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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Can flexible couplings be used in heavy-duty applications such as mining and construction?

Yes, flexible couplings can be used in heavy-duty applications such as mining and construction, where the equipment operates under challenging conditions and encounters high loads, vibrations, and misalignments. Flexible couplings offer several advantages that make them suitable for these demanding environments:

• Misalignment Compensation: Heavy-duty equipment in mining and construction may experience misalignment due to the rough terrain, uneven surfaces, or heavy loads. Flexible couplings can handle both angular and parallel misalignment, ensuring smooth power transmission even in these adverse conditions.
• Shock and Vibration Absorption: Mining and construction operations often involve high-impact loads and vibrations. Flexible couplings can dampen and absorb these shocks, protecting the connected components from damage and reducing wear and tear on the equipment.
• Torsional Stiffness: While flexible couplings are designed to accommodate misalignment, they still maintain a certain level of torsional stiffness to transmit torque efficiently. This is crucial in heavy-duty applications, where high torque is required to drive the machinery.
• Corrosion and Contamination Resistance: In mining and construction environments, equipment may be exposed to dust, dirt, water, and chemicals. Flexible couplings made from corrosion-resistant materials can withstand these harsh conditions, ensuring reliable performance and longevity.
• High Torque Transmission: Heavy-duty machinery often requires high torque transmission between the driving and driven components. Flexible couplings are capable of transmitting high torque efficiently, which is essential for the operation of large-scale equipment.
• Reduced Downtime: The robustness and reliability of flexible couplings in heavy-duty applications contribute to reduced downtime. By minimizing the impact of misalignment, shocks, and vibrations, flexible couplings help prevent unexpected breakdowns and maintenance issues.

When selecting a flexible coupling for heavy-duty applications, it’s important to consider the specific requirements of the machinery and the operating conditions. Factors such as the type of equipment, torque and speed requirements, environmental conditions, and expected loads should be taken into account.

Overall, flexible couplings are a versatile solution for power transmission in heavy-duty applications, providing the necessary flexibility, durability, and performance to withstand the challenges posed by the mining and construction industries.

How does a flexible coupling handle alignment issues in long-distance shaft connections?

In long-distance shaft connections, it is common to encounter alignment issues due to factors such as thermal expansion, foundation settlement, or machinery shifts. Flexible couplings play a crucial role in handling these alignment issues and ensuring efficient power transmission. Here’s how they achieve this:

• Misalignment Compensation: Flexible couplings are designed to accommodate both angular and parallel misalignments between shafts. When the shafts are not perfectly aligned, the flexibility of the coupling allows it to bend or flex, reducing the transmission of misalignment forces to connected equipment.
• Reduced Stress on Equipment: By absorbing and compensating for misalignment, flexible couplings reduce the stress and loads imposed on connected machinery. This feature is particularly important in long-distance shaft connections, where misalignment can be more pronounced.
• Torsional Flexibility: In addition to angular and parallel misalignments, long-distance shaft connections may also experience torsional misalignment. Flexible couplings can handle torsional flexibility, allowing smooth torque transmission even if the connected shafts have slightly different rotational speeds.
• Vibration Damping: Long-distance shaft connections can be susceptible to vibrations due to the extended span and potential resonance. Flexible couplings help dampen these vibrations, protecting the connected equipment from excessive wear and fatigue.
• Resilience to Shock Loads: Long-distance shaft connections in industrial settings may experience shock loads due to sudden starts, stops, or equipment malfunctions. Flexible couplings can absorb and dissipate some of these shock loads, safeguarding the connected components.
• Longevity: By mitigating the effects of misalignment, vibrations, and shock loads, flexible couplings contribute to the longevity of the connected equipment and reduce maintenance and replacement costs over time.

When selecting a flexible coupling for long-distance shaft connections, it is essential to consider factors such as the degree of misalignment, torque requirements, operating conditions, and the environment in which the coupling will be used. Regular inspection and maintenance of the flexible coupling can further enhance its performance and ensure reliable operation in long-distance shaft connections.

What industries commonly use flexible couplings for power transmission?

Flexible couplings are widely used in various industries for power transmission and motion control applications. Their ability to accommodate misalignment, dampen vibrations, and protect equipment from shock loads makes them valuable components in many industrial processes. Here are some of the industries that commonly utilize flexible couplings:

• Manufacturing: Flexible couplings are extensively used in manufacturing industries such as automotive, aerospace, electronics, and consumer goods production. They play a critical role in transmitting power between motors and various machinery, including conveyor systems, robots, and assembly lines.
• Oil and Gas: In the oil and gas industry, flexible couplings are used in pumps, compressors, turbines, and generators. They help transfer power in offshore platforms, refineries, pipelines, and drilling operations while compensating for the dynamic nature of these applications.
• Power Generation: Power plants, both conventional and renewable, rely on flexible couplings to transmit power from turbines and generators to electrical generators. They are used in coal-fired, natural gas, nuclear, hydroelectric, and wind power plants.
• Mining: In mining operations, flexible couplings are employed in various equipment, including conveyor systems, crushers, and large industrial pumps. They are designed to withstand the heavy loads and harsh conditions commonly found in mining environments.
• Marine: Flexible couplings are essential in marine propulsion systems, connecting engines to propellers or water jets. They also find use in shipboard machinery, auxiliary systems, and offshore applications.
• Pulp and Paper: The pulp and paper industry relies on flexible couplings in machinery used for wood processing, pulp production, papermaking, and printing processes.
• Chemical and Petrochemical: In chemical plants and petrochemical refineries, flexible couplings are utilized in pumps, mixers, agitators, and other rotating equipment to ensure efficient power transmission and protect sensitive machinery.
• Construction: The construction industry employs flexible couplings in various equipment, such as concrete pumps, cranes, excavators, and drilling machines.
• Water and Wastewater: Flexible couplings are used in water treatment plants, wastewater facilities, and irrigation systems to transfer power between motors and pumps.
• Agriculture: In agricultural machinery, flexible couplings are utilized in tractors, harvesters, and irrigation systems, enabling efficient power transmission and operation.

The versatility and adaptability of flexible couplings make them indispensable components in a wide range of industries, contributing to increased equipment reliability, reduced downtime, and improved overall system performance.

editor by CX 2024-01-12