The FAAC 7091015 Piston Rod Packing is a precision sealing component designed for FAAC 400 hydraulic gate operators. It provides a critical sealing function between the piston rod and the hydraulic cylinder, ensuring consistent pressure retention and preventing hydraulic fluid leakage during operation. Manufactured from high-performance elastomer materials, this packing is engineered to withstand continuous pressure, friction, temperature variations, and exposure to hydraulic oils. Its robust construction ensures long service life and reliable performance in demanding automatic gate applications. As a genuine FAAC replacement part, it is essential for maintaining the efficiency, safety, and durability of FAAC 400 hydraulic systems.