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Showing results for "DR brass" Showing results for "DR brass"

62 total results results in total
48 products products
4 articles articles
2 glossary terms glossary terms
Did you mean: "DZR brass" Were you looking for: "DZR brass"
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Glossary entry From the glossary

DR brass — what it is and when to spec it DR brass — what it is and when to choose it

A brass alloy with a small amount of arsenic added. The arsenic stops dezincification — the corrosion process where zinc slowly dissolves out of standard brass and leaves only porous copper behind. Required for outdoor work, underground pipes, rainwater systems, and bore-water installations.

DR brass is a kind of brass with a small amount of arsenic added. The arsenic stops a kind of damage called dezincification, where the zinc slowly dissolves out of standard brass and leaves only the copper. DR brass is needed for outdoor work, underground pipes, rainwater systems, and water from bores.

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Products Products

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In stock · 240 Banjo
SKU-VW-BV-1200

DR brass ball valve, full-bore lever, ½" BSP

$18.50 View →
In stock · 184 Banjo
SKU-VW-BV-1208

DR brass ball valve, T-handle, ¾" BSP

$26.50 View →
In stock · 312 Apex
SKU-VW-BV-1240

DR brass ball valve, full-bore, 1" BSP

$32.10 View →
In stock · 156 Apex
SKU-VW-CF-2210

DR brass compression elbow, ½" BSP

$14.20 View →
In stock · 78 Reliance
SKU-VW-CV-3105

DR brass swing check valve, ½" BSP

$22.80 View →
In stock · 92 Caleffi
SKU-VW-RD-4420

DR brass pressure-reducing valve, ½" BSP

$84.50 View →
4 results 4 results

Articles Articles and guides

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Technical guidance · 6 min Help choosing materials · 7 min

DR brass vs standard brass: which to spec for outdoor work

DR brass and standard brass: which one for outdoor jobs

When dezincification matters, when it doesn't, and how to tell the difference at the counter — without paying for premium where premium isn't needed.

Some brass parts can corrode in certain water. We explain when this matters and how to choose without paying extra when you do not need to.

Published 18 March 2026 · Updated 10 April 2026
Compliance · 5 min Standards · 6 min

AS/NZS 4020:2026 amendment — what changes for tank fittings

Update to AS/NZS 4020 in 2026: what changes for tank fittings

The recent amendment tightens leaching limits for fittings on rainwater and bore tanks. We summarise what's now required and which DR brass products on our shelves comply.

The recent update makes the rules tighter for fittings on rainwater and bore tanks. We explain what is required and which DR brass products meet the new rules.

Published 22 January 2026
2 results 2 results

Glossary Glossary terms

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DR brass DZR brass · Dezincification-resistant brass

A brass alloy with a small amount of arsenic added. The arsenic stops dezincification, the corrosion mechanism where zinc preferentially dissolves out of standard brass.

A type of brass with a small amount of arsenic added. The arsenic stops dezincification, where the zinc slowly dissolves out of standard brass.

Read full entry → Read the full explanation →

CW602N European DR brass alloy code

The European code for dezincification-resistant brass. Refers to the same alloy sold in Australia as DR brass.

The European code for dezincification-resistant brass. The same alloy as DR brass sold in Australia.

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3 results 3 results

Brands stocking DR brass Brands that make DR brass products

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Banjo

28 DR brass SKUs 28 DR brass products

Apex

14 DR brass SKUs 14 DR brass products

Caleffi

6 DR brass SKUs 6 DR brass products
5 results 5 results

Categories with DR brass Categories that have DR brass products

Ball valves Ball valves 22 Check valves Check valves 8 Compression fittings Compression fittings 11 Pressure-reducing valves Pressure-reducing valves 5 Gate valves Gate valves 2
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