Dredge Gate Valve
Application
A dredge gate valve is a specialized type of valve used in dredging operations to control the flow of water and materials through pipelines. It is typically installed in the discharge pipeline of a dredger, allowing for the regulation of material discharge and water flow during dredging activities. The dredge gate valve is designed to withstand the harsh conditions encountered in dredging operations. It is typically made from durable materials such as cast iron or steel to provide strength and resistance to corrosion. The valve is equipped with a gate or blade that can be raised or lowered to control the flow of materials.
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Features
1. Dredge gate valves are developed according to the specific requirements of pipe used for dredger.
2. Dredge gate valves drived by hydraulic, cylinder and sealed by rubber.
3. Stainless steel dredge gate and heat-affected valve body.
4. Simple structure, high resistance pressure and reliable seal.
5. Main mediums are sewage, water and oil.
6. Types:switch type and continous display type.
7. Dimensions range from DN300mm to DN1400mm.
8. Pressure up to 2.5Mpa.
Material
1. Hydraulic cylinder: body steel 45, piston rod 1Cr17Ni2
2. Valve body: Q235,16Mn.
3. Valve gate: stainless steel.
4. Seal: NBR, NR.
5. Fastener: Q235, Steel45, Stainless steel.
Drawing of Dredge Gate Valve
Technical Parameter
1. Working Pressure PN≤1.6Mpa
DN
H1(mm)
H2(mm)
b(mm)
d(mm)
K(mm)
D(mm)
n-Th
300
296
1628
478
240
400
460
12-M24
350
321
1753
528
240
460
505
16-M24
400
351
1928
568
260
515
565
16-M24
450
381
2048
618
260
565
615
16-M24
500
420
2203
670
270
620
670
20-M24
550
445
2348
720
270
675
730
20-M24
600
470
2483
770
280
725
780
20-M27
650
495
2765
830
280
785
835
20-M27
700
525
2955
900
318
840
895
24-M27
750
575
3088
940
340
890
965
24-M30
800
600
3258
1006
348
950
1050
24-M30
850
620
3385
1106
348
1000
1065
24-M30
900
665
3543
1126
388
1050
1115
28-M30
950
715
3700
1170
400
1105
1185
28-M30
1000
740
3965
1240
436
1180
1255
28-M33
1100
785
4280
1350
436
1270
1340
32-M33
1200
845
4550
1450
478
1380
1455
32-M36
1300
910
4900
1560
819
1485
1575
36-M36
1400
965
5200
1670
819
1590
1675
36-M42
2.Working Pressure PN≤2.5Mpa
DN
H1(mm)
H2(mm)
b(mm)
d(mm)
K(mm)
D(mm)
n-Th
300
350
1518
478
386
430
485
16-M24
350
370
1718
528
386
490
550
16-M24
400
380
1918
568
428
550
620
16-M27
450
405
2118
618
428
600
655
20-M27
500
440
2268
670
456
660
725
20-M30
550
470
2388
720
456
710
775
20-M30
600
485
2520
770
480
770
840
20-M33
650
525
2808
830
486
820
895
20-M33
700
565
3013
900
540
875
945
24-M33
750
750
3005
940
580
925
995
24-M33
800
625
3335
1006
600
990
1065
24-M36
850
645
3430
1106
600
1040
115
24-M36
900
695
3638
1126
670
1090
1165
28-M36
950
735
3790
1170
678
1140
1215
28-M36
1000
780
4100
1240
748
1210
1295
28-M42
1100
830
4380
1350
748
1320
1415
32-M42
1200
890
4600
1450
819
1420
1515
32-M42
1300
965
5000
1560
819
1530
1630
36-M42
1400
1025
5400
1670
819
1640
1760
36-M48
Image of Dredge Gate Valve
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