Product Description
SDSX Grooved Rigid Coupling
System s & Performance
SDSX Grooved mechanical couplings(GMC) are available in both rigid and flexible models.
A rigid coupling is used in applications where a rigid joint is desired,similar to that of a traditional flanged,welded ,or threaded connection.
To be considered rigid,a coupling would allow less than 1 degree of deflection or angular movement
Description
SDSX rigid coupling is designed from 1″-12″, and pressure is 300psi/2070 kPa.
Bolts/Nuts: Heat-treated plated carbon steel, meeting its mechanical properties Grade 8.8.
Gaskets: EPDM, silicon rubber and Nitrile rubber.
Dimensions
| Nominal Size mm/in |
Pipe O.D mm/in |
Working Pressure PSI/MPa |
Bolt Size | Dimensions mm/in | ||
| No.-Size mm | Ø | L | H | |||
| 25 1 |
33.7 1.327 |
300 2.07 |
2-3/8*45 | 60 2.362 |
102 4.016 |
45 1.772 |
| 32 1¼ |
42.4 1.669 |
300 2.07 |
2-3/8*45 | 70 2.756 |
106 4.173 |
44 1.732 |
| 40 1½ |
48.3 1.900 |
300 2.07 |
2-3/8*45 | 73 2.874 |
108 4.252 |
44 1.732 |
| 50 2 |
57.0 2.245 |
300 2.07 |
2-3/8*55 | 83 3.268 |
122 4.803 |
45 1.772 |
| 50 2 |
60.3 2.375 |
300 2.07 |
2-3/8*55 | 87 3.425 |
123 4.843 |
44 1.732 |
| 65 2½ |
73.0 2.875 |
300 2.07 |
2-3/8*55 | 100 3.937 |
138 5.433 |
44 1.732 |
| 65 2½ |
76.1 3.000 |
300 2.07 |
2-3/8*55 | 103 4.055 |
142 5.591 |
45 1.772 |
| 80 3 |
88.9 3.500 |
300 2.07 |
2- 1/2*60 | 117 4.606 |
166 6.535 |
45 1.772 |
| 100 4 |
108.0 4.250 |
300 2.07 |
2- 1/2*65 | 137 5.393 |
188 7.401 |
48 1.889 |
| 100 4 |
114.3 4.500 |
300 2.07 |
2- 1/2*65 | 139 5.472 |
190 7.480 |
49 1.929 |
| 125 5 |
133.0 5.250 |
300 2.07 |
2- 1/2*75 | 163 6.417 |
210 8.268 |
49 1.929 |
| 125 5 |
139.7 5.500 |
300 2.07 |
2- 1/2*75 | 168 6.614 |
218 8.583 |
49 1.929 |
| 150 6 |
159.0 6.250 |
300 2.07 |
2- 1/2*75 | 192 7.559 |
242 9.528 |
49 1.929 |
| 150 6 |
165.1 6.500 |
300 2.07 |
2- 1/2*75 | 193 7.598 |
241 9.488 |
49 1.929 |
| 150 6 |
168.3 6.625 |
300 2.07 |
2- 1/2*75 | 198.5 7.815 |
249 9.803 |
50 1.969 |
| 200 8 |
219.1 8.625 |
300 2.07 |
2-5/8*85 | 253 9.961 |
320 12.598 |
59 2.323 |
| 250 10 |
273 10.748 |
300 2.07 |
2-7/8*130 | 335 13.189 |
426 16.772 |
68 2.677 |
| 300 12 |
323.9 12.752 |
300 2.07 |
2-7/8*130 | 380 14.96 |
470 18.504 |
65 2.559 |
Material Specification
Housing: Ductile iron conforming to ASTM A-536, grade 65-45-12.
Housing Coating: Paint red and orange
• Optional: Hot dipped galvanized, electro galvanized.
Gaskets
• EPDM: Temperature range -34ºC to +150ºC. Recommended for hot water service within
the specified temperature range plus a variety of dilute acids,oil-free air and many chemical services.
NOT RECOMMENDED FOR PETROLEUM SERVICES.
• Silicon Rubber: Temperature range -40ºC to +177ºC. Recommended for drinking water,
hot water, high-temperature air and some high-temperature chemicals.
NOT RECOMMENDED FOR PETROLEUM SERVICES.
• Nitrile Rubber: Temperature range -29ºC to +82ºC. Recommended for petroleum products,
air with oil vapors, vegetable and mineral oils within the specified temperature range.
NOT RECOMMENDED FOR HOT WATER
SERVICES OVER +150°F/+66ºC OR FOR HOT
DRY AIR OVER +140°F/+60ºC.
Installation
Certification
Showroom
Application
Package and shipment
Production and quality control
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What are the maintenance-free options available for flexible couplings?
Several maintenance-free options are available for flexible couplings, designed to reduce or eliminate the need for regular maintenance and lubrication. These options offer long-lasting performance and reliability while minimizing downtime and operational costs. Below are some maintenance-free options for flexible couplings:
1. Maintenance-Free Elastomeric Couplings: Elastomeric couplings with a specific design and materials can be maintenance-free. These couplings often incorporate high-quality elastomeric elements that do not require periodic lubrication. The elastomeric material provides damping of shocks and vibrations and allows for misalignment compensation, making them suitable for various applications without the need for regular maintenance.
2. Non-Lubricated Metallic Couplings: Some metallic couplings are designed to operate without the need for lubrication. These couplings use self-lubricating materials or specialized coatings that reduce friction between moving parts, eliminating the need for manual lubrication. They can handle high torque and speed requirements while providing reliable performance over extended periods without maintenance.
3. Pre-Lubricated Couplings: Certain flexible couplings come pre-lubricated during manufacturing. These couplings have grease or lubricant already applied to the critical components, providing sufficient lubrication for an extended period of operation. As a result, users do not need to perform regular lubrication maintenance, reducing maintenance tasks and associated costs.
4. Sealed Couplings: Some flexible couplings are designed with integrated seals or shields that protect internal components from contaminants and prevent lubricant leakage. These sealed couplings are inherently maintenance-free, as they ensure long-lasting performance without the need for external maintenance or re-lubrication.
5. Non-Wearing Materials: Certain flexible couplings are constructed using non-wearing materials, such as high-performance polymers. These materials offer excellent resistance to wear and abrasion, reducing the need for maintenance and replacement due to wear-related issues.
6. Torque-Responsive Couplings: Some maintenance-free couplings are designed to disengage or slip when the torque exceeds a certain threshold. This feature protects the connected equipment from excessive loads, preventing damage and reducing the need for maintenance or repairs caused by overload conditions.
Summary: Maintenance-free options for flexible couplings are available, offering reliable and long-lasting performance without the need for regular maintenance and lubrication. These couplings utilize specialized materials, designs, and features to handle various operating conditions while minimizing downtime and operational costs. Selecting a maintenance-free coupling that suits the specific application requirements can significantly improve the overall efficiency and reliability of the mechanical system.
Can flexible couplings accommodate both radial and axial loads simultaneously?
Yes, flexible couplings are designed to accommodate both radial and axial loads simultaneously, making them versatile for various mechanical systems. The ability to handle these loads is one of the key advantages of using flexible couplings in power transmission applications. Here’s how they manage both types of loads:
- Radial Loads: Radial loads act perpendicular to the shaft’s axis and can arise from forces that are not in line with the shaft, such as belt tension or bearing loads. Flexible couplings can handle radial loads due to their flexibility and ability to bend or deform slightly, redistributing the radial forces and minimizing the impact on the connected equipment.
- Axial Loads: Axial loads act along the shaft’s axis and are common in applications with thrust forces or axial movements. Flexible couplings can accommodate axial loads through their axial flexibility, allowing slight axial displacement without transmitting excessive forces to the connected components.
- Angular Misalignment: Besides radial and axial loads, flexible couplings can also handle angular misalignment between the shafts. Angular misalignment occurs when the shafts are not perfectly aligned, and flexible couplings can compensate for this misalignment, reducing wear and stress on the connected machinery.
By accommodating both radial and axial loads, flexible couplings help prevent premature wear, reduce the risk of equipment damage, and contribute to smoother and more efficient power transmission. When selecting a flexible coupling for an application, it is essential to consider the expected radial and axial loads, as well as the required level of misalignment compensation to ensure optimal performance and longevity of the coupling and the connected equipment.
Can flexible couplings be used in applications with varying operating temperatures?
Yes, flexible couplings can be used in applications with varying operating temperatures. The suitability of a flexible coupling for a specific temperature range depends on its design and the materials used in its construction. Different types of flexible couplings are available to handle a wide range of temperature conditions, making them versatile for use in various industries and environments.
High-Temperature Applications:
For applications with high operating temperatures, such as those found in certain industrial processes, exhaust systems, or high-temperature machinery, flexible couplings made from materials with excellent heat resistance are used. These materials may include stainless steel alloys, heat-treated steels, or specialized high-temperature elastomers. High-temperature flexible couplings are designed to maintain their mechanical properties, including flexibility and torque transmission capabilities, even at elevated temperatures.
Low-Temperature Applications:
Conversely, for applications in extremely cold environments or cryogenic processes, flexible couplings constructed from materials with low-temperature resistance are employed. These couplings are designed to remain flexible and functional at very low temperatures without becoming brittle or losing their ability to handle misalignment. Some low-temperature couplings may use special polymers or elastomers with excellent cold-temperature performance.
Temperature Range Considerations:
When selecting a flexible coupling for applications with varying operating temperatures, it is essential to consider the specific temperature range in which the coupling will operate. Some flexible couplings have a wider temperature range, allowing them to function effectively in both high and low-temperature environments. However, in extreme temperature conditions, specialized couplings may be necessary to ensure reliable performance and prevent premature failure.
Manufacturer Guidelines:
Manufacturers of flexible couplings provide guidelines and specifications regarding the temperature range of their products. It is crucial to consult the manufacturer’s documentation to ensure that the chosen coupling is suitable for the intended operating temperature of the application. Using a coupling beyond its recommended temperature range can lead to performance issues, reduced efficiency, or even failure.
Applications:
Flexible couplings with varying temperature resistance find use in numerous industries, including aerospace, automotive, manufacturing, power generation, and more. Whether in high-temperature exhaust systems, low-temperature cryogenic processes, or regular industrial applications with temperature fluctuations, flexible couplings play a vital role in providing reliable power transmission and misalignment compensation.
In summary, flexible couplings can be effectively used in applications with varying operating temperatures, provided that the coupling’s design and material properties align with the specific temperature requirements of the application.
editor by CX 2024-02-19