Shijiazhuang Neibuyeluo Import and Export Trading Co.,LTD
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12 Inch River Sand Dredging High Chrome Material Centrifugal Large Capacity OEM Sand Dredging Pump
Construction of Gravel Pump:
Construction of Gravel Pump is of single casing connected by means of clamp bands and wide wet passage. The wet parts are made of Ni hard and high chromium abrasion-resistance alloys. The discharge direction of punp can be oriented in any direction of 360 degree. This type of pump possesses the advantages of easy installation and operation, good performance of NPSH and abrasion resistance.
| Metal Pumps Material | |||||
| No | Part | Material | No | Part | Material |
| 1 | Base | Cast Iron | 1 | Base | Cast Iron |
| 2 | Shaft | 4140 High Tensile Steel* | 2 | Shaft | 4140 High Tensile Steel* |
| 3 | Bearing Assembly | Timken (Cast Iron Body) | 3 | Bearing Assembly | Timken (Cast Iron Body) |
| 4 | Shaft Sleeve | 420 Stainless Steel | 4 | Shaft Sleeve | 420 Stainless Steel |
| 5 | Pump Casing | Cast Iron | 5 | Pump Casing | Cast Iron |
| 6 | Frame Plate Liner Insert | Rubber | 6 | Frame Plate Liner | 27% Chrome White Iron |
| 7 | Cover Plate Liner | Rubber | 7 | Volute Liner | 27% Chrome White Iron |
| 8 | Impeller | Rubber Coated High Tensile Steel | 8 | Impeller | 27% Chrome White Iron |
| 9 | Throat Bush | Rubber | 9 | Throat Bush | 27% Chrome White Iron |
| 10 | Cover Plate | Cast Iron | 10 | Joint Rings | Rubber |
| 11 | Stuffing Box | Cast Iron | 11 | Cover Plate | Cast Iron |
| 12 | Expeller | 27% Chrome White Iron | 12 | Stuffing Box | Cast Iron |
| 13 | Expeller Ring | Natural Rubber | 13 | Expeller | 27% Chrome White Iron |
| 14 | Bolts | Zinc Plated Steel | 14 | Expeller Ring | Natural Rubber |
The advantage of G sand /gravel pumps
| 1 | Large drdging depth, high density of dredging mud, good NPSH and stronger suction lift ability |
| 2 | Strong through-put. The pump can persistently discharge gravel, high plastic soil lump and so on |
| 3 | The pump can be directly matched with either motor or diesel engine |
| 4 | Wide application. It can be used in various kinds of soil quality. |
| 5 | Little hydraulic loss, high efficiency and low oil-consumption |
Application
Dredging
• Sand and Gravel Handling
• Solid handling
• Wet sand suction
• Coal-washing plant
• Fine tailing
• Mineral sands
• Marine dredging