ZW Self-Priming Sewage Pump

ZW32-10-20 Self-Priming Sewage Pump, 10 m³/h at 20 m

Name: ZW32-10-20 Self-Priming Sewage Pump, 10 m³/h at 20 m
Brand: Haquan
SKU: ZW32-10-20

Model: ZW32-10-20

ZW32-10-20: 10 m³/h at 20 m, 2.2 kW, DN32 flanges. How it compares with the other 2.2 kW ZW pumps on the same base.

Specifications

Flow Rate	10m³/h
Head	20m
Power	2.2kW
Inlet / Outlet Diameter	32 / 32mm
Material	Cast iron (standard); stainless steel on request

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Product Overview

Seven ZW models share the same 2.2 kW motor and the same 850 mm base. They differ in flow, head and port size. ZW32-10-20 sits in the middle: 10 m³/h at 20 m through DN32 flanges.

Model	Flow (m³/h)	Head (m)	Power (kW)	Speed (r/min)	Inlet / outlet (mm)
ZW25-8-15	8	15	2.2	2900	25 / 25
ZW32-5-20	5	20	2.2	2900	32 / 32
ZW32-10-20	10	20	2.2	2900	32 / 32
ZW40-10-20	10	20	2.2	2900	40 / 32
ZW40-20-15	20	15	2.2	2900	40 / 32
ZW50-10-20	10	20	2.2	2900	50 / 40
ZW50-20-12	20	12	2.2	2900	50 / 40

Notice that ZW32-10-20, ZW40-10-20 and ZW50-10-20 have the same rated duty. The difference is the suction size. Choose the one that matches your existing pipework, or the larger inlet if the liquid carries bigger solids, since the passage size follows the port.

If your duty needs more head than 20 m at this flow, step up to the 3 kW models such as ZW32-9-30.

Technical data

Item	ZW32-10-20
Flow	10 m³/h
Head	20 m
Motor power	2.2 kW
Speed	2900 r/min
Efficiency	45 %
NPSHr	2.5 m
Self-priming height	5.5 m
Self-priming time	3 min per 5 m
Suction / discharge	DN32 / DN32
Weight	100 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.