door hanging ironing board cover_bistro table cover

2. Seal Design Oil seals come in various designs, such as lip seals, O-rings, and composite seals. The complexity of the design can impact production costs and, subsequently, the price. For example, a multi-lip seal may offer better sealing capabilities than a simple O-ring, but it will also require more intricate manufacturing processes, leading to higher prices.

3. Flat Seals These seals provide a surface-to-surface seal and are often used in flanged connections. They are designed to withstand high pressures and varying temperatures.