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DG Series Gravel Pump

DG Series Gravel Pump
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Description



Discharge Diameter: 100-550mm
Capacity: 60-1060m3/h
Head: 10-110m

Slurry Pumps

The construction of this DG series gravel pump is single-stage, single-suction, cantilevered and horizontal. This is a single casing pump. According to the driving type, it can be classified into two kinds of typical structures: self- carrying bracket type, and gear box with pump together. Lubricating type can adopt grease or oil lubrication. The gravel pumps are mainly used for continuous handling of the strong abrasive medium which contains too big solid to be pumped by a common pump. Type GH pumps are high head gravel pumps. The pump wet parts are made of Ni-hard and high chromium wear-resistant alloy materials.The direction of rotation of the pump is clockwise, viewing from the drive end.

Applications of the Single Casing Pump

The mining gravel pump is used for river course, reservoir desalting, coastal reclamation, stretching, deep-sea mining and tailing acquisition etc.


Features of DG Series Gravel Pump


1. The structure of this DG series gravel pump is mainly single-casing and horizontal. The outlet direction can be positioned 360°, easy to install.
2. Shaft Components adopt cylinder structure, which is convenient to adjust the gap between impeller and front wearing plate. The shaft uses grease lubrication.
3. Shaft Seal: expeller drive seal, packing seal, and Mechanical seal.
4. Broad Flow Passage & Good Anti-Cavitation Property & Highly Efficient Wear Resistance.
5. Driving Method: V Belt Drive, Elastic Shaft Coupling Transmission, Gear Box Drive, Fluid Coupling Transmission, Variable Frequency Drive Device and Thyristor Speed Control.
6. The wet parts are made of Ni-hard and high-chrome wear-resistant alloys with good anti-corrosive property.
7. Variable speeds and modals to ensure smooth operation. Additionally, Long service life and high operation efficiency offer reliable performance in a tough operating environment.


Selection Chart


Slurry Pumps

Performatic patameter

Parameter

Type Capacity(Q) Head(H) Speed(n) Max. Eff. NPSH Suction Dia. Discharge Dia. Max. Particle Size Allowed Weight
(m³/h) (l/s) (m) (r/min) (%) (m) (mm) (mm) (mm) (kg)
DG150X100-D 36~252 10~70 3.5~51 600~1400 30~50 2.5~3.5 150 100 82 460
DG200X150-E 137~576 38~160 10~48 800~1400 50~60 3~4.5 200 150 127 1120
DG250X200-S 216~979 60~272 13~50 500~1000 45~65 3~7.5 250 200 178 2285
DG300X250-G 360~1512 100~420 11~58 400~850 50~70 2~4.5 300 250 220 4450
DG350X300-G 504~3168 140~880 6~66 300~700 60~68 2~8 350 300 240 5400
DG450X400-T 864~3816 240~1060 9~48 250~500 60~72 3~6 450 400 254 10800
DG250X200H-S 396~1296 110~360 10~80 500~950 60~72 2~5 250 200 180 3188
DG300X400H-T 612~2232 170~620 28~78 350~700 60~72 2~8 300 250 210 4638
DG400X350H-TU 720~3600 200~1000 20~72 300~500 60~72 3~6 400 350 230 12250
Installation Dimension

Slurry Pumps Slurry Pumps
Modal Outline Dimension
A B C D E F G D1 E1 G1 H Y I N-d L M N
DG150X100-D 1006 492 432 213 38 75 289 - - - 54 164 65 4-Ф22 330 203 260
DG200X150-E 1286 622 546 257 54 83 365 - - - 75 222 80 4-Ф29 392 295 352
DG250X200-S 1720 920 760 - - - - 640 70 780 90 280 120 4-Ф35 378 330 416
DG300X250-G 2010 1207 851 - - - - 749 64 876 152 356 140 4-Ф41 473 368 522
DG350X300-G 2096 1207 851 - - - - 749 64 876 152 356 140 4-Ф41 502 424 610
DG450X400-T 2320 1150 900 - - - - 880 80 1040 125 350 150 4-Ф48 538 439 692
DG250X200H-S 1774 920 760 - - - - 640 70 780 90 280 120 4-Ф35 455 330 475
DG300X400H-T 2062 1219 851 - - - - 749 64 876 152 356 140 4-Ф41 496 400 605
DG400X350H-TU 2367 1460 1200 - - - - 860 95 1050 150 350 150 4-Ф70 649 448 765
Modal Outline Dimension Intake Flange Dimension Outlet Flange Dimension Weight
P Q R S T U V W D0 D2 n-d1 n0 n2 n-d2
DG150X100-D 330 343 33 32 16 - 8 5 305 260 8-Ф19 254 210 4-Ф19 460
DG200X150-E 457 405 29 29 54 - 6 8 368 324 8-Ф19 305 260 8-Ф19 1120
DG250X200-S 450 533 48 41 - 102 8 6 457 406 8-Ф22 368 324 8-Ф19 2285
DG300X250-G 851 665 48 49 238 - 10 8 527 470 12-Ф22 457 406 8-Ф22 4450
DG350X300-G 851 787 48 48 121 - 8 10 552 495 8-Ф22 527 470 12-Ф22 5400
DG450X400-T 650 921 64 64 - 274 8 10 705 641 16-Ф25 640 584 12-Ф25 10800
DG250X200H-S 450 620 48 42 - 206 8 6 457 406 8-Ф22 368 324 8-Ф19 3188
DG300X400H-T 851 800 60 60 40 - 10 8 533 476 8-Ф29 483 432 8-Ф25 4638
DG400X350H-TU 900 1008 72 82 - 120 8 10 650 600 12-Ф28 600 540 12-Ф28 12247









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