Linde Polymer Tec Co.,Ltd. is one of the most experienced manufacturers and suppliers of fkm rotary shaft seals in China, also supports customized service. Please feel free to buy high quality fkm rotary shaft seals for sale here from our factory.
Description of FKM Rotary Shaft Seals
Characteristics
- High sealing safety: FKM rotary shaft seals have a high-pumping spiral design, which improves sealing safety.
- Effective Dirt Exclusion: Designed with a variety of outside diameters to help optimal fit and maintain a seal while expelling dirt.
- Material Customization: Custom blends of materials are available to suit specific working conditions and media.
- Improved reliability: FKM shaft seals help overcome shaft imperfections, extend service life, and simplify installation and maintenance.
- Excellent fluid and high-temperature resistance: FKM materials have excellent resistance to mineral oils and greases and are capable of operating over a wide temperature range (-40°C to 225°C).
- Low gas permeability: FKM materials have low gas permeability, so they have little interference with gaseous media.
- Chemical Resistance: FKM has excellent resistance to chemical media, aqueous fluids, and fuels and will not undergo chemical or physical degradation even when exposed to mineral oils and fats.
- Aging and ozone resistance: FKM has good aging and ozone resistance, low gas permeability, and is suitable for chemically aggressive media (such as acids, alkaline solutions, etc.).
- High cycle speed applicability: FKM materials are suitable for high cycle speed application environments.
Common application scenarios
Industrial Equipment: FKM shaft seals can be used on a variety of industrial equipment such as pumps, compressors, mixers, and centrifuges. These seals prevent liquid or gas leakage, protect the proper operation of equipment, and prevent external impurities from entering the system.
Automotive Industry: FKM Rotary Shaft Seals play an important role in the automotive manufacturing industry. They are commonly used in sealing applications for components such as engines, drivetrains, hydraulic systems, and braking systems. These seals can withstand the effects of heat and chemicals, ensuring vehicle performance and reliability.
Aerospace industry: FKM Shaft Seals are used in a wide range of applications in the aerospace industry. They are used to seal critical components such as aircraft engines, hydraulic systems, fuel systems, and lubrication systems. Due to their high temperature and chemical resistance, they provide reliable sealing in harsh aerospace environments.
Chemical Industry: Rotary Shaft Seals play an important role in the chemical industry. They are used in sealing applications in equipment such as chemical equipment, storage tanks, piping systems, and reactors. These seals are resistant to a wide range of corrosive media and high-temperature conditions, ensuring the safety and efficiency of chemical processes.
Food and pharmaceutical industry: FKM Rotary Shaft Seal is also widely used in the food and pharmaceutical industry. They are used in sealing applications on food processing equipment, pharmaceutical manufacturing equipment, and delivery systems. These seals meet hygiene standards and prevent impurities from entering the product, ensuring product quality and safety.

Physical property information
| Physical Properties | Rating (Metric) | Rating (Imperial) | Test Method |
| Specific gravity | 1.82 g/cc | 1.82 g/cc | ASTM D297 |
| Mechanical Properties | Ratings (Metric) | Ratings (Imperial) | Test Methods |
| Hardness (Shore A) | 90 | 90 | ASTM D2240 |
| Tensile strength (breaking) | 14.1 MPa | 2050 psi | ASTM D1414 |
| Tensile Strength (Yield) | 4.14 MPa | 600 psi | @50% Elongation; ASTM D1414 |
| Elongation (at break) | 182 % | 182 % | ASTM D1414 |
| Permanent compression | 20 % | 20 % | 70 hours @ 400°F (204°C) @ 25% deflection; ASTM D395 |
| Thermal Performance | Rating (Metric) | Rating (Imperial) | Test Method |
| Maximum operating temperature, Air | 200 °C | 392 °F | |
| Minimum operating temperature, Air | -30.0 °C | -22.0 °F |
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