DPSG


Standard sliding gas-tight doors- DPSG

Application

Drzwi gazoszczelne

 Doors are applied for rooms with controlled atmosphere (CA).
CA is regarded as the best technology to store fruits and vegetables.

In standard coldrooms fruits are stored in normal atmosphere containing 21% of oxygen and 0% of carbon dioxide. Whereas in the controlled atmosphere the contents of oxygen is below 3% and the content of carbon dioxide is below 5%. This leads to prolongation of fruits and vegetables store period without losing their commercial quality.

 

Door leaf:

  • Made of sandwich panel with polyurethane PUR core in the frame of steel channel section – acid-proof stainless sheet, type 1.4301;
  • Available thicknesses: 80mm;
  • Equipped with FERMOD gasket.
  • Standard finish of door coating: galvanized steel sheet 0.4mm-0.6mm thick, coated with polyester paint in white (RAL 9010). The sheet is covered with organic protective coatings, resistant to corrosion;
  • Ball valve, one for nitrogen or oxygen filling, the other in order to take samples from the room atmosphere;
  • Clamps to ensure door leaf tightness.

 

Overlay Frame (not decreasing the door opening):

  •  Standard finish of frame:
    • acid-proof stainless sheet, type 1.4301; 1.5mm thick;
    • galvanized steel sheet, coated with polyester paint in white (RAL 9010).
    • frame filled with polyurethane foam;

 

Lock:

  •  RAHRBACH lock is equipped with patent insert, with possibility of emergency opening from the inside, even if the door is locked (safe lock);

 

Suspension:

  • FERMOD suspension system, aluminium rail- lightweight type;
  • FERMOD suspension system, galvanized steel rail- heavyweight type;

 

Options:

  • Untypical finish of door coating: galvanized steel sheet, coated with polyester paint other than white (RAL 9010).
  • Availability to produce door with and without a threshold (lower element is installed in the floor);
  • Execution of acid-proof stainless steel rail, type 1.4301
  • Flashings of the opening;
  • Glazing:
    • lockable revision window, dimensions 580×810 equipped with patent insert with possibility of emergency opening from the inside even if the door is locked (safe lock).

 


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