Edited: 2019/02/11 Date updated: 2020/05/08 double siphon system □□□□□□□□□□□a □□□□□□□□□□□a HERMELOCK DESCRIPTION Hermelock manhole covers are made of Polyurethane, reinforced with fiberglass with matching frame made of reinforced Polypropylene ADVANTAGE PRODUCT •Watertight to drainage water by double siphon system. •Resisting loads according to the standards EN-124 class B-125 •Anti slippery design with little noise •A smell-proof sealing (Double siphoning system) •A locking system in 2 points •Colour: Black MATERIAL Composite material PLACE OF INSTALLATION Group 2, class B125 ^see EN124. For use in car parks and pedestrian areas where only occasional vehicular access is likely. OPTIONS •Full watertightness and gas tightness can be obtained by putting additional sealing. •Marking/logo on request • key KE1 MANEUVERS OF THE COVER: How to open the manhole cover: 1.Unlock 2 locking devices with means of hexagonal key 6mm or our key KE1 by turning into opposite way of clock, until resistance is felt or blocking. 2.Take out cover, this is easy with our key KE1. To close, proceed in the opposite way: 1.Clean double siphon system in frame 2.Ensure that blocking device underneath cover is orientated to center cover. 4.By means of hexagonal key 6mm or key KE1 lock by turning way of clock, until resistance is felt. In his way block is lock underneath frame. REFERENCE ART.N° KG PACK.