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  • Wear Ring
The function of a hydraulic wear ring is to guide the piston and piston rod of a hydraulic cylinder, absorbing transverse forces. At the same time, it prevents metal-to-metal contact, optimizing the performance of the sealing system.
Design Ref. Material Dyn. Load Temp Speed Dia.
N/mm² °C m/s mm. inch.
ABT PTFE + Bronze 15 -156 +260 15
AKT PTFE + Carbon 15 -190 +315 15  
A255 Polyester Fabric 50 -50 +120 1  
A256 Polyester Resin
Fabric
53 -40 +120 5
A251 Polyacetal 30 -30 +100 1  
APR Phenolic Resin 60 -30 +120 1.5  
F1 Polyamide - -40 +100 5  
WPB Polyamide 21 -25 +80 1  
WRB Polyamide 21 -25 +80 1