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不锈钢对夹圆片式止回阀
Type: Primary Crusher
Input Size: 480-940mm
Processed Materials: Concrete waste, iron ore, copper ore, gold ore , manganese ore, gravel, granite, river stone, basalt, limestone, dolomite, quartz, coal, etc .
Applications: Mining, metallurgy, construction, highway, railway, and water conservancy, etc.
H74H超薄型止回阀结构及用途
超薄型止回阀是一种超薄止回阀，它具有结构简单，外形美观、重量轻、安装方便等优点。主要适用于给水系统、石油、 化工、冶金等工业部门对有安装空间限制的场所***为适用。
主要技术参数
| 型号 | 公称通径 | 试验压力 | 适用温度 | 适用介质 | ||
| 壳体 | 密封 | 硬密封 | 软密封 | |||
| H74H（X）-10 | 1.0 | 1.5 | 1.1 | ≤400℃ | ≤120℃***高 ≤250℃ | 油、水、酸碘等液体 |
| H74H（X）-16 | 1.6 | 2.4 | 1.76 | |||
| H74H（X）-25 | 2.5 | 3.75 | 2.75 | |||
| H74H（X）-40 | 4.0 | 6.0 | 4.4 | |||
主要零件材料
| 零件名称 | 阀体、阀瓣 | 密封圈 |
| 材料 | 碳钢、不锈钢、铜 | 丁腈橡胶、三元丙橡胶、聚四氟乙烯、不锈钢 |
主要外形尺寸
| 公称通径 | D | L | D | ||||
| I型 | II型 | PN1.0 | PN1.6 | PN2.5 | PN4.0 | ||
| 50 | 25 | 15 | 22 | 109 | 109 | 109 | 109 |
| 65 | 38 | 15 | 22 | 129 | 129 | 129 | 129 |
| 80 | 46 | 15 | 22 | 144 | 144 | 144 | 144 |
| 100 | 72 | 15 | 24 | 164 | 164 | 170 | 170 |
| 125 | 95 | 16 | 26 | 194 | 194 | 186 | 186 |
| 150 | 114 | 19 | 29 | 221 | 221 | 226 | 226 |
| 200 | 140 | 29 | 43 | 275 | 275 | 283 | 293 |
| 250 | 188 | 29 | 43 | 330 | 331 | 343 | 355 |
| 300 | 216 | 38 | 50 | 380 | 386 | 403 | 420 |
| 350 | 263 | 41 | 52 | 440 | 446 | 460 | 477 |
| 400 | 305 | 51 | 62 | 491 | 498 | 517 | 549 |
| 450 | 356 | 51 | 62 | 541 | 558 | 567 | 574 |
| 500 | 406 | 65 | 80 | 596 | 620 | 627 | 613 |
| 600 | 482 | 70 | 90 | 698 | 737 | 734 | 750 |
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