300X Slow Off Check Valve
manufacturer: Shanghai MeiYan Yi Pump & Valve Co., Ltd.
E-mail: sales@1bengfa.com
Tel: +86 (21) 5640 2009
Mob: +86 138 1691 3072（WeChat Same Account）
product drawing
300X slow off check valves
Product introductions
300X slow off check valve is an intelligent valve that installed in water pump outlet of high-rise building water supply systems and other water supply systems, to prevent the media backflow, water hammer and water impact phenomenon. The valve combines three kinds of functions of electric valve, check valve and water hammer eliminator, can effectively improve the safety and reliability of water supply systems, and make the technology and principles intergrally of slow open, fast closing, slow closing to eliminate water hammer, to prevent the production of open-pump water hammer and closed-pump water hammer. Just operating the pump motor’s hoist button, the valve can automatically open and close in accordance with pump operating procedures, with large flow and small pressure loss.
Dimensions & constructral diagram
300X slow off check valve constructral diagram
Main dimensions
| nominal diameter DN(mm) | dimensions(mm) | |||||
| L | A1 | A | H1 | H | F | |
| 20 | 150 | 200 | 282 | 106 | 172 | 116 |
| 25 | 160 | 200 | 282 | 106 | 172 | 116 |
| 32 | 180 | 200 | 282 | 106 | 172 | 116 |
| 40 | 200 | 210 | 320 | 137 | 225 | 168 |
| 50 | 203 | 210 | 320 | 137 | 225 | 168 |
| 65 | 216 | 215 | 330 | 145 | 270 | 180 |
| 80 | 241 | 220 | 330 | 178 | 289 | 210 |
| 100 | 292 | 230 | 410 | 232 | 375 | 284 |
| 125 | 330 | 245 | 420 | 286 | 420 | 310 |
| 150 | 356 | 260 | 420 | 318 | 450 | 370 |
| 200 | 495 | 280 | 430 | 413 | 722 | 463 |
| 250 | 622 | 300 | 450 | 502 | 769 | 525 |
| 300 | 698 | 320 | 460 | 600 | 906 | 625 |
| 350 | 787 | 340 | 470 | 637 | 1480 | 705 |
| 400 | 914 | 360 | 480 | 677 | 1027 | 778 |
| 450 | 978 | 360 | 480 | 677 | 1027 | 778 |
| 500 | 978 | 410 | 780 | 750 | 1110 | 690 |
| 600 | 1230 | 456 | 888 | 850 | 1286 | 785 |
