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Cast Iron Access Covers, Grates & Surfaces Boxes
Hytech Access Covers and Frames
Ductile Iron Access Covers & Grates
Gas and Air-tight Access Covers and Grates
Stormwater Grate and Frame
Manning Grate
Manhole Cover and Frame
Hinged Manhole Cover and Frame
Hinged Kerb Gully Grate and Frame
Manhole Accessories
Safety Grille
Manhole Riser
Manhole Lid Lifters
Manhole Sealing Grease
Streetware Accessories
Preform Wedges and Pads
Pneumatic Pipe Plugs
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00994
http://hygrade.net.nz/shop/Streetware/Ductile+Iron+Access+Covers+%26+Grates/Gas+and+Air-tight+Access+Covers+and+Grates.html
Gas and Air-tight Access Covers and Grates
Hygrade products supply a range of gas and air-tight access covers and grates to Australian and New Zealand recognised standard AS3996:2006.
Suitable for when access is required for underground services with a gas and air-tight seal, or grates are required to perform to specific conditions.
Brands include Uber, HaveStock and Gatic.
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Hinged Kerb Gully Grate and Frame
Hinged Manhole Cover and Frame
Stormwater Grate and Frame
Manning Grate
Suitable for when access is required for underground services with a gas and air-tight seal, or grates are required to perform to specific conditions.
Brands include Uber, HaveStock and Gatic.