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Attack-proof and Weatherproof Manhole Cover SD4/RC3, security tested, round type

Manhole cover, secure to prevent forced access, weatherproof, round in shape, made of 1.4307 (AISI 304 L).

In accordance with DIN 1239:2018-4, security tested to resistance class RC3 (DIN EN 1627). According to requirements of DVGW W 1050 - Object protection for water supply structures. Suitable for use in Ex zone 1.

The cover consisting of a 4 mm thick stainless steel plate with a centrally raised profile, with stable concealed hinges, stainless steel gas assisted spring dampers, integrated arrestor which can only be undone by hand, with handle, with a replaceable circumferential, insect-proof and totally weather-proof rubber seal (frost-proof and weather-resistant) attached to the underside of the cover for low wear

Including lock system with anti-drilling protection, as standard with hardened safety lock as recommended by criminal investigation departments and in accordance with the normative standards; the profile cylinder in accordance with DIN 18252 to be provided by the customer. A connection for potential equalisation is provided.

The frame consists of an angle section, designed for bolted fixing with clips inside the manhole as lift locks.
Manhole cover and frame shielded arc-welded, acid-treated in a pickling bath and passivated.
Operating key included.

HUBER manhole cover SD4/RC3, attack-proof
HUBER manhole cover SD4/RC3, attack-proof
Round HUBER manhole cover SD4-RC3 with air vent
Round HUBER manhole cover SD4-RC3 with air vent
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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 30/5
  • Non-standard sizes
  • Magnetic contact (cover open/shut indicator)
  • Lacquer according to RAL colour chart
  • Pollen filter or biofilter (for odour elimination) within the air vent
  • Safety guard / antifall guard

FAQ

Frequently Asked Questions

The designation RC indicates the resistance class of building components and is regulated in DIN EN 1627. The attached number indicates how long the building component can withstand a burglary attempt with a defined tool. (The category is equivalent to the former designation WK3.)

The term "surface-watertight” means that the manhole cover is protected against the ingress of natural precipitation such as rain or other surface water that occurs without pressure.

Case Studies

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