Back up ring AM 115x125x1,7

Back up ring AM 115x125x1,7 protects O-rings against extrusion at high pressure or with large installation clearances. Made of a flexible thermoplastic polyester resin (TPE), it fits quickly without tools and resists abrasion and tearing. For hydraulic and pneumatic applications. Installation: Pressure from one side: 1 back up ring, on the side away from the pressure Pressure from both sides: 2 back up rings, one on each side of the O-ring Technical data: Inner diameter (d): 115 mm (4.53") Outer diameter (D): 125 mm (4.92") Height (h): 1.7 mm (0.067") Material: TPE (thermoplastic polyester resin) Hardness: 55 ShD Speed: up to 0.8 m/s