Hebei Hankai single lip oil seal
The design must be such that it balances the need for a tight seal with the amount of friction generated during operation. Excessive friction can lead to wear and heat buildup, while insufficient sealing can allow fluid leakage. Therefore, engineers carefully select materials and dimensions to ensure optimal performance.
rotary lip seal

Dutch ovens come in various types, including traditional cast iron, enameled cast iron, and aluminum. Traditional cast iron Dutch ovens are seasoned and require regular maintenance to prevent rust and maintain their non-stick properties. Enameled cast iron Dutch ovens have a porcelain enamel coating, offering easy maintenance and a variety of color options. Aluminum Dutch ovens are lightweight and excellent conductors of heat, making them suitable for outdoor cooking.