Pressure Reducing & Sustaining Control Valves with Downstream Surge
manufacturer: Shanghai MeiYan Yi Pump & Valve Co., Ltd.
Eml: sales@1bengfa.com
Tel: +86 (21) 5640 2009
Mob: +86 138 1691 3072（WeChat Same Account）
Features
Pressure Reducing & Sustaining Control Valve with Downstream Surge Control is mounted on the pipeline of high buildings, fire-fighting and other water supply systems. The Pressure Reducing & Sustaining Control Valve with Downstream Surge Control will open automatically to discharge the pressure quickly when the pressure inside the pipeline surpasses the set one so as to protect the pipelines safety. It can also be used as the pressure-retaining valve to guarantee the water supply pressure of the main valves upper-stream.
Diaphragm actuated
Piston actuated
1. Needle Valve
2. Check Valve
3. Stroke Switch
4. Solenoid Valve
5. Check Valve
1. Body
2. Ball Valve
3. Line
4. Pilot Valve
5. Ball Valve
Dimensions
| DN | L | D | D1 | n-d | H | ||||||
| 1.0Mpa | 1.6 Mpa | 2.5 Mpa | 1.0Mpa | 1.6 Mpa | 2.5 Mpa | 1.0Mpa | 1.6 Mpa | 2.5 Mpa | |||
| 50 | 205 | 165 | 165 | 165 | 125 | 125 | 125 | 4-18 | 4-18 | 4-18 | 300 |
| 65 | 216 | 185 | 185 | 185 | 145 | 145 | 145 | 4-18 | 4-18 | 8-18 | 337 |
| 80 | 250 | 200 | 200 | 200 | 160 | 160 | 160 | 8-18 | 8-18 | 8-18 | 467 |
| 100 | 320 | 220 | 220 | 235 | 180 | 180 | 190 | 8-18 | 8-18 | 8-22 | 520 |
| 125 | 365 | 250 | 250 | 270 | 210 | 210 | 220 | 8-18 | 8-18 | 8-22 | 580 |
| 150 | 415 | 285 | 285 | 300 | 240 | 240 | 250 | 8-22 | 8-22 | 8-26 | 640 |
| 200 | 500 | 340 | 340 | 360 | 295 | 295 | 310 | 8-22 | 12-22 | 12-26 | 778 |
| 250 | 605 | 395 | 405 | 425 | 350 | 355 | 370 | 12-22 | 12-26 | 12-26 | 889 |
| 300 | 698 | 445 | 460 | 485 | 400 | 410 | 430 | 12-22 | 12-26 | 12-30 | 1010 |
| 350 | 787 | 505 | 520 | 555 | 460 | 470 | 490 | 16-22 | 16-26 | 16-30 | 1037 |
| 400 | 914 | 565 | 580 | 620 | 515 | 525 | 550 | 16-26 | 16-30 | 16-33 | 1264 |
| 450 | 978 | 615 | 640 | 670 | 565 | 585 | 600 | 20-26 | 20-30 | 16-36 | 1294 |
| 500 | 978 | 670 | 715 | 730 | 620 | 650 | 660 | 20-26 | 20-33 | 20-36 | 1324 |
| 600 | 1150 | 780 | 840 | 845 | 725 | 770 | 770 | 20-30 | 20-36 | 20-39 | 1600 |
| 700 | 1300 | 895 | 910 | 960 | 840 | 840 | 875 | 2430 | 24-36 | 24-42 | 1750 |
| 800 | 1450 | 1015 | 1025 | 1085 | 950 | 950 | 990 | 2433 | 24-39 | 24-48 | 1900 |
Typical Installation
