Manhole cover, installed flush with the surface for pedestrian and/or vehicle traffic, optionally in class A15, B125, D400, E600, weatherproof, odour-tight against pressureless water, attack-proof, rectangular in shape, made of stainless steel.
Secure to prevent forced access, certified to resistance class RC3 according to DIN EN 1627 in class D400, meeting the requirements of DVGW W 1050 - Object protection for water supply structures. Suitable for use in Ex zone 1.
Designed for a clear width up to and including 1000 mm and certified to:
DIN 1229 / DIN EN 124-1:2015-09 and DIN EN 124- 3:2015-09, classes A15, B125, D400, E600 with test certificate
and external monitoring.
Designed for a clear width bigger than 1000 mm and statically calculated according to:
DIN EN 1991:2010-12 (Eurocode 1) and DIN EN 1993:2010-12 (Eurocode 3), class EC10 (comparable with class A)
and EC100 (comparable with class D).
The cover consists of a stainless steel tear pattern plate, with additional bracing on the bottom according to the weight (load class), slip resistance in accordance with DIN EN 124-1:2015-09, with a low-wear seal on the cover bottom side, screw lock, including lock system with antidrilling 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. Frost-proof inner hinges, help for opening in the form of stainless steel gas assisted spring dampers with integrated cover arrestor which can only be undone by hand.
A connection for potential equalisation is provided.
Easy-to-install encasing frame, standard height 250 mm, with external wall clamps, provided for embedding in concrete (concrete up to upper frame edge) and for fixing to the casing.
Manhole cover and frame shielded arc-welded, acid treated in a pickling bath and passivated.
Operating key included.
Version:
Material: _________________
Shaft Opening: ____ x _____ mm
Load Class: D400 (400 kN)
Features: Suitable for big-volume traffic