ZW Self-Priming Sewage Pump

ZW100-100-15 Self-Priming Sewage Pump and Troubleshooting

Name: ZW100-100-15 Self-Priming Sewage Pump and Troubleshooting
Brand: Haquan
SKU: ZW100-100-15

Model: ZW100-100-15

ZW100-100-15: 100 m³/h at 15 m on 7.5 kW, 1450 r/min, DN100/DN80. With the fault table from our catalogue.

Specifications

Flow Rate	100m³/h
Head	15m
Power	7.5kW
Inlet / Outlet Diameter	100 / 80mm
Material	Cast iron (standard); stainless steel on request

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Product Overview

ZW100-100-15 moves 100 m³/h at 15 m on a 7.5 kW four-pole motor. Large flow at low head makes it a common choice for drainage and transfer. Here is the fault table from our catalogue, which applies to every ZW pump.

Fault	Likely cause	Remedy
No water	No or too little liquid in the casing; air leak on the suction pipe; low voltage; suction lift too high or suction pipe too long; heavy mechanical seal leak	Fill the casing; seal the leak; correct the voltage; lower the pump or shorten the pipe; repair or replace the seal
Too little water	Impeller or suction pipe blocked; impeller badly worn; speed too low	Clear the blockage; replace the impeller; restore rated speed
Noise or vibration	Base not firm; bearings worn; pump and motor shafts out of line	Secure the base; replace the bearings; realign
Hot bearings	Grease degraded or dry; bearing damaged	Replace the grease; replace the bearing
Leaks	Loose bolts; worn seals	Tighten; replace the seals

Seals, bearings and impellers ship within 2 working days.

Technical data

Item	ZW100-100-15
Flow	100 m³/h
Head	15 m
Motor power	7.5 kW
Speed	1450 r/min
Efficiency	50 %
NPSHr	4.0 m
Self-priming height	5.5 m
Self-priming time	3 min per 5 m
Suction / discharge	DN100 / DN80
Weight	300 kg

Installation dimensions (mm)

The pump, coupling and motor are mounted on a common base. L is the overall length; L1 to L4 are base lengths; a and f locate the outlet; B1 and B2 are the base widths; H is the shaft centre height; h1 and h2 are the heights of the suction and discharge flanges; h3 is the base thickness.