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![高[Gāo]壓旋(Xuán)啟式止回閥](/m/yulevc.cn/image/2021114162328534.jpg)
一、主要[Yào]零件材⋄料⋄(Liào)
| 零件▾名▾●稱●(Chēng) | 材料牌 号 | |||
| 閥體 | WCB | WC1 | WC6 | WC9 |
| 閥座 | A105 | 15CrMoA | 12Cr1MoVA | |
| 閥瓣 | WCB | WC1 | WC6 | WC9 |
| 搖杆 | WCB | WC1 | WC6 | WC9 |
| 閥▾蓋▾ | A105 | 15CrMoA | 12Cr1MoVA | |
| 密封環 | 1Cr17Ni2 | 12Cr1MoVA | ||
| 密封∆環∆[Huán] | S軟鋼（增強◊柔◊性石墨） | S軟鋼 | F軟鋼 | |
二、主要外形連接尺寸(Cùn)
H64Y-1500Lb H64Y-250/P55140V
| NPS(in) | d | L | H | WT(kg) |
| 2(1/2) | 56 | 254 | 282 | 57 |
| 3 | 64 | 325 | 300 | 57 |
| 4 | 84 | 406 | 350 | 80 |
| 5 | 100 | 483 | 425 | 115 |
| 6 | 126 | 559 | 400 | 180 |
| 8 | 158 | 711 | 490 | 270 |
| 10 | 200 | 864 | 540 | 430 |
| 12 | 250 | 991 | 650 | 630 |
| 14 | 280 | 1067 | 710 | 1400 |
H64Y-2000Lb H64Y-320/P55170V
| NPS(in) | d | L | H | WT(kg) |
| 2(1/2) | 50 | 330 | 240 | 40 |
| 3 | 60 | 368 | 305 | 60 |
| 4 | 80 | 457 | 315 | 95 |
| 5 | 96 | 533 | 409 | 170 |
| 6 | 118 | 610 | 465 | 186 |
| 8 | 147 | 762 | 528 | 415 |
| 10 | 180 | 914 | 613 | 658 |
| 12 | 222 | 1041 | 680 | 1200 |
| 14 | 254 | 1118 | 745 | 1638 |
H64Y-2500Lb H64Y-420/P55250V
| NPS(in) | d | L | H | WT(kg) |
| 3 | 54 | 368 | 297 | 44 |
| 4 | 70 | 457 | 385 | 110 |
| 5 | 86 | 533 | 410 | 130 |
| 6 | 104 | 610 | 455 | 192 |
| 8 | 130 | 762 | 557 | 466 |
| 10 | 162 | 914 | 615 | 730 |
| 12 | 210 | 1041 | 715 | 1120 |
| 14 | 234 | 1118 | 790 | 1495 |
| 16 | 264 | 1245 | 815 | 1950 |
| 18 | 304 | 1397 | 815 | 2400 |
