Description of Flow Control Valve Seals
Key advantages
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Highly accurate dimensions and geometry: Flow control valve seals often require precise dimensions and geometry to ensure a good fit with the rest of the valve. Since flow control valves are often used for precise flow regulation, the size and shape of the seal are critical to the valve's performance and control accuracy.
- Withstand high-temperature and high-pressure environments: In some applications, flow control valves may be exposed to high-temperature and high-pressure working environments, such as the chemical, petroleum, and energy industries. Therefore, flow control valve sealing rings have excellent resistance and can maintain their sealing performance under extreme temperature and pressure conditions.
- Corrosion Resistance: Many fluids or gases are corrosive and can cause damage to valves and seals. The flow control valve sealing ring is usually made of corrosion-resistant materials to resist erosion by corrosive media and extend the service life of the seal.
- Good sealing performance: The flow control valve seal must be able to provide excellent sealing performance to ensure that the valve does not leak when it is closed. This is very important for the accuracy of flow control and the security of the system.
- Low friction and low air leakage: Flow control valve sealing rings often need to have low friction and low air leakage characteristics. Low friction can reduce the operating force of the valve and improve control accuracy, while low leakage ensures that there will be no accidental leakage of fluid or gas in the system.
| Characteristics ■ Colour: Black ■ Temp. resistance low: -17°C ■ Temp. resistance high: 200 °C ■ Hardness tolerance: -5/+5 |
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| Physical Properties Refers | ||
| Property | Value | Unit |
| Hardness Shore A-Slab | 75.0 | |
| specific grabity | 1,88 | |
| tensile strength | 13,5 | Mpa |
| ultimate elongation | 154,3 | % |
| compress set 70h/150 °C |
13,8 | % |
| compression set 24h/204 °C |
20.0 | % |
| compression set 36h/200 °C |
31.0 | |
| Hardness -Test standard | ASTM D2240 | |
| Elongation at break | 215 | % |
| Elongation at break -Test standard | ASTM D412 | |
| Tensile strength | 15.60 | MPa |
| Tensile strength-Test standard | ASTM D412 | |
| 100%Modulus | 6.68 | MPa |
| Can Customized Flow Control Valve Seals (Materials /shore/color) | ||
Common application scenes
1. Industrial process control: Flow Control Valve Seal Rings are widely used in industrial process control to control and regulate the flow of liquid or gas. They can find applications in industrial areas such as chemical plants, petroleum refineries, pharmaceutical plants, etc. These seals ensure that the valve can accurately control the flow of fluid and prevent leaks.
2. Hydraulic and pneumatic systems: Flow Control Valve Seals are used in hydraulic and pneumatic systems to control the flow and pressure of fluids. They can be used in hydraulic and pneumatic valves in construction machinery, automobiles, aerospace and other fields. The purpose of these seals is to ensure the correct flow of fluids through the system and to prevent leaks and failures.
3. Water treatment and water supply system: Flow Control Valve Seal plays an important role in water treatment and water supply system. They are used to control water flow in water supply pipes, water treatment equipment and irrigation systems. These seals ensure that water flow is accurately controlled and distributed in the system to meet different needs.
4. Heating and refrigeration systems: Flow Control Valve Sealing rings are used in heating and refrigeration systems to control the flow and temperature of thermal media (such as steam or hot water). They can be used in boilers, HVAC systems, refrigeration equipment, and more. The purpose of these seals is to ensure that the thermal medium can flow and regulate properly to achieve the desired heating or cooling effect.
5. Laboratory and scientific research equipment: Flow Control Valve Seals are widely used in laboratories and scientific research equipment to control the flow of chemical reagents or other fluids. These equipment may include reactors, separation equipment, laboratory equipment, etc. Seals ensure precise control and regulation of fluids during experiments.
Installation and maintenance
Proper installation and regular maintenance of Flow Control Valve Seals is critical to their performance and longevity. Here are some suggestions for installing and maintaining these seals:
Installation:
Pretreatment: Before installation, ensure that the working environment of the valve and seal is clean and free of any impurities that may cause leakage or damage.
Seal selection: Select the appropriate seal that is compatible with the fluid medium and working conditions. Taking into account factors such as temperature, pressure, chemical properties, etc., select seals with good durability and sealing performance.
Proper installation: Follow manufacturer's installation guidelines. Make sure the seal is properly installed on the valve or valve seat and follows correct tightening torque specifications.
Tightness test: After installation is complete, perform a tightness test to ensure the valve seals are working properly. This can be verified using methods such as pressure testing or leak testing.
Maintenance:
Regular Inspections: Regularly check the condition of valves and seals for leaks, damage or wear. Identify problems promptly and take repair or replacement measures.
Cleaning and Maintenance: Keep seals clean and ensure there is no accumulation of impurities around the valve. Use appropriate cleaners and tools for cleaning, and avoid using solvents or chemicals that can damage seals.
Lubrication: Lubricate areas requiring lubrication according to manufacturer's recommendations. Use appropriate lubricants and avoid substances that are incompatible with the seal.
Replacement: Replace the seal in time according to the service life or serious damage. Conduct a regular maintenance schedule to ensure valve and seal reliability and performance.
Please note that specific installation and maintenance procedures may vary with different valve types and seals. Before proceeding with installation and maintenance, it is recommended to refer to the detailed guidelines and instructions provided by the manufacturer.
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