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Wheel Comparison

Heavy Duty Pile Cage Spacer Wheel Performance Comparison 2019

The purpose of this information is to provide some relevant data on the various Pile Cage Spacer wheels being made available throughout Australia and New Zealand.

Pile Cage Spacer wheels are now required to comply with the standard “Australian and New Zealand AS/NZS 2425:2015 Bar chairs in reinforced concrete”. 

The standard outlines the following basic tests which are to be done at least once daily throughout the manufacture process.

measure the deflection under load
measure the cover provided by the Spacer
measure the permanent set once the load is removed

The standard also requires

packs of product to be traceable to the manufacturer and batch
test results to be retained for at least 2 years
packs of product to be clearly labelled with their strength grade

In this comparison a 75mm Pile Cage Wheel was used from 5 different sources

Castle NZ Wheel FAIL

Castle NZ Wheel FAIL

Co-Packers HD Wheel PASS

Co-Packers HD Wheel PASS

EcoSpacer Wheel FAIL

EcoSpacer Wheel FAIL

Gentech Wheel FAIL

Gentech Wheel FAIL

Zembrone Wheel FAIL

Zembrone Wheel FAIL