Back up ring AM 65x70x1,3

Back up ring AM 65x70x1,3 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): 65 mm (2.56") Outer diameter (D): 70 mm (2.76") Height (h): 1.3 mm (0.051") Matching O-ring: 64.5 x 3 mm Material: TPE (thermoplastic polyester resin) Hardness: 55 ShD Speed: up to 0.8 m/s