品牌
生产厂家厂商性质
常州市所在地
JIS日标H44H-10K 3寸止回阀
主要零件材料
零件名称CF8系列CF3系列CF8M系列CF3M系列WCB系列
阀体/阀盖CF8CF3CF8MCF3MWCB
摇杆CF8CF3CF8MCF3MWCB
阀瓣CF8CF3CF8MCF3MWCB
垫片PTFE+304PTFE+304LPTFE+316PTFE+316L石墨+304
螺柱A193-B8A193-B8A193-B8MA193-B8M35CrMoA
螺母A194-8MA194-8MA194-8MA194-8M45
主要零件及材质
| 零件名称 | Qty. | 材料 | NO. | 零件名称 | Qty. | 材料 |
| 阀体 | 1 | WCB | 9 | 铭牌 | 1 | 304 |
| 阀座 | 2 | A105+HF | 10 | 垫片 | 1 | 304不锈钢+柔性石墨 |
| 闸瓣 | 1 | WCB+F6 | 11 | 阀盖 | 1 | WCB |
| 阀杆 | 1 | WCB | 12 | 螺柱 | 1 | A193B7 |
| 垫片 | 1 | A276410 | 13 | 螺母 | 1 | A1942H |
| 螺母 | 1 | A276410 | 14 | 吊环 | 1 | A291035 |
| 销轴 | 1 | A276410 | 15 | 垫片 | 1 | 1008 |
| 铆钉 | 2 | 304 | 16 | 螺塞 | 1 | A276410 |
主要连接尺寸及重量
| NPS d | in | 2 | 2-1/2 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 |
| mm | 51 | 64 | 76 | 102 | 127 | 152 | 203 | 254 | 305 | 337 | 387 | 438 | 489 | |
| L-L1 （RF-BW） | in | 8.00 | 8.50 | 9.50 | 11.50 | 13.00 | 14.00 | 19.50 | 24.50 | 27.50 | 31.00 | 34.00 | 38.50 | 38.50 |
| mm | 203 | 216 | 241 | 292 | 330 | 356 | 495 | 622 | 698 | 787 | 864 | 978 | 978 | |
| L2 （RTJ） | in | 8.50 | 9.00 | 10.00 | 12.00 | 13.50 | 14.50 | 20.00 | 25.00 | 28.00 | 31.50 | 34.50 | 39.00 | 39.00 |
| mm | 216 | 229 | 254 | 305 | 343 | 368 | 508 | 635 | 711 | 800 | 876 | 991 | 991 | |
| d1 | in | 3.62 | 4.13 | 5.00 | 6.18 | 7.32 | 8.50 | 10.63 | 12.76 | 15.00 | 16.26 | 18.50 | 20.98 | 22.99 |
| mm | 92 | 105 | 127 | 157 | 186 | 216 | 270 | 324 | 381 | 413 | 470 | 533 | 584 | |
| d2 | in | 4.75 | 5.50 | 6.00 | 7.50 | 8.50 | 9.50 | 11.75 | 14.25 | 17.00 | 18.75 | 21.25 | 22.75 | 25.00 |
| mm | 120.5 | 139.5 | 152.5 | 190.5 | 216 | 241.5 | 298.5 | 362 | 432 | 476 | 540 | 578 | 635 | |
| D | in | 6.00 | 7.00 | 7.50 | 9.00 | 10.00 | 11.00 | 13.50 | 16.00 | 19.00 | 21.00 | 23.50 | 25.00 | 27.50 |
| mm | 152 | 178 | 190 | 229 | 254 | 279 | 343 | 406 | 483 | 533 | 597 | 635 | 699 | |
| b | in | 0.75 | 0.88 | 0.94 | 0.94 | 0.94 | 1.00 | 1.13 | 1.19 | 1.25 | 1.38 | 1.44 | 1.56 | 1.69 |
| mm | 16 | 17.5 | 19 | 24 | 25 | 26 | 29 | 31 | 32 | 35 | 37 | 40 | 43 | |
| n-Φd | in | 4-0.75 | 4-0.75 | 4-0.75 | 8-0.75 | 80.87 | -0.87 | 8-0.87 | 12-1.00 | 12-1.00 | 12-1.13 | 16-1.13 | 16-1.25 | 20-1.25 |
| mm | 4-19 | 4-19 | 4-19 | 8-19 | 8-22 | 8-22 | 8-22 | 12-25 | 12-25 | 12-29 | 16-29 | 16-32 | 20-32 | |
| H （open） | in | 5.31 | 6.10 | 6.61 | 9.37 | 9-80 | 10.91 | 13.35 | 15.67 | 20.67 | 21.77 | 22-99 | 26.30 | 28.03 |
| mm | 135 | 155 | 168 | 235 | 249 | 277 | 339 | 398 | 525 | 553 | 584 | 688 | 712 |
