Hebei Hankai wiper ring

The nomenclature 30x42x7 describes the oil seal's three critical dimensions the inner diameter (ID), outer diameter (OD), and width (W). Specifically, this oil seal features an inner diameter of 30 mm, an outer diameter of 42 mm, and a width of 7 mm. These measurements indicate that it is designed to fit into a specific space within a machine, preventing the leakage of fluids, particularly oil, from critical components like shafts and housings.

Components of a Boom Cylinder Seal Kit

2. Contaminant Prevention Oil seals serve as a barrier against external contaminants. By preventing the ingress of dirt, water, and other particles, they help maintain the integrity of the lubricant and the machinery's internal environment. This protection ensures that lubricants can function effectively, reducing wear and tear on moving parts.

The price of hydraulic cylinder oil seals varies widely based on materials, design, size, manufacturer, and order quantity. While it might be tempting to opt for the cheapest option available, this approach can lead to increased maintenance costs and system failures due to inadequate sealing capabilities. It’s crucial for businesses and individuals to assess their specific requirements and consider long-term value when selecting hydraulic cylinder oil seals. Investing in quality seals can enhance operational efficiency, reduce downtime, and ultimately save money over the life of the equipment.

Oil seals are typically made of rubber or synthetic materials that are resistant to oil, heat, and pressure. They are designed to withstand the harsh conditions within an engine or machinery, such as high temperatures and varying levels of pressure. The seal is usually placed in a housing or a groove in order to effectively seal the gap between two moving parts.