves onto the shafts, ensuring that they are fully engaged and aligned. Follow the manufacturer’s instructions for assembly, including torque specifications for clamping screws.
6. Tighten Clamping Screws: Gradually tighten the clamping screws in a criss-cross pattern to ensure even pressure distribution. Use a torque wrench to achieve the recommended torque value specified by the manufacturer.
7. Check Runout: After installation, check for any runout or eccentricity by rotating the coupling and observing any visible movement or vibration. Address any runout issues promptly.
8. Perform a Trial Run: Before putting the coupling into full operation, perform a trial run to ensure smooth operation and check for any signs of abnormal behavior or noise.
9. Regular Inspections: Implement a maintenance schedule to regularly inspect the coupling for wear, corrosion, or misalignment. Address any issues promptly to prevent further damage.

Properly installing a stainless steel coupling according to these guidelines will help maximize its performance, reliability, and service life in the mechanical system.

editor by CX 2024-05-09