recessed manhole assembly for tank walls, incl. 600×400 opening, 8mm cover plate & 40mm thick flange. Got the full plan view with bolt patterns, section A-A, and a detail view at 1:2 scale for the gasket & M16 fixing. We’ve used this for maritime stuff, marine fuel tanks etc Гърловина-вкопана 600х400.
600×400 Recessed Tank Manhole Detail DWG with Plan & Section Views
