Advantages: -Good chemical resistance and abrasion resistance. -Improve the extrusion resistance of the seal, thereby increasing the service life of the seal.
| ITEM | ID | OD | H |
| P3 | 3 | 6 | 1.25 |
| P4 | 4 | 7 | 1.25 |
| P5 | 5 | 8 | 1.25 |
| P6 | 6 | 9 | 1.25 |
| P7 | 7 | 10 | 1.25 |
| P8 | 8 | 11 | 1.25 |
| P9 | 9 | 12 | 1.25 |
| P10 | 10 | 13 | 1.25 |
| P10A | 10 | 14 | 1.25 |
| P11 | 11 | 15 | 1.25 |
| P11.2 | 11.2 | 15.2 | 1.25 |
| P12 | 12 | 16 | 1.25 |
| P12.5 | 12.5 | 16.5 | 1.25 |
| P13 | 13 | 13 | 1.25 |
| P14 | 14 | 18 | 1.25 |
| P14A | 14 | 19 | 1.25 |
| P15 | 15 | 19 | 1.25 |
| P16 | 16 | 20 | 1.25 |
| P17 | 17 | 21 | 1.25 |
| P18 | 18 | 22 | 1.25 |
| P19 | 19 | 23 | 1.25 |
| P20 | 20 | 24 | 1.25 |
| P21 | 21 | 25 | 1.25 |
| P22 | 22 | 26 | 1.25 |
| P22A | 22 | 28 | 1.25 |
| P22.4 | 22.4 | 28.4 | 1.25 |
| P23 | 23 | 29 | 1.25 |
| P24 | 24 | 30 | 1.25 |
| P25 | 25 | 31 | 1.25 |
| P25.5 | 25.5 | 31.5 | 1.25 |
| P26 | 26 | 32 | 1.25 |
| P27 | 27 | 32 | 1.25 |
| P28 | 28 | 34 | 1.25 |
| P29 | 29 | 35 | 1.25 |
| P29.5 | 29.5 | 35.5 | 1.25 |
| P30 | 30 | 36 | 1.25 |
| P31 | 31 | 37 | 1.25 |
| P31.5 | 31.5 | 37.5 | 1.25 |
| P32 | 32 | 38 | 1.25 |
| P33 | 33 | 39 | 1.25 |
| P34 | 34 | 40 | 1.25 |
| P35 | 35 | 41 | 1.25 |
| P35.5 | 35.5 | 41.5 | 1.25 |
| P36 | 36 | 42 | 1.25 |
| P37 | 37 | 43 | 1.25 |
| P38 | 38 | 44 | 1.25 |
| P39 | 39 | 45 | 1.25 |
| P40 | 40 | 46 | 1.25 |
| P41 | 41 | 47 | 1.25 |
| P42 | 42 | 48 | 1.25 |
| P43 | 43 | 49 | 1.25 |
| P44 | 44 | 50 | 1.25 |
| P45 | 45 | 51 | 1.25 |
| P46 | 46 | 52 | 1.25 |
| P48 | 48 | 54 | 1.25 |
| P48A | 48 | 58 | 1.9 |
| P49 | 49 | 55 | 1.25 |
| P50 | 50 | 56 | 1.25 |
| P50A | 50 | 60 | 1.9 |
| P52 | 52 | 62 | 1.9 |
| P53 | 53 | 63 | 1.9 |
| P55 | 55 | 65 | 1.9 |
| P56 | 56 | 66 | 1.9 |
| P58 | 58 | 68 | 1.9 |
| P60 | 60 | 70 | 1.9 |
| P62 | 62 | 72 | 1.9 |
| P63 | 63 | 73 | 1.9 |
| P65 | 65 | 75 | 1.9 |
| P67 | 67 | 77 | 1.9 |
| P70 | 70 | 80 | 1.9 |
| P71 | 71 | 81 | 1.9 |
| P75 | 75 | 85 | 1.9 |
| P80 | 80 | 90 | 1.9 |
| P85 | 85 | 95 | 1.9 |
| P90 | 90 | 100 | 1.9 |
| P95 | 95 | 105 | 1.9 |
| P100 | 100 | 110 | 1.9 |
| P102 | 102 | 112 | 1.9 |
| P105 | 105 | 115 | 1.9 |
| P110 | 110 | 120 | 1.9 |
| P112 | 112 | 122 | 1.9 |
| P115 | 115 | 125 | 1.9 |
| P120 | 120 | 130 | 1.9 |
| P125 | 125 | 135 | 1.9 |
| P130 | 130 | 140 | 1.9 |
| P135 | 135 | 145 | 1.9 |
| P140 | 140 | 150 | 1.9 |
| P145 | 145 | 155 | 1.9 |
| P150 | 150 | 160 | 1.9 |
| P150A | 150 | 165 | 2.75 |
| P155 | 155 | 170 | 2.75 |
| P160 | 160 | 175 | 2.75 |
| P165 | 165 | 180 | 2.75 |
| P170 | 170 | 185 | 2.75 |
| P170 | 175 | 190 | 2.75 |
| P180 | 180 | 195 | 2.75 |
| P185 | 185 | 200 | 2.75 |
| P190 | 190 | 205 | 2.75 |
| P195 | 195 | 210 | 2.75 |
| P200 | 200 | 215 | 2.75 |
| P205 | 205 | 220 | 2.75 |
| P209 | 209 | 224 | 2.75 |
| P210 | 210 | 225 | 2.75 |
| P215 | 215 | 230 | 2.75 |
| P220 | 220 | 235 | 2.75 |
| P225 | 225 | 240 | 2.75 |
| P230 | 230 | 245 | 2.75 |
| P235 | 235 | 250 | 2.75 |
| P240 | 240 | 255 | 2.75 |
| P245 | 245 | 260 | 2.75 |
| P250 | 250 | 265 | 2.75 |
| P255 | 255 | 270 | 2.75 |
| P260 | 260 | 275 | 2.75 |
| P265 | 265 | 280 | 2.75 |
| P270 | 270 | 285 | 2.75 |
| P275 | 275 | 290 | 2.75 |
| P280 | 280 | 295 | 2.75 |
| P285 | 285 | 300 | 2.75 |
| P290 | 290 | 305 | 2.75 |
| P295 | 295 | 310 | 2.75 |
| P300 | 300 | 315 | 2.75 |
| P315 | 315 | 330 | 2.75 |
| P320 | 320 | 335 | 2.75 |