https://www.hynds.co.nz/product/gas-and-air-tight-access-cover-grates/
Gas and Air-tight Access Cover & Grates - Hynds Pipe Systems Ltd.
Jan 19, 2025 - Hynds supply a range of gas and air-tight access covers and grates to Australian and New Zealand recognised standard AS3996:2006 and European Standard EN124....
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https://www.hynds.co.nz/product/hytech-cast-iron-streetware/
Cast Iron Access Covers, Grates and Frames - Hynds Pipe Systems Ltd.
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https://www.hynds.co.nz/product/tp800-600mm-bolt-down-covers-and-grates/
TP800 600mm Bolt Down Covers and Grates - Hynds Pipe Systems Ltd.
Jan 16, 2025 - Versatile, high quality performance Class D240kN Bolt Down Access Cover System where security is required. The TP800 range is a high quality long serving...
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