Weatherproof manhole cover SD2, round type
Manhole cover, weatherproof, round in shape, completely made of 1.4307 (AISI 304 L) stainless steel.
In accordance with DIN 1239:2018-4, suitable for use in Ex zone 1.
The cover is made of 2 mm stainless steel plate, with a centrally raised profile, inner cross bracing for rigidity, self-retracting lock, stainless steel gas assisted spring damper, integrated arrestor which can only be undone by hand; robust, concealed hinges.
A connection for potential equalisation is provided.
The frame consists of an angle section with a circumferential insect-proof and totally weather-proof rubber seal (frost-proof and weather-resistant), with clips welded to the bottom side, designed for embedding in concrete, or for dowelling.
Manhole cover and frame shielded arc-welded, acid-treated in a pickling bath and passivated. Operating key included.
HUBER weatherproof manhole cover SD2, round type
HUBER weatherproof manhole cover SD2 with air vent
HUBER manhole cover SD2 with gas assisted spring damper for easy opening
HUBER manhole cover SD2 with raised frame and pollen filter in the hood
HUBER manhole covers SD2 as inspection opening
Options
- 1.4404 (AISI 316 L) stainless steel
- Air vent DN 150, centrally welded
- Insulation of the cover, without FCKW
- Fixing material and foam rubber gasket
- Safety lock for increased security, with or without profile cylinder
- Non-standard sizes
- Possibility to open the cover from below
- 4 mm cover plate
- Magnetic contact (cover open/shut indicator)
- Handle
- Pollen filter or biofilter (for odour elimination) or wind ventilator within the air vent
- Separable cover and frame
- Seal glued to the bottom side of the cover
- Lacquer according to RAL colour chart
- Surface made of tear pattern plate
- Fire-service standard lock, for pillar hydrant key DIN 3223, M 12 (supplied without key)
- Safety guard / antifall guard
- Multi-part cover
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