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WQ series submersible sewage pump is mainly used for municipal works, industrial buildings, hotels, hospitals, civil air defence, mines etc. Applied to drain off the sewage, waste water, rainwater and living water in cities containing solid grains and various long fabrics.
1. The medium temperature should not be over 40·c, the density should be less than 1200kg/m3, and the PH value is within5-9.
2. During running, the pump must not be lower than the lowest liquid level, see "▼ lowest liquid level" in the drawing of installation dimensions ▼ means lowest liquid level without automatic cooling system.
3. The maximum diameter of the solid grain going through the pump should not be larger than 50% of that of the pump outlet.
For example: 50(JY)WQ 15-8-1.1