
Valve Seriers - Water Power Control Valves Seriers
PRESSURE-REDUCING VALVE EN200X
A. PRESSURE-REDUCING VALVE Structure and purpose
EN200X Pressure-Reducing Valve utilizes the self-energy of the medium to adjust the pipeline pressure and control the outlet pressure of the main valve through adjusting the pressure reducing of pilot valve. The outlet pressure does not change along with the variation of the inlet one and the water quantity of the outlet. It features by reliable performance, easy installation, maintenance, debugging and check, long duration.
B. PRESSURE-REDUCING VALVE Brief Figure of Structure




1. Float Ball Pilot Valve
2. Ball Valve
2. Ball Valve
3. Needle Valve
1. Pilot Valve
2. Ball Valve
2. Ball Valve
3. Needle Valve
C. PRESSURE-REDUCING VALVE External and Connection Dimensions

D. PRESSURE-REDUCING VALVE Schematic Diagram of Installation
| DN(mm) | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | 700 | 800 | |
| L | 180 | 180 | 180 | 203 | 203 | 235 | 285 | 360 | 400 | 455 | 585 | 650 | 800 | 860 | 915 | 980 | 1075 | 1230 | 1300 | 1450 | |
| PN10 | D | 105 | 115 | 135 | 145 | 160 | 180 | 195 | 215 | 245 | 280 | 335 | 390 | 440 | 500 | 565 | 615 | 670 | 780 | 895 | 1010 |
| D1 | 75 | 85 | 100 | 110 | 125 | 145 | 160 | 180 | 210 | 240 | 295 | 350 | 400 | 460 | 515 | 565 | 620 | 725 | 840 | 950 | |
| PN16 | D | 105 | 115 | 135 | 145 | 160 | 180 | 195 | 215 | 245 | 280 | 335 | 405 | 460 | 520 | 580 | 640 | 705 | 840 | 910 | 1020 |
| D1 | 75 | 85 | 100 | 110 | 125 | 145 | 160 | 180 | 210 | 240 | 295 | 355 | 410 | 470 | 525 | 585 | 650 | 770 | 840 | 950 | |
| PN25 | D | 105 | 110 | 135 | 145 | 160 | 180 | 195 | 230 | 270 | 300 | 360 | 425 | 485 | 550 | 610 | 660 | 730 | 840 | 955 | 1070 |
| D1 | 75 | 85 | 100 | 110 | 125 | 145 | 160 | 190 | 220 | 250 | 310 | 370 | 430 | 490 | 550 | 600 | 660 | 770 | 875 | 990 | |
| H | 342 | 342 | 342 | 395 | 395 | 405 | 430 | 510 | 560 | 585 | 675 | 730 | 760 | 840 | 910 | 1030 | 1135 | 1270 | 1460 | 1640 | |
| H1 | 247 | 247 | 247 | 278 | 278 | 298 | 313 | 350 | 365 | 420 | 450 | 470 | 490 | 526 | 570 | 610 | 665 | 725 | 865 | 975 | |
Note: Either elastic seat ring sealed gate valve or butterfly valve can be selected in the schematic of installation. Recommend to select the butterfly valve in case of =DN350
E. PRESSURE-REDUCING VALVE Main Technical Features
| Nominal Pressure | 1.0MPa | 1.6MPa | 2.5MPa |
| Shell test pressure | 1.5MPa | 2.4MPa | 3.75MPa |
| Sealed test pressure | 1.1MPa | 1.76MPa | 2.75MPa |
| Suitable temperature | ≤80℃ | ||
| Suitable medium | water | ||
The technical data subject to amend without notice