Product Description

 SS Rigid stainless steel grooved coupling / pipe clamp / quick coupling …

Rigid coupling SS acid resistant stainless steel coupling is designed to be used with SCH5S-SCH40S stainless steel pipes

Working pressure: 350PSI, 600Psi,1200PSI
                                 2.5Mpa,4.2Mpa, 8.3Mpa

Materials

Housing: Type CF8M (316) stainless steel ASTM A351, A743 or A744 Gr. CF-8M
Bolts & nuts: Stainless steel ASTM A193 B-8 , (SS316 )

Gasket

Standard gasket: Class “E” EPDM: Recommended to be used with cold and hot water within the temperature range -34 °C – +110 °C. Can also be used with diluted acids, oil-free air and several different chemicals. Not recommended to be used with oils, mineral oils, solvents or aromatic hydrocarbons.
Alternative gasket: Class “T” Nitrile: (Colour code: Orange). Temperature range: -29 °C – + 82 °C. Recommended to be used with oil products, oil containing air, vegetable and mineral oils within the provided temperature range. Also with water below +66 °C. Not to be used with HOT WATER over +66 °C or HOT DRY AIR over +60 °C.

Alternatives:
Class “O” – Fluoroelastomer
Class “L” – Silicone

Dimensions

DN D (mm) Distance between pipe ends (mm) X (mm) Y (mm) Z (mm) Bolt size (mm) Weight (kg)
25 33.4 0-2.2 54.0 100 44 M10x50 0.5
32 42.2 0-2.2 62.0 108 44 M10x50 0.6
40 48.3 0-2.2 68.0 114 44 M10x50 0.6
50 60.3 0-2.2 81.0 128 45 M10x50 0.7
65 76.1 0-2.2 98.0 144 46 M10x50 0.9
80 88.9 0-2.6 111.0 161 47 M10x50 1.0
100 114.3 0-2.6 140.0 189 48 M10x60 1.4
125 139.7 0-2.6 167.0 227 49 M12x70 2.0
150 168.3 0-2.6 197.0 256 49 M12x70 2.3
200 219.1 0-4.9 254.0 322 59 M16x90 4.2
*250 273.0
*300 323.9

Technical data

DN D (mm) Max working pressure
Sch 40S (Bar)
Max tensile strength
Sch 40S2 (kN)
Max working pressure
Sch 10S (Bar)
Max tensile strength
Sch 10S2 (kN)
Max working pressure
Sch 5S (Bar)
Max tensile strength
Sch 5S2 (kN)
25 33.4 25 4.6 25 3.7 16 2.5
32 42.2 25 7.3 25 5.9 16 3.9
40 48.3 25 9.5 25 7.7 16 5.1
50 60.3 25 14.9 25 12.0 16 8.0
65 76.1 25 19.1 25 15.9 16 10.9
80 88.9 25 26.1 25 21.7 16 14.9
100 114.3 25 35.9 25 35.9 16 24.6
125 139.7 16 42.9 16 42.9 10 32.2
150 168.3 16 62.3 16 62.3 10 46.7
200 219.1 16 79.2 16 79.2 10 52.8
*250 273.0
*300 323.9

Not a stock product, confirm delivery time and specifications.
** Only use tools and equipment intended for stainless steel when grooving stainless steel pipes during installation.

Our company is engaged in the production and trade of all kinds of Stainless Steel Grooved Pipe Coupling finished and unfinished products. Stainless Steel Grooved Pipe Coupling is our main production and sell well. We have established business relationships with clients in the Korea, Japan, Singapore, Iran, Dubai, Yemen, Chile, Brazil, France, UK, Italy, Canada and more than 20 countries and regions for Stainless Steel Grooved Pipe Coupling Annual sales revenue is USD 50 billion. The details of payment method, delivery time and minimium quantity and so on for Stainless Steel Grooved Pipe Coupling can be negotiated according to the order. /* 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

rigid coupling

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.

rigid coupling

Can Rigid Couplings Be Used in Applications with Varying Operating Temperatures?

Rigid couplings are versatile mechanical components that can be used in a wide range of applications, including those with varying operating temperatures. However, the selection of the appropriate material for the rigid coupling is crucial to ensure its reliable performance under different temperature conditions.

Material Selection: The choice of material for the rigid coupling depends on the specific operating temperature range of the application. Common materials used in manufacturing rigid couplings include steel, stainless steel, and aluminum, among others. Each material has its own temperature limitations:

Steel: Rigid couplings made from steel are suitable for applications with moderate to high temperatures. Steel couplings can handle temperatures ranging from -40°C to around 300°C, depending on the specific grade of steel used.

Stainless Steel: Stainless steel rigid couplings offer higher corrosion resistance and can be used in applications with more demanding temperature environments. They can withstand temperatures from -80°C to approximately 400°C.

Aluminum: Aluminum rigid couplings are commonly used in applications with lower temperature requirements, typically ranging from -50°C to around 120°C.

Thermal Expansion: When selecting a rigid coupling for an application with varying temperatures, it is essential to consider thermal expansion. Different materials have different coefficients of thermal expansion, meaning they expand and contract at different rates as the temperature changes. If the operating temperature fluctuates significantly, the thermal expansion of the rigid coupling and the connected components must be carefully accounted for to avoid issues with misalignment or binding.

Extreme Temperature Environments: For applications with extremely high or low temperatures beyond the capabilities of traditional materials, specialized high-temperature alloys or composites may be required. These materials can withstand more extreme temperature conditions but may come with higher costs.

Lubrication: The choice of lubrication can also play a role in the suitability of rigid couplings for varying temperature applications. In high-temperature environments, consideration should be given to using high-temperature lubricants that can maintain their effectiveness and viscosity at elevated temperatures.

In conclusion, rigid couplings can indeed be used in applications with varying operating temperatures, but careful material selection, consideration of thermal expansion, and appropriate lubrication are essential to ensure reliable and efficient performance under changing temperature conditions.

rigid coupling

What is a Rigid Coupling and How Does it Work?

A rigid coupling is a type of mechanical coupling used to connect two shafts together at their ends to transmit torque and rotational motion without any flexibility or misalignment accommodation. Unlike flexible couplings, rigid couplings do not allow for angular, parallel, or axial misalignment between the shafts. The main purpose of a rigid coupling is to provide a strong and solid connection between two shafts, ensuring precise and synchronous power transmission between them.

Structure and Design:

Rigid couplings are typically made from durable materials such as steel, stainless steel, or aluminum, which can withstand high torque and load applications. The coupling consists of two halves, each with a cylindrical bore that fits tightly onto the respective shafts. The two halves are then fastened together using bolts or set screws to ensure a secure and rigid connection.

Working Principle:

The working principle of a rigid coupling is straightforward. When the two shafts are aligned precisely and the coupling is securely fastened, any torque applied to one shaft gets directly transferred to the other shaft. The rigid coupling essentially makes the two shafts act as one continuous shaft, allowing for synchronous rotation without any relative movement or play between them.

Applications:

Rigid couplings are commonly used in applications where precise alignment and torque transmission are essential. Some common applications of rigid couplings include:

  • High-precision machinery and equipment
  • Robotics and automation systems
  • Precision motion control systems
  • Machine tools
  • Shaft-driven pumps and compressors

Advantages:

The key advantages of using rigid couplings include:

  • High Torque Transmission: Rigid couplings can handle high torque and power transmission without any loss due to flexibility.
  • Precision: They provide accurate and synchronous rotation between the shafts, making them suitable for precise applications.
  • Simple Design: Rigid couplings have a simple design with minimal moving parts, making them easy to install and maintain.
  • Cost-Effective: Compared to some other coupling types, rigid couplings are generally more cost-effective.

Limitations:

Despite their advantages, rigid couplings have certain limitations:

  • No Misalignment Compensation: Rigid couplings cannot accommodate any misalignment between the shafts, making precise alignment during installation crucial.
  • Transmits Vibrations: Since rigid couplings do not dampen vibrations, they can transmit vibrations and shocks from one shaft to the other.
  • Stress Concentration: In some applications, rigid couplings can create stress concentration at the ends of the shafts.

In summary, rigid couplings are ideal for applications that require precise alignment and high torque transmission. They offer a robust and straightforward solution for connecting shafts and ensuring synchronous power transmission without any flexibility or misalignment accommodation.

China Best Sales ASTM A351 CF8m 350psi - 500psi 316 Rigid Coupling  China Best Sales ASTM A351 CF8m 350psi - 500psi 316 Rigid Coupling
editor by CX 2024-02-01