replacing seals in a hydraulic cylinder

The designation 20x35x7 refers to the dimensions of the oil seal. The numbers represent the inner diameter (20 mm), outer diameter (35 mm), and the thickness (7 mm) of the seal. The design of an oil seal is critical, as it must fit precisely to ensure a proper seal and prevent the ingress of dirt, dust, or moisture. The choice of material used for these seals often includes rubber compounds that enhance flexibility and resilience. Common materials include nitrile rubber (NBR), fluorocarbon rubber (FKM), and silicone, each chosen based on the specific application and operating conditions.

Competition among manufacturers is another critical aspect. In a crowded market, companies may engage in price wars to capture market share, leading to lower prices. However, this can negatively affect product quality if manufacturers cut corners to reduce costs. Therefore, while competition can benefit consumers through lower prices, it also raises concerns regarding the reliability and longevity of cheaper oil seals.

Replacing seals in hydraulic cylinders is a straightforward process that, when done correctly, can enhance the performance and lifespan of the hydraulic system. Regular maintenance not only helps prevent costly repairs but also promotes safety and efficiency in operations. Keep an eye on the signs of wear and be proactive in maintaining your hydraulic systems to avoid unexpected downtime.

Applications

3. Increased Operating Pressure A change in the pressure gauge reading can signify a seal issue. If the pressure is fluctuating unexpectedly, it may be due to fluid bypassing the seals.