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
LOW PRESSURE STAINLESS STEEL FLEXIBLE GROOVED COUPLING(300psi)
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. /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Durometer Hardness in Rubber Coupling Materials
Durometer hardness is a measure of the material’s resistance to indentation or penetration by a specified indenter. In rubber couplings, durometer hardness is a critical characteristic that influences their performance. It is typically measured using a durometer instrument.
The durometer hardness scale commonly used for rubber materials is the Shore durometer scale, indicated by a letter followed by a numerical value (e.g., Shore A, Shore D). Lower durometer values indicate softer and more flexible rubber, while higher values indicate harder and less flexible rubber.
In relation to rubber couplings:
- Higher Durometer (Harder Rubber): Couplings made from harder rubber materials have better torque transmission capabilities and higher load-bearing capacity. However, they may offer less vibration isolation and misalignment compensation.
- Lower Durometer (Softer Rubber): Couplings made from softer rubber materials provide greater flexibility, vibration damping, and misalignment compensation. They are suitable for applications where vibration reduction is crucial.
The choice of durometer hardness depends on the specific requirements of the application, including torque levels, vibration, misalignment, and desired performance characteristics.
Common Rubber Materials Used in Manufacturing Rubber Couplings
Various rubber materials are used in the manufacturing of rubber couplings, each chosen based on its specific properties and the intended application:
- Neoprene: Known for its oil and chemical resistance, neoprene rubber is used in couplings that require durability and resistance to harsh environments.
- Nitrile: Nitrile rubber offers excellent oil and fuel resistance, making it suitable for applications in machinery that involve contact with lubricants.
- Natural Rubber: Natural rubber provides good elasticity and flexibility, making it suitable for couplings requiring high levels of shock and vibration absorption.
- EPDM: Ethylene Propylene Diene Monomer (EPDM) rubber offers good resistance to weather, ozone, and aging, making it suitable for outdoor or high-temperature applications.
- Polyurethane: Polyurethane rubber offers high abrasion resistance and can handle higher load capacities, making it suitable for heavy-duty applications.
The choice of rubber material depends on factors such as the operating environment, chemical exposure, temperature range, flexibility requirements, and load conditions. Engineers select the appropriate rubber material to ensure the coupling’s performance and longevity in specific applications.
Transmitting Torque and Damping Vibrations with a Rubber Coupling
A rubber coupling utilizes its flexible rubber element to achieve both torque transmission and vibration damping:
1. Torque Transmission: The rubber element connects two hubs, which are attached to the input and output shafts. As the input shaft rotates, it causes the rubber element to deform due to the applied torque. This deformation creates a shearing action within the rubber material, transmitting torque from the input to the output shaft.
2. Vibration Damping: The flexible rubber element of the coupling acts as a vibration isolator. When the coupling experiences external vibrations or shocks, the rubber absorbs the energy and dampens the vibrations before they reach the output shaft. The rubber’s elasticity and damping properties help mitigate vibrations and reduce the impact on the connected machinery, enhancing overall system performance and longevity.
This combination of torque transmission and vibration damping makes rubber couplings suitable for applications where misalignment compensation, shock absorption, and dampening of vibrations are essential, such as in pumps, compressors, HVAC systems, and various industrial machinery.
editor by CX 2024-02-25