Energy Safe Technologies
Controlled Atmosphere Sliding Doors with Gas-Tight Sealing
Company news
02.04.2021 PH Insulation to Showcase Energy Safe Technologies at ProdExpo, the International Expo for Food and Beverages in Moscow, Russia

PH Insulation will present at ProdExpo energy safe technologies for the construction of food production facilities, refrigerating and freezing chambers


01.04.2021 First Delivery of PH Insulation PIR Premier Sandwich Panels and Refrigeration Doors Arrives to Nigeria

PH Insulation has manufactured and delivered over 500 sq. meters of PIR Premier insulated panels and 11 refrigeration doors to Lagos


26.03.2021 PH Insulation Delivers Four Cold Rooms for a Grocery Store in Finland

The Cold Rooms are Installed in a New Grocery Store in Helsinki


News archive

Controlled Atmosphere Sliding Doors with Gas-Tight Sealing

Откатные герметичные двери

Door code

  • CA SD - Controlled Atmosphere Sliding Doors
  • Door thickness 80 mm
  • Opening height 3 000 mm
  • Opening width 3 000 mm

Basic Information

PH Insulation gas-tight sliding doors for fruit and vegetable controlled atmosphere storage are an impressive blend of world’s best expertise with Russian engineering skills. 

Stand tests at the PH Insulation production facility showed that the new gas-tight door can withstand pressure up to 500 Pa with its solid frame, rubber sealed door, and tight clips developed by PH Insulation engineers.

CA refrigerated chambers for ripening of fruits, berries and vegetables are constructed of polyurethane sandwich panels.

In design of the airtight door, PH Insulation leveraged the best world experience of engineering for gas-tight storages. Today, the world uses just two technologies for sealing such doors: seal inflator and reinforced clips. PH Insulation chose the second option deliberately, since it eliminates risk of damage to the seal inflator during operation of CA storages. 

PH Insulation offers free consultation to select the proper material for the door depending on the purpose of the AC storage. 

Door Frame

Solid non-separable construction provides frame tightness. When developing the frame design, PH Insulation chose a solid frame that provides maximum tightness of the opening, facilitates installation and withstands corrosion.

Corrosion-resistance of the frame against high humidity and acids that are released during the storage of fruits and vegetables is guaranteed by 2 mm thick AISI 304 stainless steel. 

Thermal Insulation

The door provides thermal conductivity of 0.022 W/m*K with a European polyol system at 50 kg/mdensity.

Door Hardware

The gas-tightness is guaranteed by 6 mechanical eccentric clips and a two-chamber rubber seal gaskets by Fermod (France), the world leader in the production of refrigeration doors hardware.

Handles developed by PH Insulation engineers are installed onto both sides of the door for easy opening and closing.

Door Options 

Sealed viewing window 600x800 mm. 

AISI 304 or 430 stainless steel, Food Safe, PVDF, Granite Farm for the door leaf.

Right or left opening.


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