Standard features include:
Optional features include:
- Marine grade aluminium checker plate lid
- Durable 316 stainless steel frames and fittings - long life in sewer applications
- Can be bolted down to flat surfaces - does not require specific concrete formwork for installation
- Rugged cast alloy hinges
- High strength GRP locking hardware
- Padlock or puzzle key bolt down lids
- Standard sizes and made to order sizing
- Single or double lids
Optional features include:
- Odour Blok resilient seal* to minimize vapour or odour escape and preventing water ingress (requires bolt down to compress seal)
- Sound attenuation on sealed hatches
- Integral safety grille restricting access yet allowing washdown
- Gas strut assistance for opening lids
- Folding handrails for stair and ladder access
Hatch Cover Images
Some of the available options are shown below:
For further information please contact us on +64 9 526 4344 or admin@concentrics.co.nz














