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Polyurethane (PU) Seals

Polyurethane (PU) seals are essential components used in hydraulic and pneumatic systems to prevent the leakage of fluids, maintain pressure, and ensure the smooth functioning of equipment. They are known for their durability, flexibility, and resistance to wear and tear.

Description

Key Features:

Material: Made from high-quality polyurethane, offering excellent abrasion resistance, load-bearing capacity, and durability.
Design: Available in various shapes and sizes to meet specific application needs.
Durability: Resistant to wear, chemicals, and extreme temperatures, ensuring long-lasting performance.

Types of PU Seals:

U-Cup Seals: Feature a U-shaped profile with an outside static sealing lip and an inside dynamic sealing lip. Commonly used in hydraulic applications.
Rod Seals: Designed to prevent leakage along the rod in hydraulic cylinders.
Piston Seals: Used to prevent leakage between the piston and the cylinder bore.
Wiper Seals: Prevent contaminants from entering the hydraulic system.

Applications:

Hydraulic Systems: Used in hydraulic cylinders to maintain pressure and prevent fluid leakage.
Pneumatic Systems: Essential for sealing components in pneumatic equipment.
Industrial Machinery: Provides reliable sealing in various industrial applications.

Benefits:

Leak Prevention: Ensures a tight seal to prevent fluid or gas leaks.
Chemical Resistance: Suitable for use with a wide range of chemicals and fluids.
Temperature Tolerance: Can withstand extreme temperatures, making them ideal for various applications.

Specifications:

Temperature Range: Varies by material, e.g., standard polyurethane (-20°F to +180°F).
Pressure Rating: Suitable for high-pressure applications, depending on the design and material.
Hardness: Measured in Shore A, typically ranging from 40 to 95