WR stands for Wear Ring.

It is a type of hydraulic seal that is designed to protect the inner surface of a hydraulic cylinder from wear and tear. WR seals are typically made of a durable material, such as phenolic resin or polyurethane.

WR seal

WR seals are typically used in hydraulic cylinders that are subjected to high pressures, temperatures, and speeds. They are also used in applications where the cylinder is exposed to dirt, dust, and other contaminants.

Here are some of the technical specifications of WR hydraulic seals:

• Material: Phenolic resin or polyurethane
• Temperature range: -40°C to +100°C (-40°F to +212°F)
• Pressure range: 0 to 50 MPa (0 to 7250 psi)
• Speed: Up to 15 m/s (49 ft/s)

WR seals are used in a variety of construction machinery applications, including:

• Excavators
• Bulldozers
• Backhoes
• Wheel loaders
• Skid steer loaders
• Cranes
• Concrete mixers
• Asphalt pavers

WR seals offer the following benefits:

• Excellent wear protection for the inner surface of hydraulic cylinders
• Resistant to high pressures, temperatures, and speeds
• Suitable for use in a wide range of hydraulic applications
• Long service life

Benefits of using WR seals in construction machinery:

• Reduced maintenance and repair costs
• Increased uptime and productivity
• Improved safety and reliability

Conclusion:

WR hydraulic seals are a critical component of many construction machinery applications. They play a vital role in protecting hydraulic cylinders from wear and tear, extending the life of the equipment, and improving its overall performance.