结构特点
● 采用了聚四氟乙烯、填充聚四氟乙烯或柔性石墨制作的楔形环作辅助密封圈，提高了密封的使用温度和耐磨性.
● 为小弹簧结构，非平衡型密封，轴向尺寸短，密封端面受压均匀 应用.
| 规格尺寸 | d | D1 | D | D1 | D2 | L | L1 | L0 |
| DLR/527-18 | 18 | 32 | 34 | 27 | 33 | 31 | 21 | 38 |
| DLR/527-20 | 20 | 34 | 36 | 29 | 35 | 31 | 21 | 38 |
| DLR/527-22 | 22 | 36 | 38 | 31 | 37 | 31 | 21 | 38 |
| DLR/527-24 | 24 | 38 | 40 | 33 | 39 | 34 | 24 | 41 |
| DLR/527-25 | 25 | 39 | 41 | 34 | 40 | 34 | 24 | 41 |
| DLR/527-28 | 28 | 42 | 44 | 37 | 43 | 34 | 24 | 41 |
| DLR/527-30 | 30 | 44 | 46 | 39 | 45 | 35 | 25 | 42 |
| DLR/527-32 | 32 | 46 | 48 | 42 | 48 | 35 | 25 | 42 |
| DLR/527-33 | 33 | 47 | 49 | 42 | 48 | 35 | 25 | 42 |
| DLR/527-35 | 35 | 49 | 51 | 44 | 50 | 35 | 25 | 42 |
| DLR/527-38 | 38 | 54 | 58 | 49 | 56 | 39 | 28 | 46 |
| DLR/527-40 | 40 | 56 | 60 | 51 | 58 | 39 | 28 | 46 |
| DLR/527-43 | 43 | 59 | 63 | 54 | 61 | 39 | 28 | 46 |
| DLR/527-45 | 45 | 61 | 65 | 56 | 63 | 39 | 28 | 46 |
| DLR/527-48 | 48 | 64 | 68 | 59 | 66 | 39 | 28 | 46 |
| DLR/527-50 | 50 | 66 | 70 | 62 | 70 | 41 | 28 | 48 |
| DLR/527-53 | 53 | 69 | 73 | 65 | 73 | 41 | 28 | 48 |
| DLR/527-55 | 55 | 71 | 75 | 67 | 75 | 41 | 28 | 48 |
| DLR/527-58 | 58 | 78 | 83 | 70 | 78 | 42 | 29 | 49 |
| DLR/527-60 | 60 | 80 | 85 | 72 | 80 | 42 | 29 | 49 |
| DLR/527-63 | 63 | 83 | 88 | 75 | 83 | 45 | 32 | 52 |
| DLR/527-65 | 65 | 85 | 90 | 77 | 85 | 45 | 32 | 52 |
| DLR/527-68 | 68 | 88 | 93 | 81 | 90 | 48 | 32.7 | 55 |
| DLR/527-70 | 70 | 90 | 95 | 83 | 92 | 48 | 32.7 | 55 |
| DLR/527-75 | 75 | 99 | 104 | 88 | 97 | 52 | 36.7 | 59 |
| DLR/527-80 | 80 | 104 | 109 | 95 | 105 | 52 | 36.3 | 59 |
| DLR/527-85 | 85 | 109 | 114 | 100 | 110 | 52 | 36.3 | 59 |
| DLR/527-90 | 90 | 114 | 119 | 105 | 115 | 55 | 39.3 | 62 |
| DLR/527-95 | 95 | 119 | 124 | 110 | 120 | 55 | 39.3 | 62 |
| DLR/527-100 | 100 | 124 | 129 | 115 | 125 | 55 | 39.3 | 62 |
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