Sight glass in the bottom of water tanks, pressure-tight up to a water gauge of 10 m
Inspection cover, pressure-tight up to a water gauge of 10 m, round, completely made from 1.4404 (AISI 316 L) stainless steel, can be lined on both sides.
Sight glass with 15 mm thick safety glass, convex towards the pressure side. Sealing with two rubber seals. Clear sight diameter: 400 mm.
Access duct cover with centrally welded wall flange, provided for embedding in concrete. Wall flange dimensions: 616 mm. Access duct cover shielded arc-welded, acid-treated in a pickling bath and passivated.