Wear Rings and Guide bands / strips (PTFE, Phenolic)
Wear Rings and Guide bands / strips (PTFE, Phenolic)
The function of the wear ring and guide bands is to help keep the piston centered, which allows for even wear and pressure distribution on the seals. Popular wear ring materials include glass filled nylon, bronze reinforced PTFE, and phenolic. Wear rings are used in both piston and rod applications. Wear rings are available in butt cut, angle cut, and step cutstyles.