SU-IV Gastight hatch; 800×800 (Paint primer)
SU-IV Gastight hatch; 900×900 (Paint primer)
SU-IV R Blast & Gastight hatch (1 bar); 600×900 (Paint primer)
SU-IV RWRT Blast & Gastight hatch (1 bar) for horizontal placement
SU-III Blast & gastight hatch (4,4 bar); 800×800 (Paint primer)
SU-III Blast & gastight hatch (4,4 bar); 900×900 (Paint primer)
SU-III Blast & gastight hatch (4,4 bar); 1500×1500 (Paint primer)
SU-I Blast & gastight hatch (9 bar); 800×800 (Paint primer)
SU-I Blast & gastight hatch (9 bar); 900×900 (Paint primer)
