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| 概述 H74H/N/X型结构轻巧．造型简单。订用于给水系统， 高楼建筑及工业区，由于结构长度短．一般适用于对安装空间有限制的场所。 | Overview Featured by exquisite structure and simple pro-file,H74H/N/X products are mainly used in water sup-ply system,high-rises ａnd industrial zones.Thanks to their short structural length ,they are usually applica-ble for space-restricted locations. |
主要零件材质Main Parts and Materials
| 零件名称 Name | 阀体、阀瓣 Valve Body、Disc | 材料 Material | 碳素钢、不锈钢、铬钼钢 Carbon steel，stainless stee ChromiumMolybdenum steel |
| 吊环 Rings | 碳素钢、不锈钢 stainless steel、Carbon steel | ||
| 摇臂（长型） Rocker arm（long type） | 碳素钢、不锈钢、铬钼钢 Carbon steel，stainless stee ChromiumMolybdenum steel | ||
| 密封面 Seal surface | 丁晴橡胶、不锈钢、聚四氟乙烯、尼龙塑料 NBR，stainless steel are gathered Four Fluorine ethylene nylon plastics |
主要性能参数Main Performace Parameters
| 型号 Type | 公称压力（MPa） Nominal Pressure | 试验压力Ps（MPa） Test Pressure PS | 工作温度（℃）Working Temperature（℃） | 适用介质 Applicable Medium | 阀体材质裁 Valve body material | ||
| 壳体Shell | 密封Seal | 软密封Seal soflty | 硬密封Seal hard | ||||
| H76X/H H46X/H | 1.0 | 1.5 | 1.1 | ≤80或（or） ≤150 | ≤200 | 水、油、水（蒸汽） 酸碱等介质 Oil，water（steam） Medium，such as Acid and alkali，etc. | 碳素不锈钢、铬钼钢等 Carbon steel，stainless Steel，chromium Molybdenum Steel，etc. |
| 1.6 | 2.4 | 1.8 | |||||
| 2.5 | 3.8 | 2.8 | |||||
| 4.0 | 6.0 | 4.4 | |||||
主要外形尺寸及连接尺寸Main External Dimensions and Connecting Dimensions
| DN （mm） | 尺寸（mm）SIZE | |||||||
| L | L | d | D | |||||
| A型 tupeA | B型 typeB | C型 typeC | Pn10 | Pn16 | Pn25 | Pn40 | ||
| 50 | 22 | 22 | 43 | 25 | 109 | 109 | 109 | 109 |
| 65 | 22 | 22 | 46 | 38 | 129 | 129 | 129 | 129 |
| 80 | 22 | 22 | 51 | 46 | 144 | 144 | 144 | 144 |
| 100 | 24 | 24 | 64 | 71.5 | 164 | 164 | 170 | 170 |
| 125 | 26 | 26 | 70 | 95 | 194 | 194 | 196 | 196 |
| 150 | 29 | 29 | 98 | 114 | 221 | 221 | 226 | 226 |
| 200 | 29 | 43 | 127 | 140 | 275 | 275 | 286 | 293 |
| 250 | 29 | 43 | 146 | 188 | 330 | 331 | 343 | 355 |
| 300 | 38 | 50 | - | 216 | 380 | 386 | 403 | 420 |
| 350 | 41 | 52 | - | 263 | 440 | 446 | 460 | 477 |
| 400 | 51 | 62 | - | 305 | 491 | 498 | 517 | 549 |
| 450 | 51 | 62 | - | 356 | 541 | 558 | 567 | 574 |
| 500 | 65 | 80 | - | 406 | 596 | 620 | 627 | 631 |
| 600 | 70 | 90 | - | 482 | 698 | 737 | 734 | 750 |
| 700 | 76 | - | - | 566 | 813 | 804 | - | - |
| 800 | 80 | - | - | 622 | 920 | 904 | - | - |
| 900 | 96 | - | - | 708 | 1020 | 1014 | - | - |
| 1000 | 127 | - | - | 815 | 1130 | 1128 | - | - |
注：A型力普通型．B型加装弹簧快关装置．C型为加长型结构。
Note：A type ordinary type,B type install additional spring imprison device, for add long structure C type soon.
