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DHF Slurry Pump

1. According to the structural form, it is divided into vertical and horizontal structures, all using double pump shell structure.
2. High efficiency, wear-resistant, stable performance, strong interchangeability of parts, lining and impeller materials can be made of wear-resistant metal or rubber.
3. Horizontal structure with small installation space, can transport more flow and higher lift slurry
4. The transmission mode can be directly connected or belt driven.
The direction of rotation of the pump is clockwise from the driving end.

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Parameters and Selection

50DF

75DF

100DF

150DF

200DF

Model

50DF

Capacity

4.3~51 m³/h

Head(TDH)

6.2~30.2 m

Allowable Max. Power

15 kW

Speed

800~1800 r/min

NPSH

Max. Efficiency

20~45%

Model

75DF

Capacity

10.8~149.4 m³/h

Head(TDH)

6.5~29.5 m

Allowable Max. Power

20 kW

Speed

700~1500 r/min

NPSH

Max. Efficiency

20~55%

Model

100DF

Capacity

10.8~212 m³/h

Head(TDH)

6.8~29.2 m

Allowable Max. Power

40 kW

Speed

500~1050 r/min

NPSH

Max. Efficiency

20~55%

Model

150DF

Capacity

36~425 m³/h

Head(TDH)

6.8~25.2 m

Allowable Max. Power

75 kW

Speed

350~680 r/min

NPSH

Max. Efficiency

20~55%

Model

200DF

Capacity

230~670 m³/h

Head(TDH)

5~24.8 m

Allowable Max. Power

75 kW

Speed

350~680 r/min

NPSH

Max. Efficiency

20~55%

Application and Reference

Used in flotation process, it is an ideal pump for conveying foamy slurries.

Typical Application:

★ Iron ore sorting plant
★ Copper concentrator
★ Gold concentrator
★ Molybdenum concentrator
★ Potash plant
★ Other mineral processing plants
★ Other industries

DHF slurry pump structure

DHF 3D Structure

The axially split pump casing is used for pressure bearing and the inner lining is wear-resistant. The metal inner lining has a certain taper in the matching section to ensure accurate alignment during assembly and to ensure that the parts are easy to disassemble or replace. The cast impeller thread is more suitable for slurry pump conditions, and the back blade reduces the sealing pressure and can minimize backflow.

Bearing Assembly

The pump shaft has a large diameter and a heavy-duty cylindrical structure, which is small in size and occupies a small area. Grease lubrication is adopted, so there is no risk of oil leakage, the maintenance is minimal, the rotor is easy to adjust, and it can be used in series.


Packing Seal	Expeller Seal

Packing seal: conventional shaft seal, suitable for various working conditions, can be equipped with special materials such as polytetrafluoroethylene packing, graphite packing, etc., for corrosive or high temperature conditions. Can be equipped with spray-welded ceramic sleeve, suitable for strong abrasive conditions.

Auxiliary impeller dynamic seal: use the pressure seal generated by the impeller and the auxiliary impeller in series, and the packing or lip seal ring is used as the parking seal.

Mechanical seal: internationally leading sealing technology, leak-free sealing effect. Containerized structure, easy installation and replacement, different structural forms are suitable for different working conditions. The friction pair material is made of high-hardness ceramic and alloy materials. The design and matching of mechanical seal and sealing box conform to the flow state of the medium, so it has high wear resistance and shock resistance, and can ensure customer satisfaction under various harsh working conditions.

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