1、由于采用超高压液压系统，液压螺母的尺寸与原有传统螺母匹配，无需修改原有螺母副设计
2、无需扳手及套筒的空间，螺栓副的尺寸更紧凑；
3、通过液压拉伸螺栓，预定载荷更精确，紧固更可靠；
4、可分为厚型和薄型液压螺母；
5、按锁紧方式可分为顶圈锁紧和底圈锁紧型；
适用于
油田：油田防喷器，采油树
矿山：采煤机，掘进机，斗轮机，超重型车辆
电厂：高压给水泵，压缩机，岩石磨，汽轮机，靠背轮
石化：反应釜，高压给水泵，压缩机，岩石磨，烟汽轮机
船舶：柴油机，主轴系，靠背轮，地脚螺栓，主机联轴
钢铁：轧机，水压机，钢坯剪，靠背轮
电力：水电，火电，核电
| 型号 | 螺纹规格 | 外径 A | 螺母厚度 H(mm) | 行程 | 油压而积 | ***拉伸力 | 重量 Kg | ||||
| 顶环液压螺母 | 底环液爪螺母 | M | Inch | mm | 厚型 | 薄形 | mm | mm² | 150Mpa | 厚型 | 薄型 |
| YTC-022 | YBC-022 | 22 | 7/8" | 57 | 57 | 45 | 4 | 1280 | 192 | 0.9 | 0.7 |
| YTC-024 | YBC-024 | 24 | 1" | 59 | 59 | 45 | 4 | 1280 | 192 | 0.9 | 0.7 |
| YTC-027 | YBC-027 | 27 | 1-1/8" | 63 | 63 | 48 | 4 | 1441 | 215 | 1.0 | 0.8 |
| YTC-033 | YBC-033 | 33 | 1-3/16" | 74 | 74 | 50 | 4 | 1441 | 215 | 1.2 | 0.9 |
| YTC-036 | YBC-036 | 36 | 1-3/8" | 80 | 80 | 55 | 5 | 1656 | 248 | 1.3 | 1 |
| YTC-039 | YBC-039 | 39 | 1-1/2" | 87 | 87 | 58 | 5 | 1995 | 300 | 1.5 | 1.2 |
| YTC-042 | YBC-042 | 42 | 1-5/8" | 94 | 94 | 60 | 6 | 2245 | 337 | 1.9 | 1.5 |
| YTC-045 | YBC-045 | 45 | 1-3/4" | 101 | 101 | 62 | 6 | 2728 | 410 | 2.4 | 2 |
| YTC-048 | YBC-048 | 48 | 1-7/8" | 107 | 107 | 62 | 6 | 3021 | 453 | 2.9 | 2.5 |
| YTC-052 | YBC-052 | 52 | 2-1/8" | 117 | 117 | 67 | 8 | 3665 | 550 | 3.6 | 3 |
| YTC-056 | YBC-056 | 56 | 2-1/4" | 128 | 128 | 67 | 8 | 43 | 656 | 4.9 | 4.2 |
| YTC-060 | YBC-060 | 60 | 2-3/8" | 135 | 135 | 80 | 8 | 4844 | 727 | 5.6 | 5 |
| YTC-064 | YBC-064 | 64 | 2-1/2" | 144 | 144 | 80 | 10 | 5468 | 820 | 6.7 | 6 |
| YTC-068 | YBC-068 | 68 | 2-5/8" | 157 | 157 | 85 | 10 | 6720 | 1008 | 8.8 | 7.8 |
| YTC-072 | YBC-072 | 72 | 2-3/4" | 163 | 163 | 85 | 10 | 7034 | 1055 | 9.7 | 8.7 |
| YTC-076 | YBC-076 | 76 | 3" | 173 | 173 | 95 | 10 | 8000 | 1200 | 11.7 | 10 |
| YTC-080 | YBC-080 | 80 | 3-1/8" | 187 | 187 | 95 | 10 | 9732 | 1460 | 15 | 12 |
| YTC-085 | YBC-085 | 85 | 3-3/8" | 195 | 195 | 100 | 10 | 10193 | 1529 | 16 | 12 |
| YTC-090 | YBC-090 | 90 | 3-5/8" | 207 | 207 | 110 | 10 | 11511 | 1727 | 20 | 16 |
| YTC-095 | YBC-095 | 95 | 3-3/4" | 219 | 219 | 120 | 10 | 13100 | 1985 | 23 | 18 |
| YTC-0100 | YBC-0100 | 100 | 4" | 234 | 234 | 120 | 10 | 14884 | 2233 | 29 | 23 |
| YTC-0105 | YBC-0105 | 105 | 4-1/8" | 243 | 243 | 125 | 15 | 16061 | 2410 | 32 | 26 |
| YTC-0110 | YBC-0110 | 110 | 4-3/8" | 255 | 255 | 125 | 15 | 17926 | 2689 | 36 | 28 |
| YTC-0115 | YBC-0115 | 115 | 4-1/2" | 267 | 267 | 145 | 15 | 19324 | 2899 | 42 | 34 |
| YTC-0120 | YBC-0120 | 120 | 4-3/4" | 279 | 279 | 145 | 15 | 21365 | 3205 | 47 | 38 |
| YTC-0125 | YBC-0125 | 125 | 5" | 295 | 295 | 152 | 15 | 24247 | 3637 | 56 | 45 |
| YTC-0130 | YBC-0130 | 130 | 5-1/8" | 303 | 303 | 155 | 15 | 25104 | 3766 | 61 | 49 |
| YTC-0140 | YBC-0140 | 140 | 5-1/2" | 328 | 328 | 170 | 15 | 29145 | 4372 | 77 | 62 |
| YTC-0150 | YBC-0150 | 150 | 6" | 356 | 356 | 185 | 15 | 35124 | 5269 | 100 | 80 |
| YTC-0160 | YBC-0160 | 160 | 6-1/4" | 376 | 376 | 200 | 15 | 38927 | 5840 | 115 | 92 |
| YTC-0170 | YBC-0170 | 170 | 6-3/4" | 400 | 400 | 208 | 15 | 43922 | 6588 | 138 | 110 |
| YTC-0180 | YBC-0180 | 180 | 7-1/8" | 424 | 424 | 215 | 20 | 49754 | 7463 | 165 | 132 |
| YTC-0190 | YBC-0190 | 190 | 7-1/2" | 450 | 450 | 230 | 20 | 55763 | 8364 | 196 | 157 |
| YTC-0200 | YBC-0200 | 200 | 8" | 480 | 480 | 240 | 20 | 64106 | 9016 | 240 | 200 |
