MANHOLE COVER AND COLLET FOR TANK – Ø270 & Ø400 mm PE - WITH OR WITHOUT A VENT
- Manhole cover in PE for an optimal chemical resistance.
- The ventilation flue of the manhole cover is equipped with : - A tip and a diaphragm, allowing suction or the back flow of air avoiding liquid projections to the exterior. - A protective cover protecting against infiltration.
- The Ø400mm manhole cover can be delivered with or without a vent.
- Depending on the flow rate of the tank outlet orifice, it is possible to mount up to two vent valves (Contact us).