ZW Self-Priming Sewage Pump

ZW80-65-25 Self-Priming Pump for Paper and Pulp Wastewater

Name: ZW80-65-25 Self-Priming Pump for Paper and Pulp Wastewater
Brand: Haquan
SKU: ZW80-65-25

Model: ZW80-65-25

ZW80-65-25: 65 m³/h at 25 m, 11 kW, DN80/DN65. A ZW pump for fibrous wastewater from paper and textile plants.

Specifications

Flow Rate	65m³/h
Head	25m
Power	11kW
Inlet / Outlet Diameter	80 / 65mm
Material	Cast iron (standard); stainless steel on request

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Product Overview

Paper mills and textile plants produce wastewater full of fibres that wrap around ordinary impellers. The ZW series was designed for this: fibres up to five times the port size pass through. ZW80-65-25 handles 65 m³/h at 25 m on 11 kW.

Why it suits fibrous liquid

Wide, open passages through the casing and impeller
No foot valve on the suction, which is where fibres would collect
DN80 suction for large solids and long fibres
Handles slurries and mixed suspensions up to 1240 kg/m³ density

After pumping thick pulp or slurry, flush the casing with clean water so the stock does not settle and harden inside.

Technical data

Item	ZW80-65-25
Flow	65 m³/h
Head	25 m
Motor power	11 kW
Speed	2900 r/min
Efficiency	52 %
NPSHr	3.0 m
Self-priming height	5.5 m
Self-priming time	2 min per 5 m
Suction / discharge	DN80 / DN65
Weight	240 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.