VAY stands for Vulcanized Rubber Wiper Seal. It is a type of hydraulic seal that is designed to protect hydraulic components from dirt, dust, and other contaminants. VAY seals are typically made of nitrile rubber, which is a durable and oil-resistant material.

VAY seals are typically used in hydraulic cylinders and other hydraulic components that are exposed to the environment. They are also used in applications where the seal is subjected to high pressures and temperatures.

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

• Material: Nitrile rubber
• 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)

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

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

VAY seals offer the following benefits:

• Excellent dust and dirt sealing performance
• Resistant to wear and tear
• Suitable for use in a wide range of hydraulic applications
• Long service life
• Can withstand high pressures and temperatures

VAY hydraulic seals are a reliable and cost-effective way to protect hydraulic systems in construction machinery from contamination. They are especially well-suited for applications where the seal is subjected to harsh operating conditions.