SPN type

The SPN type shaft seal is a bidirectional piston rod seal composed of PTFE bronze composite or high hardness polyurethane piston rod sealing ring and E-ring.

The SPN type seal is especially suitable for controlling cylinder servo systems, machine tools, fast response cylinders and two-way piston rod cylinders in construction equipment.

Main advantages
● Suitable for one-piece oil cylinder.
● Small installation dimensions.
● Small starting and movement friction, even at low speed can also ensure smooth movement, no crawling phenomenon
● Wear resistant.
● Crush resistance.
● High temperature resistant materials are optional.
● Because the seal ring has high resistance to chemical media, corrosion characteristics, and can choose different materials of E-rings and seal rings, SPN type seal can be applied to almost all media.
Due to the special type of sealing structure has a good oil film oil return characteristics.
● Products with a diameter of 2000mm are available.