Excavator Cylinder Seals Buffer Ring HBY-SRBDesign description:Excavator Cylinder Piston Rod Seals The SRB piston rod buffer seal is designed for use with piston rodseals. Such as the SRU, SRUV, highfrequency pressure can be put in the system of primary seal damage. Excavator cylinder oil seals SRB is an excellent cush ion seal for heavy duty applications that effectively increases the life of the sealing system.Hydraulic cylinder seal SRB adopts high performance polyurethane U0 sprseals, excellent resistance to high tempera ture performance.This design also comes with a TPE extrusion ring,Provides maximum resistance to extrusion under impact pressure, while TPE has suficient toughness and longterm storage without distortion. Piston rod seal HBY Excavator Cylinder Seals Buffer Ring SPR (Seifer) Buffer HBY Specifications Specifications Specifications d h9 D H9 T l +0.2 d h9 D H9 T l +0.2 d h9 D H9 T l …