Hebei Hankai oil seal

One common type of oil seal is the lip seal, which features a flexible lip that makes contact with the rotating shaft to create a tight seal. Lip seals are often used in automotive engines, gearboxes, and industrial pumps due to their effectiveness in preventing oil leaks. Another popular option is the mechanical seal, which uses a rotating element to maintain constant contact with the shaft, ensuring a reliable seal even at high speeds and pressures.
20 30 7 oil seal

2. Durability They are designed to endure extreme conditions, including high temperatures and corrosive chemicals. The materials used in high pressure rotary shaft seals are often resistant to wear, ensuring a long operational life and reducing the need for frequent replacements.
high pressure rotary shaft seal

Another essential part of the drum brake system is the wheel cylinder. Located at the top of the brake assembly, it houses pistons that are activated when hydraulic pressure from the brake fluid is applied. The wheel cylinder pushes the brake shoes outward, creating friction against the drum. This hydraulic mechanism allows for smooth and powerful braking with minimal effort from the driver.
components of a drum brake
