型号规格/尺寸 | d | d1 | D | D1 | L | L1 | L2 | L3 | L4 |
202-20 | 20 | 38 | 35 | 29 | 74.0 | 61.0 | 19 | 5.5 | 7.5 |
202-25 | 25 | 43 | 40 | 34 | 75.0 | 62.0 | 19 | 5.5 | 7.5 |
202-30 | 30 | 48 | 45 | 39 | 75.0 | 62.0 | 19 | 5.5 | 7.5 |
202-35 | 35 | 53 | 50 | 44 | 75.0 | 62.0 | 20 | 5.5 | 7.5 |
202-40 | 40 | 61 | 58 | 51 | 83.0 | 70.0 | 20 | 5.5 | 9.0 |
202-45 | 45 | 66 | 63 | 56 | 83.0 | 70.0 | 20 | 5.5 | 9.0 |
202-50 | 50 | 73 | 70 | 62 | 89.0 | 74.0 | 22 | 6.5 | 9.5 |
202-55 | 55 | 78 | 75 | 67 | 89.0 | 74.0 | 22 | 6.5 | 11.0 |
202-60 | 60 | 83 | 80 | 72 | 101.0 | 86.0 | 22 | 6.5 | 11.5 |
202-65 | 65 | 88 | 85 | 77 | 101.0 | 86.0 | 23 | 6.5 | 11.5 |
202-70 | 70 | 95 | 92 | 83 | 107.0 | 92.0 | 25 | 6.5 | 11.5 |
202-75 | 75 | 100 | 97 | 88 | 107.0 | 92.0 | 25 | 6.5 | 11.5 |
202-80 | 80 | 108 | 105 | 95 | 107.5 | 92.5 | 25 | 6.5 | 12.0 |
1、静环垫 2、静环○型号 3、静环 4、动环 5、挡圈 6、动环座
7、弹簧 8、固定座 9、动环○型号
U202型密封为102型改型产品,多弹簧,双端面,非平衡型结构。仅使用一组弹簧，结构紧凑，安装简单，适用于传送易结晶，含颗粒或纤维具有腐蚀性介质泵的回转轴密封。其密封腔内应有循环液，冷却液润滑磨檫环，起压力应小于1MPa 。
使用范围：
◇ 介质：水，油等一般腐蚀性液体
◇ 压力：≤1.0 MPa
◇ 温度：-20～+180℃
◇ 转速：≤3000r/min
| 型号 | d | d1 | D | D1 | D2 | L | L1 | L2 | L3 |
| U202-20 | 20 | 21 | 29 | 35 | 38 | 77 | 19 | 19 | 7 |
| U202-25 | 25 | 26 | 34 | 40 | 43 | 77 | 19 | 19 | 7 |
| U202-30 | 30 | 31 | 39 | 45 | 48 | 80 | 19 | 19 | 7 |
| U202-35 | 35 | 36 | 44 | 50 | 53 | 80 | 20 | 20 | 7 |
| U202-40 | 40 | 41 | 51 | 58 | 61 | 85 | 20 | 20 | 7 |
| U202-45 | 45 | 46 | 56 | 63 | 66 | 85 | 20 | 20 | 7 |
| U202-50 | 50 | 51 | 62 | 70 | 73 | 88 | 21 | 21 | 7 |
| U202-55 | 55 | 56 | 67 | 75 | 78 | 88 | 21 | 21 | 7 |
| U202-60 | 60 | 61 | 72 | 80 | 83 | 100 | 22 | 22 | 7 |
| U202-65 | 65 | 66 | 77 | 85 | 88 | 100 | 22 | 22 | 7 |
| U202-70 | 70 | 71 | 83 | 92 | 95 | 108 | 25 | 25 | 7 |
| U202-75 | 75 | 76 | 88 | 97 | 100 | 108 | 25 | 25 | 7 |
| U202-80 | 80 | 81 | 95 | 105 | 108 | 108 | 25 | 25 | 7 |
| U202-85 | 85 | 86 | 100 | 110 | 113 | 108 | 26 | 26 | 7 |
| U202-90 | 90 | 91 | 105 | 115 | 118 | 108 | 26 | 26 | 7 |
| U202-95 | 95 | 96 | 110 | 120 | 123 | 108 | 26 | 26 | 7 |
| U202-100 | 100 | 102 | 115 | 125 | 128 | 108 | 26 | 26 | 7 |
