Submersible Axial Flow Pump

Submersible axial flow pump in heavy duty mining 

Model:  350QH-50/30KW

Outlet size：DN350 (14inch)

Flow: 700m3/h

Head: 8.5m

Power: 30kw

Speed: 1450rpm

Voltage/frequency: 400v/50hz/3phases

Material:

Pump casing: cast iron                    

Impeller:  cast iron                 

Shaft: 40Cr

Cable length: 10m

Installation of Suction and Discharge Pipes

1.Suction Pipe:according to the outline drawing in the booklet. The 

 smallest depth of the pump under the water should be bigger

 than the datum in the drawing.

2.Discharge:flap valve and other methods.

3.Installation:QZ series are suitable for elbow cantilever installation,well cantiever installation and concrete well canti- lever installation. Our company will supply whole set of steel 

 well pipe for elbow cantilever and well cantilever install- ation. For concrete well cantilever installation, our comp- any wi ll pr ovid e cover and brackets. LZ and JZ series have open or shut installation. The length of cardon shaft can be made according to different requirements of customers.

Motor

1. Submersible Motor(QZ series)

 Power class:electric performance meets GB755 

 Protection class:IP68

 Cooling system:ICWO8A41

 Basic installation type: IM3013

 Voltage: up to 355kw, 380V 600V 355KW, 380V 600V

 6kv, 10kv

 Insulation class: F

 Rated power: 50Hz

 Length of cable: 10m

Shaft Seal

 This type has two or three mechanical seals. The firs t sea l,which contacts water, is usually made of carbon silicon and carbon silicon. The second and third are usually made of graphite and carbon silicon.

Leakage Protection

QZ QH series has leakage protection sensor. When the oil house of motor or the wire-box is leeking, sensor will give out warning or stop working and maintain the signal.

Overheat Protector

The winding of QZ series submersible motor has overheat protector. When it is overheated, warning will be given out or the motor will stop working 

Rotating Direction

 Looking from upper side, the impeller is rotating clockwise