H64Y高压焊接止回阀又称磅级电站旋启式止回阀，该阀中腔采用压力自紧式密封结构，内腔压力越高密封性能越好。支管两端为3.支管两端为对焊连接，适应不同的接管要求。阀瓣、阀座的密封面采用司太立（slite）钴基硬质合金堆焊而成，耐磨、耐高温，抗擦伤性能好、使用寿命长。耐压部件选用优质耐热合金钢制造，高温性能好，承受压力高，耐用、安全、可靠。
H64Y高压焊接止回阀尺寸标准：
| 型号 | 公称 通径 NPS（in） | 压力级 Class | 主要结构尺寸（mm） | 阀体 材料 | 性能规范 | |||||
| D | D1 | L | L1 | H | 适用温度（℃） | 适用介质 | ||||
| SFH-64C150C | 2" | 150 | | | 203 | | 170 | WCB | ≤425 | 水、油品、蒸气等 |
| " | 3" | " | | | 241 | | 185 | " | " | " |
| " | 4" | " | | | 292 | | 215 | " | " | " |
| " | 6" | " | | | 356 | | 260 | " | " | " |
| " | 8" | " | | | 495 | | 300 | " | " | " |
| " | 10" | " | | | 622 | | 350 | " | " | " |
| " | 12" | " | | | 699 | | 400 | " | " | " |
| " | 14" | " | | | 787 | | 450 | " | " | " |
| " | 16" | " | | | 864 | | 480 | " | " | " |
| " | 18" | " | | | 978 | | 540 | " | " | " |
| " | 20" | " | | | 978 | | 600 | " | " | " |
| " | 24" | " | | | 1295 | | 680 | " | " | " |
| SFH-64C300C | 2" | 300 | | | 267 | | 170 | WCB | ≤425 | 水、油品、蒸气等 |
| " | 3" | " | | | 318 | | 215 | " | " | " |
| " | 4" | " | | | 356 | | 235 | " | " | " |
| " | 6" | " | | | 445 | | 300 | " | " | " |
| " | 8" | " | | | 533 | | 340 | " | " | " |
| " | 10" | " | | | 622 | | 350 | " | " | " |
| " | 12" | " | | | 711 | | 420 | " | " | " |
| " | 14" | " | | | 838 | | 480 | " | " | " |
| " | 16" | " | | | 864 | | 520 | " | " | " |
| " | 18" | " | | | 978 | | 600 | " | " | " |
| " | 20" | " | | | 1016 | | 670 | " | " | " |
| " | 24" | " | | | 1346 | | 750 | " | " | " |
| SFH-64C600C | 2" | 600 | | | 292 | | 175 | WCB | ≤425 | 水、油品、蒸气 |
| " | 3" | " | | | 356 | | 230 | " | " | " |
| " | 4" | " | | | 432 | | 295 | " | " | " |
| " | 6" | " | | | 559 | | 360 | " | " | " |
| " | 8" | " | | | 660 | | 400 | " | " | " |
| " | 10" | " | | | 787 | | 460 | " | " | " |
| " | 12" | " | | | 838 | | 520 | " | " | " |
| " | 14" | " | | | 889 | | 560 | " | " | " |
| " | 16" | " | | | 991 | | 650 | " | " | " |
| " | 18" | " | | | 1092 | | 730 | " | " | " |
| " | 20" | " | | | 1194 | | 800 | " | " | " |
| " | 24" | " | | | 1397 | | 900 | " | " | |
所有评论仅代表网友意见，与本站立场无关。