DPKG


Standard sliding gas-TIght doors- DPKG

Application

Gazoszczelne drzwi przesuwne kopertowe

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 envelope bent steel;
  • Filled with polyurethane foam of at least 40 kg/m³ density;
  • Available thicknesses: 80mm;
  • Equipped with FERMOD gasket;
  • Standard finish of door coating:
    • acid-proof stainless sheet, type 1.4301, 0.8 mm thick, with mat surface 2B;
    • galvanized steel sheet 0.75mm thick, coated with polyester paint other than white (RAL 9010);
  • 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:

  • Hinges are delivered by RAHRBAH  Thanks to door lifting option during opening and closing the hinges prevent the lower gasket from friction

 

Suspension:

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

 

Options:

  • Untypical finish of door coating:
    • acid-proof stainless sheet, type 1.4301, 0.8 mm thick, with grinded surface 4N or grained-finished;
    • galvanized steel sheet 0.75mm thick, 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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