Sae code 61 o ring groove dimensions SAE Flange are designed to conform to Oring groove, bolt holes and bolt pattern dimensions of either Code 61 of SAE J518 and ISO (Code 61) a Annular (circumferential) tool marks up to a surface roughness value of ISO 1302MRR Ramax 3,2 are acceptable Scratches with a width greater thanTable 50 Type R ring gaskets (see Annex B for US Customary units) a) Octagonal b) Oval c) Groove Dimensions in rnillimetres Ring number R H 23 R 24 R 26 li 27 K 31 R 35 R 37 R 39 R 41 R 44 R 45 R 46 R 47 K 19 R 50 R 53 R 54 R 57 Pitch diameter of ring (groove) P 0,18 (* 013) 68,28 55 95,25 107,95 149,23ORing groove and dimensions may be calculated as follows (please refer to chart above) Given Example Given Example Rod Diameter C = 500 Cylinder Bore A = 1000 Oring Cross Section W = 3/32″ nominal Oring Cross Section W = 1/8″ nominal Dynamic Application Static application No backups required No backups required Determine Determine Oring size = AS568
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