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Wastop® Inline Check Valve

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Hygrade Water - Your Australian Watermain Expert

Hygrade Water is an Australian company privately owned by the Hynds Group, an Australasian manufacturing and supply business for water and water-based waste management products. With world-leading exclusive agencies, Hygrade Water is the premier supplier of over 5,000 fully certified watermain products, including a full complement of valves, pipe fittings, and related specialist products for civil and municipal applications.

By bringing together a focused water team, we deliver a service of excellence and expertise to our customers, with easy access to an extensive range of water products, brands, and agencies. Our team combines quality service and experience with a comprehensive product range, to provide innovative and tailored solutions specific to your water infrastructure projects.

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Pipe Fittings

23 products

Valves & Hydrants

20 products

Instrumentation

4 products

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Technical Library

Case Studies

Nova Siria Multigrip InstallationCase Studies
November 6, 2024

Nova Siria Multigrip Couplers: The Flexible Solution for Pipeline Repairs

Nobody wants to prolong night works! We have warehouses across the country stocked with critical repair components and flexible product soutions, so we can supply what's required when and where…
Hygrade Team
Case Studies
November 6, 2024

A Must-Have for Backflow Prevention: Twin 1800dia Wastop Non-Return Valve

Ensuring water only flows in the right direction! Check out this twin 1800dia wastop non-return valve in Brisbane. This is a good shout for reducing the risk of stormwater backflow.…
Hygrade Team
Case Studies
November 6, 2024

Built to Endure: Hawle RSVs Secure Macarthur’s Water Future

Built to last. Our Hawle RSVs are now underground in the Macarthur Region, all set to provide decades of reliable service. With a 100-year expected design life, they might just…
Hygrade Team
Durable System 2000 Fittings and Flange Adaptors installed on this pipeline as an investment for the future with Hygrade Water AustraliaCase Studies
October 10, 2024

Canberra Client Swaps EF Fittings for Durable Hawle System 2000

EF fittings failing? Nobody appreciates that! Having had constant issues with EF fittings failing, our client in Canberra required a new connection tie in. Cue the tried and true Hawle…
Hygrade Team
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