Name Multi-Purpose Water Pump Control Valve

Type JD745XJH745X

Nominal Diameter DN40800

Pressure Class 1.0MPa2.5MPa

Suitable Temperature 80

Suitable Medium Clean Water,Oil Products

Material Cast Iron,Cast Iron,Ductile Iron
 
 
 
 

Construction and use

This valve mainly consists of main valve(1), adjusting valve (2)and filter(3),it is applied in the pump supplying&draining system of mine, enterprise and high building, and covers the function of stop, check, motorized valve and water hammer suppressor. Specially, it is applied in automatization water-lifting control system, no meeding electric monitor and outside power, can automatically start and shut, has the function to prevent and eliminate the water hammer by quick shutting, slow shutting and suction chest,and efficiently raises the sucurity of system, which meets the automatization control request of system engineering equipment.

Main technique parameter

Nominal pressure 1.0MPa 1.6MPa 2.5MPa
Shell test pressure 1.5MPa 2.4MPa 3.75MPa
Seal test pressure 1.1MPa 1.76MPa 2.75MPa
Work temperature 80
Water hammer peak times
Lowest action pressure P10.07MPa
Slowly shutting time 3~120S
Pressure loss 0.03MPa
Suitable medium Clean water,oil

NO-minal diameter Dimensions[MM]
L D D1 D2 b Z-d H
40 240 145 110 85 18 4-18 270
50 240 160 125 100 20 4-18 270
65 270 180 145 120 20 4-18 340
80 300 195 160 135 22 4-18 400
100 350 215 180 155 22 8-18 440
125 400 245 210 185 24 8-18 460
150 480 280 240 210 24 8-23 500
200 500 335 295 265 26 8-23 640
250 605 390 350 320 26 12-23 690
300 700 440 400 368 28 12-23 820
350 800 500 460 428 30 16-23 950
400 900 565 515 482 32 16-23 1150
500 1100 670 620 585 34 20-25 1550
600 1300 780 725 685 36 20-30 1600
700 1400 895 840 800 40 24-30 1750
800 1500 1010 950 905 44 24-34 1900

No-minal diameter Dimensions[MM]
L D D1 D2 b Z-d H
40 240 145 110 85 18 4-18 270
50 240 160 125 100 20 4-18 270
65 270 180 145 120 20 4-18 340
80 300 195 160 135 22 8-18 400
100 350 215 180 155 24 8-18 440
125 400 245 210 185 26 8-18 460
150 480 280 240 210 28 8-23 500
200 500 335 295 265 30 12-23 640
250 605 405 355 320 32 12-25 698
300 700 460 410 375 34 12-25 830
350 800 520 470 435 38 16-25 970
400 900 580 525 485 40 16-30 1178
500 1100 705 650 608 46 20-34 1580
600 1300 840 770 718 54 20-41 1640
700 1400 910 840 788 54 24-41 1783
800 1500 1020 950 898 54 24-41 1920

NO-minal diameter Dimensions[MM]
L D D1 D2 b Z-d H
40 240 145 110 85 18 4-18 270
50 240 160 125 100 20 4-18 270
65 270 180 145 120 22 8-18 340
80 300 195 160 135 22 8-18 400
100 350 230 190 160 24 8-23 460
125 400 270 220 188 28 8-25 485
150 480 300 250 218 30 8-25 516
200 500 360 310 278 34 12-25 662
250 605 425 370 332 36 12-30 715
300 700 485 430 390 40 16-30 845
350 800 550 490 448 44 16-34 990
400 900 610 550 505 48 16-34 1205
500 1100 730 660 610 52 20-41 1600
600 1300 840 770 718 56 20-41 1670
700 1400 955 875 815 60 24-48 1805
800 1500 1070 990 930 64 24-41\8 1950

 
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