Linde Polymer Tec Co.,Ltd. is one of the most experienced manufacturers and suppliers of pneumatic dust seal in China, also supports customized service. Please feel free to buy high quality pneumatic dust seal for sale here from our factory.
Pneumatic Dust Seal
| Hardness | 75±2Shore A |
| Temperature | -20 ~ +200℃ |
| Medium | compressed air |
| Accreditation | ISO 9001;IATF 16949;SAE J2643;ASTM D2000 |
Introduction
Pneumatic dust seals are special seals designed to protect pneumatic components, such as cylinders, valves, pipelines, etc., from dust, particles, moisture, and other contaminants.
Its seals are usually made of highly elastic, wear-resistant and corrosion-resistant synthetic rubber to meet various working environments and media requirements.
Especially large machinery working in harsh environments requires a large number of dust-proof seals for pneumatic systems to prevent sediment intrusion and protect the machinery.
Understanding Pneumatic Dust Seal
For an effective wiper ring, the contact force of its lip relative to the piston rod must be large enough. Elastic materials with relatively high hardness are most likely to achieve this effect. Its properties also include high modulus, excellent wear resistance, and low compression. This material can be used in most applications ranging from -40 to 100°C.
Unreinforced single-action wipers designed for use in closed installation trenches are unlikely to provide an effective seal in the trench. Only the contact between the sealing lip and the piston rod provides the sealing force between the wiper ring and the cylindrical surface. When the temperature decreases, the entire dust ring shrinks, and the risk of leakage between its outer diameter and the groove will appear.
When using pneumatic dust seals, you need to pay attention to the following points:
■ Select appropriate types and specifications of seals according to different application scenarios and requirements.
■ Install and use seals correctly to ensure their normal operation and service life.
■ Regularly inspect and replace seals to ensure good sealing performance.
■ Pay attention to keeping the seal and its surrounding environment clean and dry to avoid the impact of contamination and moisture on the seal.
It is usually made of rubber materials with good elasticity and is assisted by external forces such as springs. Its sealing mechanism is the same as that of lip seals. It is installed in the sealing groove. The interference caused by design requirements manufacturing errors, etc. Forcing the dust ring to deform, the dust seal lip is always close to the sealing surface, and an appropriate initial contact stress is generated to prevent external impurities from intruding into the pneumatic system.
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