Parts list Natural rubber seal Welding base Smooth convex outside cover without retention. 180° opening Constant closing pressure by spring assembly Double bottom, smooth convex inside without retention (DG version) Fast opening and closing by toggle fastener with possibility of locking
Options Option Diam Quality XGRC Screen crimped by collar 150 200 250 350 450 510 620 800 4 Galvanized steel 5 304 L stainless steel 6 316 L stainless steel XGD Removable screen XGRS Removable screen XVS Safety lock XJA Standard seals XJB/XJC Special seals XVB Security bolt 150 BMXGR Screwed safety screen BMP Plexiglas safety window - How to order Product Version Diam Seal Quality Product Quality Inspection Doors RS RC RP SG Without double bottom fast closing DG With double bottom fast closing 150 200 250 350 450 0 Natural rubber 1 Silicone 200°C 2 Braided fibreglass 600°C 0 Sheet metal E24-2 1 Sheet metal E24-2 + primer protection 4 Galvanized steel 5 304 L stainless steel 6 316 L stainless steel Manholes TS TC SV Without double bottom closing by screws OV With opening diam. 273, closing by screws 510 620 800 Filter and vent supports SM SM Attachment by collar diam. 273 H500 H750 Windows BM RO PM Attachment by fold down tabs Attachment by screws Inside tube : sealed and smooth for tube diam. 195, 219, 254, 273, 324. 150 4 Galvanized steel 5 304 L stainless steel 6 316 L stainless.