Weatherproof manhole cover SD1, rectangular type
Manhole cover, weatherproof, rectangular 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 a Z-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 internal bolted fixing.
Manhole cover and frame shielded arc-welded, acid-treated in a pickling bath and passivated. Operating key included.
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
- Multi-part cover
- 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 / barrier
- Safety guard / antifall guard
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