# Copper mine triples wear life on 3.2 km tailings line | Norventa Pump Works

> Two booster stations on a 3.2 km tailings line were rebuilding pumps every eleven weeks. Every rebuild meant flying parts in from overseas and losing

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# Copper mine triples wear life on 3.2 km tailings line

Client

Mining contractor

Industry

Mining

Location

Antofagasta, Chile

Products used

NZ-350

![Copper mine triples wear life on 3.2 km tailings line](https://fsu.creght.com/site/2080834808174350336/1784949830800__mine_excavators.jpg)

## Challenge

Two booster stations on a 3.2 km tailings line were rebuilding pumps every eleven weeks. Every rebuild meant flying parts in from overseas and losing two production shifts.

## Solution

Wear analysis showed the impellers were oversized for the actual line velocity. We supplied NZ-350 units with corrected hydraulics and A05 liners, plus a local consignment stock of wear parts and quarterly wear-scanning service.

## Measured results

3.1×

Liner life vs. previous pumps

-40%

Maintenance downtime

34 wk

Current rebuild interval

> “The consignment stock ended our spare-part anxiety. Rebuilds are now planned events, not emergencies.”
>
> — Maintenance Manager

## Products used

[![NZ-350 Heavy Slurry Pump](https://fsu.creght.com/site/2080834808174350336/1784949827876__mine_excavator_mt.jpg)\
\
NZ-350 **NZ-350 Heavy Slurry Pump** \
\
Large-frame slurry pump for long-distance tailings lines and heavy dredging.\
\
Max flow800 m³/h\
\
Max head85 m\
\
DischargeDN350](/products/nz-350.md)

## A similar duty on your site?

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