Back up ring AP 71,12x2,62

Back up ring AP 71,12x2,62 (anti-extrusion ring) protects O-rings in hydraulic and pneumatic applications: it keeps the O-ring from being pressed into the sealing gap at high pressure. Design: a plain ring of rectangular section matched to the O-ring size, fitted in the groove together with the O-ring. Used singly or as a pair, one on each side of the O-ring. Technical data: Inner diameter (d1): 71.12 mm Cross-section: 2.62 mm In inches: 2.80" x 0.103" Material: thermoplastic polyester resin (SEALITE 55) Hardness: 55 ShD