The PS 8-1 is a multi-spring pusher seal designed to perform in industrial and severe chemical applications. These seals feature a set screw to ensure a positive drive between the seal and shaft. The seal rings and seats are available in a variety of styles and sizes. Both the PS8-1 and PS9 are available in narrow cross-section designs. Additionally, seals (8-1B & 9B) are available in balanced and double configurations, offering flexibility and enhanced performance in various operating conditions.