Manhole cover SD4-RC3- attack-proof / security tested- weather-proof- round type

Manhole cover, secure to prevent forced access, weatherproof, round in shape, made of 1.4307 (AISI 304 L) stainless steel, load-bearing up to 5 t.

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 and Ex zone 21.