Model d d1 D L L1 L2 551-8 8 16 17.1 20.5 5.5 15 551-10 10 20 18.1 20.5 5.5 15 551-11 11 20 20.6 23.5 5.5 18 551-12 12 22 20.6 23.5 5.5 18 551-13 13 22 23.1 28 6 22 551-14 14 24 23.1 28 6 22 551-15 15 24 26.9 29 7 22 551-16 16 26 26.9 30 7 23 551-17 17 26 26.9 30 7 23 551-18 18 32 30.9 32 8 24 551-19 19 32 30.9 33 8 25 551-20 20 34 30.9 33 8 25 551-22 22 36 35.4 33 8 25 551-23 23 36 35.4 35 8 27 551-24 24 38 35.4 35 8 27 551-25 25 39 38.2 35.5 8.5 27 551-26 26 39 38.2 35.5 8.5 27 551-28 28 42 43.3 38 9 29 551-30 30 44 43.3 39 9 30 551-32 32 46 43.3 39 9 30 551-33 33 47 53.5 50.5 11.5 39 551-34 34 48 53.5 50.5 11.5 39 551-35 35 49 53.5 50.5 11.5 39 551-36 36 50 53.5 50.5 11.5 39 551-38 38 54 60.5 50.5 11.5 39 551-40 40 56 60.5 50.5 11.5 39

Standard  Materials     Stationary Ring   (Carbon / SIC / TC)     Rotary Ring (SUS304 / SUS316 / SIC / TC)     Secondary Seal (NBR /EPDM / VITON / PTFE)     Spring & Other Parts (S.S / SUS304 / SUS316)   Operating  Conditions     Max.  Pressure                   :     10     kg/cm2      Temperature  Range       :     -30    to 205 oC *      Max. Rubbing Speed          :     10     m/sec     * ( Depand  on  combination  of  materials )   Design  Features       Unbalanced       Conical  coil spring       Shrink-fitted seal faces can be easily replaced           with other materials