NBB-260/7A Pump Is mainly used for supplying flushing fluid to the borehole in core

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NBB-260/7A pump is mainly used for supplying flushing fluid to the borehole in core, coalfield geology, metallurgical geology, hydrogeology engineering drilling process. The fluid can be divided into mud, water, etc. It also can be used as transfer pump of the above mentioned medium.

Structure Features

1.Horizontal triplex single-acting piston pump

2.Crank connecting rod structure

3.Lip-shaped, self-sealing piston, which is made of rubber or PTFE and nylon pads

4.Adopting auto gearbox which makes it have five kinds of flow rate

5.Compact structure, high efficiency, durable and long life, safe and reliable, easy maintenance, low maintenance costs.

Main Technical Parameters

Nominal Flow Rate           (L/min)

260  167   106   60   35

Nominal Pressure              (MPa)

7     10

Max Pressure                 (MPa)

8     12

ID of Suction Pipe             (mm)

Φ89

ID of Discharge Pipe          (mm)    

Φ50

Piston Stroke                (mm)

100

Piston Diameter               (mm)

Φ85

Matching Power              (kw)      

45

Overall Dimensions(L×W×H) (mm)        

2910×1318×891

Weight  (include power)        (kg)              

2177


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