The SIMRIZ SZ481 seal is designed for optimal performance with an inner diameter of 8-1/4" and an outer diameter of 8-1/2", featuring a thickness of 1/8". Manufactured by Freudenberg-NOK, this product meets AS568-267 standards, ensuring it is suitable for a variety of industrial applications. The SIMRIZ material is known for its excellent resistance to chemicals and high temperatures, making it ideal for harsh operating conditions. Its precise dimensions ensure a tight fit, effectively preventing leaks and enhancing system efficiency.