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500X Pressure Relief Or Sustaining valves
Position: valves seriess > Water Control valves


Product Simple Specification
 

The valves instantly opens when the pressure in the pipeline exceeds the preset safe level, thus relieving excessive pressure from the pipeline. When the pressure returns to normal, the valves closes slowly, at an adjustable speed.The valves also can be used to sustain upstream pressure to a preset pressure value.


Product Specification
 

The 500X pressure release/maintenance valves is mainly used in fire fighting or other water supply systems to prevent the occurrence of overpressureor maintain the pressure of a fire fighting water supplysystem. After the fire pump is shut down, the valves can also serve to reduce the impact caused by water hammer. It can also be used as the water hammer eliminating device in large water supply systems.The valves utilizes a self-cleaning screen installed at the inlet of the valves control system, so suspended particles of relatively big specific gravities and diameters can not enter the control system.This guarantees the smooth and unobstructed circulation of the system, thereby ensuring the safe and reliable operation of the valves. With the help of the valves, the system, suitable for 600 caliber or below pipes, is able to operate smoothly, high in strength and offer a long service life.


The Main Appearance Connects Size ~units~mm
DN L D D1 D2 Z-~d A1 A H1 H
PN10 PN16 PN25 PN10 PN16 PN25 PN10 PN16 PN25 PN10 PN16 PN25
50 203 165 165 165 125 125 125 102 102 99 4-~18 4-~18 4-~18 134 343 516 88
65 216 185 185 185 145 145 145 122 122 118 4-~18 4-~18 8-~18 141 355 520 97
80 241 200 200 200 160 160 160 133 133 132 8-~18 8-~18 8-~18 146 360 537 105
100 292 220 220 235 180 180 190 158 158 156 8-~18 8-~18 8-~18 156 400 596 120
125 330 250 250 270 210 210 220 184 184 184 8-~18 8-~18 8-~18 170 420 653 135
150 356 285 285 300 240 240 250 212 212 211 8-~18 8-~18 8-~18 186 435 709 160
200 495 340 340 360 295 295 310 268 268 274 8-~22 12-~26 12-~26 206 480 805 190
250 622 395 405 425 350 355 370 320 320 330 12-~22 12-~26 12-~26 226 530 855 240
300 698 445 460 485 400 410 430 370 370 389 12-~2 12-~26 12-~26 246 575 953 270
350 787 505 520 555 460 470 490 430 430 448 16-~22 16-~26 16-~26 275 620 990 300
400 960 565 580 620 515 525 550 482 482 503 16-~26 16-~30 16-~30 286 668 1030 335
450 1000 615 640 670 565 585 600 532 545 548 20-~26 20-~30 20-~30 286 668 1055 360

Main Technical Feature
Nominal Pressure 1.0MPA 1.6MPA 2.5MPA
Test pressure of the shell 1.5MPA 2.4MPA 3.75MPA
Sealed test pressure 1.1MPA 1.76MPA 2.75MPA
Suitable temperature ≤80℃
Suitable medium water

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