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Pump Control Valves

700X Features 700X pump control valve is installed at the pump's outlet in high building and other feeding system to prevent fluid flowing backwards. Before the pump stops, the valve closes 90% or so ahead to prevent water hammering and water hitting at the pump's instant stop; after the pump completely stops, the valve closes fully to prevent fluid flowing backwards at the outlet of the pump to protect the pump and prevent it from turning backwards due to backward flow of the fluid. This is necessary protection equipment for the pump. It is flow-line designed and it can open or close to electric-magnetic valve's pilot. It is safe to use and it is easy to install and to maintain this kind of valve.

Supplier: Saitai Valve, China
Manufacturer: Shop in Shanghai Qingpu Industrial Park

Pump Control Valves
Pump Control Valves

1. Needle Valve
2. Check Valve
3. Stroke Switch
4. Solenoid Valve
5. Check Valve

JD745X Features

JD745X pump control valve is mounted on the water pumps outlet pipeline of the high buildings and other water supply systems to prevent of the mediums back-flow and the water hammer and water shock.
JD745X pump control valve has good effect of water hammer removal. Integrating the technical principles of water hammer removal by means of slow open, quick close and slow close, so as to prevent of the water hammers at both pump start and stop.
Easy operation. The valve will open or close automatically as per the operation procedures of the pump, once operates the On-Off button of the pumps motor.
 Good effect of energy saving. The valve body is designed as full-path straight-flow type, resulting in small pressure loss, big flow, small volume and light weight.

pump Control Valves with Diaphragm actuated

Diaphragm actuated
1. Strainer
2. Small Ball Valve
3. Strainer
4. Small Ball Valve

pump Control Valves with Piston actuated

Piston actuated
1. Strainer
2. Small Ball Valve
3. Strainer
4. Small Ball Valve

Technical Parameters

Nominal Pressure: 1.0, 1.6, 2.5MPa
Shell test pressure: 1.5, 2.4, 3.75MPa
Sealed test pressure : 1.1, 1.76, 2.75MPa
Suitable temperature: 80
Suitable medium: water, Sewage

Materials
Materials: Pump Control Valves
No. Part Material
1 Plug Alloy Bronze
2 Body Cast Iron (GG25, HT200) / Ductile Iron (GG40, QT)
3 Seat 2Cr13 / SS 304 / SS 316
4 O-Ring NBR
5 O-Ring NBR
6 O-Ring Retainer Cast Iron
7 Stem 2Cr13 / SS 304 / SS 316
8 Disc Cast Iron (GG25, HT200) / Ductile Iron (GG40, QT)
9 Diaphragm Rubber
10 Diaphragm washer Cast Iron
11 Nut Alloy Bronze
12 Ball valve Alloy Bronze
13 Spring Stainless steel
14 Cover Cast Iron (GG25, HT200) / Ductile Iron (GG40, QT)
15 Pilot socket Alloy Bronze
16 Solenoid valve Alloy Bronze
17 One-way valve Alloy Bronze
18 On/Off  
19 Yoke Steel
20 Limitation piece Alloy Bronze
21 Plug Alloy Bronze
22 Metering 2Cr13
23 One-way valve Alloy Bronze
24 Needle Valve Alloy Bronze
25 Nut Steel
26 Screw Steel
27 Ball valve Alloy Bronze
28 Pressure Gauge  
29 Connection Pipe Alloy Bronze
Dimensions 700X
DNmm 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600 700 800
L 180 180 180 203 203 235 280 360 400 455 585 650 800 860 915 980 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 1070 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
JD745X
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 4-18 293
65 216 185 185 185 145 145 145 4-18 4-18 8-18 328
80 250 200 200 200 160 160 160 8-18 8-18 8-18 364
100 320 220 220 235 180 180 190 8-18 8-18 8-22 418
125 365 250 250 270 210 210 220 8-18 8-18 8-22 481
150 415 285 285 300 240 240 250 8-22 8-22 8-26 543
200 500 340 340 360 295 295 310 8-22 12-22 12-26 673
250 605 395 405 425 350 355 370 12-22 12-26 12-26 792
300 698 445 460 485 400 410 430 12-22 12-26 12-30 927
350 787 505 520 555 460 470 490 16-22 16-26 16-30 957
400 914 565 580 620 515 525 550 16-26 16-30 16-33 1188
450 978 615 640 670 565 585 600 20-26 20-30 16-36 1218
500 978 670 715 730 620 650 660 20-26 20-33 20-36 1256
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 700X
Typical Installation of 700X
J745X
Typical Installation of J145X
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Catalog:Automatic Control Valves

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