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KASTAS防尘圈K11是单作用防尘圈，确保不会将异物引入液压缸，避免磨损和损坏包括密封在内的所有内部组件。卓越的刮擦效果，简单，易于构造的凹槽，外壳无扭曲，设计擦拭唇与杆表面接触，以去除沉积的泥浆，冰等，使颗粒不会进入圆筒，外径与外壳接触，并有一个密封唇，以防止水分进入凹槽。特别适用于在露天场地，伸缩式气缸，起重机，采矿设备和装载平台中运行的重型建筑机械。
| 订货号 | d (f8)*D(H11)*S1(-0/+0.2)*b | ØD1(H11) | S2 | Rmax. |
| K11-020 | 20*28*5/8 | 25.5 | 8 | 0.2 |
| K11-025 | 25*33*5/8 | 30.5 | 8 | 0.2 |
| K11-028 | 28*36*5/8 | 33.5 | 8 | 0.2 |
| K11-030 | 30*38*5/8 | 35.5 | 8 | 0.2 |
| K11-032 | 32*40*5/8 | 37.5 | 8 | 0.2 |
| K11-035 | 35*43*5/8 | 40.5 | 8 | 0.2 |
| K11-038 | 38.1*47.62*4.76/7.15 | 44.45 | 7.15 | 0.2 |
| K11-040 | 40*48*5/8 | 45.5 | 8 | 0.2 |
| K11-044 | 44.45*53.97*4.76/7.15 | 50.67 | 7.15 | 0.2 |
| K11-045 | 45*55.6*5.3/7 | 48 | 7 | 0.2 |
| K11-045/1 | 45*53*5/8 | 50.5 | 8 | 0.2 |
| K11-048 | 48*60*5/10 | 55 | 10 | 0.2 |
| K11-050 | 50*60.6*5.3/7 | 53 | 7 | 0.2 |
| K11-050/1 | 50*58.6*5.3/9 | 53 | 7 | 0.2 |
| K11-050/2 | 50*58*5/8 | 55.5 | 8 | 0.2 |
| K11-055 | 55*65.6*5.3/7 | 58 | 7 | 0.4 |
| K11-056 | 56*66*6/9 | 62 | 9 | 0.4 |
| K11-060 | 60*70*6/9 | 66 | 9 | 0.4 |
| K11-060/1 | 60*70.7*5.3/9 | 65.2 | 9 | 0.4 |
| K11-060/3 | 60*70*5.3/7 | 66 | 7 | 0.4 |
| K11-060/4 | 60*70*6.3/10 | 67 | 10 | 0.4 |
| K11-063 | 63*73.6*5/7 | 66 | 7 | 0.4 |
| K11-063/1 | 63.5*76.12*6.35/9.52 | 70.2 | 9.52 | 0.4 |
| K11-063/2 | 63*73*6.3/10 | 70 | 10 | 0.4 |
| K11-065 | 65*75*6.3/10 | 72 | 10 | 0.4 |
| K11-070 | 70*80*6/9 | 76 | 9 | 0.4 |
| K11-070/1 | 70*80.6*5.3/7 | 73 | 7 | 0.4 |
| K11-070/3 | 70*82.2*7.2/12 | 76 | 12 | 0.3 |
| K11-075 | 75*87.2*7.2/12 | 81 | 12 | 0.4 |
| K11-080 | 80*90*6/9 | 86 | 9 | 0.4 |
| K11-080/1 | 80*92.2*7.2/12 | 86 | 12 | 0.4 |
| K11-080/2 | 80*90*6.3/10 | 87 | 10 | 0.4 |
| K11-085 | 85*98*7.5/11.5 | 92 | 11.5 | 0.4 |
| K11-090 | 90*100*6/9 | 96 | 9 | 0.6 |
| K11-090/1 | 90*102.2*7.2/12 | 96 | 12 | 0.6 |
| K11-095 | 95*107.2*7.2/12 | 101 | 12 | 0.6 |
| K11-100 | 100*112.2*7.2/12 | 106 | 12 | 0.6 |
| K11-100/1 | 100*115*9.5/14 | 110 | 14 | 0.6 |
| K11-105 | 105*120*7/12 | 112 | 12 | 0.6 |
| K11-110 | 110*125*9.5/14 | 120 | 14 | 0.6 |
| K11-110/1 | 110*122.2*7.2/12 | 116 | 12 | 0.6 |
| K11-114 | 114.3*133.35*9.52/14.27 | 123.45 | 14.27 | 0.6 |
| K11-115 | 115*127.2*7.2/12 | 121 | 12 | 0.6 |
| K11-120 | 120*132.2*7.2/12 | 126 | 12 | 0.6 |
| K11-125 | 125*140*9.5/14 | 135 | 14 | 0.6 |
| K11-125/1 | 125*140*10/16 | 135 | 16 | 0.6 |
| K11-135 | 135*150*9.5/14 | 144.3 | 14 | 0.6 |
| K11-140 | 140*155*9.5/14 | 150 | 14 | 0.6 |
| K11-140/1 | 140*155*10.2/16 | 147.5 | 16 | 0.6 |
| K11-145 | 145*153.6*5.3/7 | 148.4 | 7 | 0.4 |
| K11-150 | 150*165*10.2/12 | 158.6 | 12 | 0.6 |
| K11-150/1 | 150*166*7.8/12 | 161 | 12 | 0.6 |
| K11-160 | 160*175*10.2/16 | 167 | 16 | 0.6 |
| K11-160/1 | 160*172.2*7.7/12 | 166 | 12 | 0.6 |
| K11-180 | 180*200*10.2/18 | 190 | 18 | 0.6 |
| K11-185 | 185*205*10.2/18 | 195 | 18 | 0.8 |
| K11-190 | 190*205*9.5/14 | 200 | 14 | 0.6 |
| K11-195 | 195*210*10.2/16 | 202.5 | 16 | 0.6 |
| K11-200 | 200*220*10.2/18 | 210 | 18 | 0.8 |
| K11-210 | 210*230*10.2/18 | 220 | 18 | 0.8 |
| K11-215 | 215*237*9.8/18 | 225.4 | 18 | 0.8 |
| K11-220 | 220*240*12.5/18 | 230 | 18 | 0.8 |
| K11-230 | 230*250*10.2/18 | 240 | 18 | 0.8 |
| K11-240 | 240*260*10.2/18 | 250 | 18 | 0.8 |
| K11-245 | 245*265*12.5/18 | 258.5 | 18 | 0.8 |
| K11-260 | 260*280*10.2/18 | 270.5 | 18 | 0.8 |
| K11-280 | 280*300*10.2/15 | 290 | 15 | 0.8 |
| K11-285 | 285*305*12.5/18 | 298.5 | 18 | 0.8 |
| K11-290 | 290*310*10.2/18 | 300 | 18 | 0.8 |
| K11-320 | 320*340*10.2/18 | 330 | 18 | 0.8 |
| K11-400 | 400*420*10/18 | 410 | 18 | 0.8 |
| K11-450 | 450*470*10.2/18 | 460 | 18 | 0.8 |