ZW Self-Priming Sewage Pump

ZW50-15-30 Self-Priming Sewage Pump: Cast Iron, Stainless or Ex

Name: ZW50-15-30 Self-Priming Sewage Pump: Cast Iron, Stainless or Ex
Brand: Haquan
SKU: ZW50-15-30

Model: ZW50-15-30

ZW50-15-30: 15 m³/h at 30 m, 3 kW. The model used as the catalogue example; how to order it in stainless or with an Ex motor.

Specifications

Flow Rate	15m³/h
Head	30m
Power	3kW
Inlet / Outlet Diameter	50 / 40mm
Material	Cast iron (standard); stainless steel on request

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Product Overview

Our catalogue uses 50ZW15-30PB to explain the model code, so this pump is a good place to show the build options. The hydraulics are fixed: 15 m³/h at 30 m on 3 kW, DN50 suction and DN40 discharge.

Version	Code	Use it for
Cast iron, standard motor	50ZW15-30	Most sewage and wastewater, pH 6 to 9
Stainless steel	50ZW15-30P	Corrosive liquids, pH 2 to 13
Cast iron, explosion-proof motor	50ZW15-30B	Areas where flammable gas or vapour may be present
Stainless steel, explosion-proof motor	50ZW15-30PB	Both of the above

If you are not sure which build you need, describe the liquid and the site. We would rather supply stainless or an explosion-proof motor when it is needed than see a pump fail early.

Technical data

Item	ZW50-15-30
Flow	15 m³/h
Head	30 m
Motor power	3 kW
Speed	2900 r/min
Efficiency	48 %
NPSHr	2.5 m
Self-priming height	5.5 m
Self-priming time	3 min per 5 m
Suction / discharge	DN50 / DN40
Weight	120 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.