结构特点： 单端面.内装式. 多弹簧或蝶形弹簧.任意旋向. 平衡型. 应用范围: 温度 : -20~204 ℃ 压力 : 4Mpa 线速度 : 20m/sec 介质 :水. 油类. 酸类. 碱等中等以下腐蚀性介质 型号规格 D0 D D1 D2 D3 D4 L ...
结构特点：
单端面.内装式. 多弹簧或蝶形弹簧.任意旋向. 平衡型.
应用范围:
温度 : -20~204 ℃
压力 : ≤4Mpa
线速度 : ≤20m/sec
介质 :水. 油类. 酸类. 碱等中等以下腐蚀性介质
| 型号规格 | D0 | D | D1 | D2 | D3 | D4 | L | L1 | L2 |
| DLR/H7-14 | 14 | 18 | 33 | 21 | 25 | 3 | 32.5 | 10 | 18 |
| DLR/H7-16 | 16 | 20 | 35 | 23 | 27 | 3 | 32.5 | 10 | 18 |
| DLR/H7-18 | 18 | 22 | 37 | 27 | 33 | 3 | 33.5 | 11.5 | 20 |
| DLR/H7-20 | 20 | 24 | 39 | 29 | 35 | 3 | 33.5 | 11.5 | 20 |
| DLR/H7-22 | 22 | 26 | 41 | 31 | 37 | 3 | 33.5 | 11.5 | 20 |
| DLR/H7-24 | 24 | 28 | 43 | 33 | 39 | 3 | 36 | 11.5 | 20 |
| DLR/H7-25 | 25 | 30 | 45 | 34 | 40 | 3 | 36 | 11.5 | 20 |
| DLR/H7-28 | 28 | 33 | 48 | 37 | 43 | 3 | 38.5 | 11.5 | 20 |
| DLR/H7-30 | 30 | 35 | 50 | 39 | 45 | 3 | 38.5 | 11.5 | 20 |
| DLR/H7-32 | 32 | 38 | 55 | 42 | 48 | 3 | 38.5 | 11.5 | 20 |
| DLR/H7-33 | 33 | 38 | 55 | 42 | 48 | 3 | 38.5 | 11.5 | 20 |
| DLR/H7-35 | 35 | 40 | 57 | 44 | 50 | 3 | 38.5 | 11.5 | 20 |
| DLR/H7-38 | 38 | 43 | 60 | 49 | 56 | 4 | 38.5 | 14 | 23 |
| DLR/H7-40 | 40 | 45 | 62 | 51 | 58 | 4 | 38.5 | 14 | 23 |
| DLR/H7-43 | 43 | 48 | 65 | 54 | 61 | 4 | 38.5 | 14 | 23 |
| DLR/H7-45 | 45 | 50 | 67 | 56 | 63 | 4 | 38.5 | 14 | 23 |
| DLR/H7-48 | 48 | 53 | 70 | 59 | 66 | 4 | 38.5 | 14 | 23 |
| DLR/H7-50 | 50 | 55 | 72 | 62 | 70 | 4 | 42.5 | 15 | 25 |
| DLR/H7-53 | 53 | 58 | 79 | 65 | 73 | 4 | 42.5 | 15 | 25 |
| DLR/H7-55 | 55 | 60 | 81 | 67 | 75 | 4 | 42.5 | 15 | 25 |
| DLR/H7-58 | 58 | 63 | 84 | 70 | 78 | 4 | 47.5 | 15 | 25 |
| DLR/H7-60 | 60 | 65 | 86 | 72 | 80 | 4 | 47.5 | 15 | 25 |
| DLR/H7-63 | 63 | 68 | 89 | 75 | 83 | 4 | 47.5 | 15 | 25 |
| DLR/H7-65 | 65 | 70 | 91 | 77 | 85 | 4 | 47.5 | 15 | 25 |
| DLR/H7-70 | 70 | 75 | 99 | 83 | 92 | 4 | 52 | 18.0 | 28 |
| DLR/H7-75 | 75 | 80 | 104 | 88 | 97 | 4 | 52 | 18.0 | 28 |
| DLR/H7-80 | 80 | 85 | 109 | 95 | 105 | 4 | 51.8 | 18.2 | 28 |
| DLR/H7-85 | 85 | 90 | 114 | 100 | 110 | 4 | 56.8 | 18.2 | 28 |
| DLR/H7-90 | 90 | 95 | 119 | 105 | 115 | 4 | 56.8 | 18.2 | 28 |
| DLR/H7-95 | 95 | 100 | 124 | 110 | 120 | 4 | 57.8 | 17.2 | 28 |
| DLR/H7-100 | 100 | 105 | 129 | 115.0 | 125.0 | 4 | 57.8 | 17.2 | 28 |
| DLR/H7-105 | 105 | 115 | 148 | 122.2 | 134.3 | 5 | 53 | 20 | 32 |
| DLR/H7-110 | 110 | 120 | 153 | 128.2 | 140.3 | 5 | 53 | 20 | 32 |
| DLR/H7-115 | 115 | 125 | 158 | 136.2 | 148.3 | 5 | 53 | 20 | 32 |
| DLR/H7-120 | 120 | 130 | 163 | 138.2 | 150.3 | 5 | 53 | 20 | 32 |
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