Product Description
GSTS-56×45.1 Aluminum alloy single step single diaphragm clamp type coupling
Dimensions of GSTS-56×45.1 Aluminum alloy single step single diaphragm clamp type coupling
| model parameter | common bore diameter d1 | common bore diameter d2 | D | ΦN | L | LF1 | LF | S | M | tightening screw torque (N.M) |
||
| smallest | maximum | smallest | maximum | |||||||||
| GSTS-34×29.9 | 5 | 12 | 5 | 15 | 34 | 21.6 | 29.9 | 12.15 | 14.25 | 3.5 | M3 | 1.5 |
| GSTS-39×34.5 | 6 | 15 | 6 | 19 | 39 | 25 | 34.5 | 15.15 | 14.9 | 4.5 | M4 | 2.5 |
| GSTS-44×34.5 | 6 | 18 | 6 | 22 | 44 | 29.6 | 34.5 | 15.15 | 14.9 | 4.5 | M4 | 2.5 |
| GSTS-56×45.1 | 8 | 24 | 8 | 32 | 56 | 38 | 45.1 | 19.90 | 19.75 | 5.5 | M5 | 7 |
| GSTS-68×53.6 | 10 | 30 | 10 | 38 | 68 | 46 | 53.6 | 24 | 23.35 | 6.3 | M6 | 12 |
| GSTS-82×68.1 | 16 | 38 | 16 | 45 | 82 | 56 | 68.1 | 30.15 | 30 | 8 | M8 | 20 |
| model parameter | Rated torque (N.M)* |
allowable eccentricity (mm)* |
allowable deflection angle (°)* |
allowable axial deviation (mm)* |
maximum speed rpm |
static torsional stiffness (N.M/rad) |
moment of inertia (Kg.M2) |
Material of shaft sleeve | Material of shrapnel | surface treatment | weight (g) |
| GSTS-34×29.9 | 3 | 0.02 | 1 | ±0.20 | 10000 | 2000 | 6.01×10-5 | High strength aluminum alloy | S U S 3 0 4 Spring steel | Anodizing treatment | 38 |
| GSTS-39×34.5 | 6 | 0.02 | 1 | ±0.25 | 10000 | 4500 | 1.49×10-5 | 69 | |||
| GSTS-44×34.5 | 9 | 0.02 | 1 | ±0.30 | 10000 | 5200 | 2.25×10-5 | 84 | |||
| GSTS-56×45.1 | 25 | 0.02 | 1 | ±0.40 | 10000 | 11000 | 7.23×10-5 | 184 | |||
| GSTS-68×53.6 | 60 | 0.02 | 1 | ±0.45 | 10000 | 19000 | 2.02×10-4 | 235 | |||
| GSTS-82×68.1 | 100 | 0.02 | 1 | ±0.55 | 10000 | 22000 | 5.95×10-4 | 598 |
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Can Diaphragm Couplings Operate in High-Temperature or Corrosive Environments?
Yes, diaphragm couplings can be designed and manufactured to operate in high-temperature or corrosive environments, depending on the materials used in their construction. Here’s how diaphragm couplings can handle these challenging conditions:
High-Temperature Environments:
For applications involving high temperatures, manufacturers can use heat-resistant materials for the diaphragm and other coupling components. Some common high-temperature materials include:
- Stainless Steel Alloys: Certain stainless steel alloys, such as Inconel or Hastelloy, are known for their excellent high-temperature properties. These alloys can withstand elevated temperatures without significant deformation or loss of strength.
- Titanium: Titanium is another material that offers good heat resistance. It is lightweight, strong, and can operate at elevated temperatures, making it suitable for certain high-temperature applications.
- Ceramic Coatings: In some cases, manufacturers apply ceramic coatings to the diaphragm or other components to enhance their heat resistance and protect them from thermal degradation.
By using these high-temperature materials, diaphragm couplings can maintain their performance and integrity in environments with extreme heat, such as steel mills, heat treatment furnaces, and power generation plants.
Corrosive Environments:
Diaphragm couplings can also be designed to withstand corrosive environments by using materials that resist chemical attacks. Some options for corrosive environments include:
- Corrosion-Resistant Stainless Steel: Certain stainless steel alloys, like 316L or Duplex stainless steel, offer excellent resistance to corrosion from chemicals and corrosive agents.
- Specialty Coatings: Manufacturers may apply coatings or platings to the coupling components to provide an additional layer of protection against corrosion.
- Non-Metallic Materials: In some cases, non-metallic materials like PTFE (Teflon) or polypropylene may be used for the diaphragm and other components, as they are highly resistant to chemical corrosion.
By using these corrosion-resistant materials, diaphragm couplings can be used in applications such as chemical processing, wastewater treatment, marine environments, and other situations where exposure to corrosive substances is common.
In summary, diaphragm couplings can be engineered to operate in high-temperature or corrosive environments by selecting appropriate materials that offer the necessary heat resistance and corrosion resistance. When specifying a diaphragm coupling for such applications, it is crucial to consider the specific environmental conditions to ensure the coupling’s long-term performance and reliability.
Maintenance Requirements for Diaphragm Couplings to Extend Their Lifespan
Proper maintenance is essential to extend the lifespan and ensure optimal performance of diaphragm couplings. Regular inspection and servicing can help identify potential issues early, prevent unexpected failures, and maximize the longevity of the coupling. Here are the key maintenance requirements for diaphragm couplings:
- Regular Inspections:
- Lubrication:
- Torque and Temperature Monitoring:
- Alignment Checks:
- Environmental Considerations:
- Replace Worn or Damaged Parts:
- Follow Manufacturer’s Guidelines:
- Operator Training:
Perform routine visual inspections of the diaphragm coupling to check for signs of wear, damage, or misalignment. Look for cracks, corrosion, or any visible deformation in the diaphragm and other coupling components. Regular inspections help catch potential problems early on.
Some diaphragm couplings may require periodic lubrication, depending on the design and materials used. Follow the manufacturer’s recommendations for lubrication intervals and use the appropriate lubricant to ensure smooth operation and reduce friction between moving parts.
In critical applications or where high torque is involved, consider implementing torque monitoring systems to track the torque levels during operation. Similarly, monitor the operating temperature of the coupling to ensure it stays within the acceptable range. Monitoring these parameters can help detect abnormal conditions that may lead to premature wear or failure.
Periodically check the alignment of the connected shafts to ensure they remain within the specified tolerances. Misalignment can cause additional stress on the diaphragm coupling and lead to accelerated wear. If misalignment is detected, it should be corrected promptly.
Consider the operating environment of the diaphragm coupling. In harsh or corrosive environments, take appropriate measures to protect the coupling from exposure to damaging elements. This may include using corrosion-resistant materials or applying protective coatings.
If during inspections, any parts of the diaphragm coupling are found to be worn, damaged, or beyond their recommended service life, they should be replaced promptly with genuine spare parts from the manufacturer. Using non-standard or substandard parts can compromise the performance and safety of the coupling.
Adhere to the maintenance recommendations provided by the diaphragm coupling manufacturer. They often include specific guidelines on inspection intervals, torque values, and other maintenance procedures tailored to the particular coupling model.
Ensure that operators and maintenance personnel receive proper training on the inspection and maintenance procedures of the diaphragm coupling. Trained personnel can identify potential issues and perform maintenance tasks correctly, contributing to the longevity of the coupling.
By following these maintenance requirements and performing regular upkeep, diaphragm couplings can have an extended lifespan, providing reliable and efficient power transmission for various mechanical systems.
Are There Any Industry Standards or Certifications for Diaphragm Couplings?
Yes, there are industry standards and certifications that apply to diaphragm couplings, ensuring their quality, performance, and safety. Some of the notable standards and certifications include:
- American Petroleum Institute (API) Standards: API provides standards for various equipment and components used in the oil and gas industry. For diaphragm couplings used in oil and gas applications, compliance with API standards ensures that the couplings meet specific requirements and are suitable for use in demanding environments.
- American Gear Manufacturers Association (AGMA) Standards: AGMA sets standards for various types of couplings, including diaphragm couplings. These standards cover design considerations, materials, performance, and safety factors, ensuring that couplings adhere to industry best practices.
- International Organization for Standardization (ISO) Standards: ISO has several standards relevant to couplings in general, which can also apply to diaphragm couplings. ISO standards ensure global consistency in terms of design, manufacturing, and performance criteria.
- European Conformity (CE) Marking: Diaphragm couplings intended for sale within the European Economic Area (EEA) must bear the CE marking, indicating that they comply with relevant European Union (EU) directives, including safety and environmental requirements.
- American National Standards Institute (ANSI) Standards: ANSI sets standards for various industrial equipment, including couplings. ANSI standards provide guidelines for design, materials, and performance, ensuring safe and reliable operation.
- Occupational Safety and Health Administration (OSHA) Compliance: Although not a specific certification for diaphragm couplings, compliance with OSHA regulations is essential to ensure the safety of workers who operate and maintain equipment with diaphragm couplings.
Manufacturers of diaphragm couplings often seek these certifications and comply with relevant industry standards to demonstrate the quality and reliability of their products. Customers and end-users can look for these certifications and standards compliance when selecting diaphragm couplings for their applications, as it provides assurance of the coupling’s performance and adherence to safety requirements.
editor by CX 2024-04-19