Doors

Types of door:
  • Hinged Door – Single leaf, double leaf, flush
  • Double Hinged Door
  • Hatch Door
  • Manual Sliding Door
  • Auto Sliding Door
  • Single Swing Door
  • Double Swing Door
  • Sectional Rolled Up Door

Note: Door dimensions are specified by customer or we use standard door size available for each cold room. Doors are provided with complete accessories like door heater wire, PVC strip curtain.

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Wong Brothers SHD hinged door is elegant, designed for -30C temperature heavy duty application, conformed to current EC safety and sanitary regulations.

The door leaf is semi-recessed, insulated with high-pressured injected CFC free polyurethane and finished with food safe polyester coated hot dip galvanized steel sheet.

Door handle is Euro style ergonomic pull handle with fail-safe internal safety push handle, and hinges are self-closing, edged mounted. An anti-condensate door frame heater is mounted on a custom aluminum profile.

Specifications
Clear Opening :
Single leaf up to 1,080W x 2,100H (mm)
Door leaf thickness :
100 mm
Insulation :
Polyurethane
Overall density :
45 kg/m3
Thermal conductivity :
0.020 W/m.K.
Facing :
0.55 mm Polyester coated galvanized steel. Other facing e.g. stainless steel in various thickness is available on request.
Optional accessory :
Kicker plate, and etc.
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Wong Brothers MSD manual sliding door offer heavy duty operation, trouble free, down to -30c temperature, conformed to current EC safety and sanitary regulations.

The door leaf is insulated with high-pressured injected CFC free polyurethane, finished with food safe polyester coated hot dip galvanized steel sheet, protected with 300mm high aluminum checker plate, factory fitted with a canter-level handle for easy opening, a fixed pull handle for smooth closing and internal safety handle.

Door track is made of rust proof aluminum with 'close-tight' feature, track cover, supported on custom aluminum door frame with anti-condensate heat.

Specifications
Clear Opening :
Up to 3,000W x 7,500H (mm)
Door leaf thickness :
100 mm
Insulation :
Polyurethane
Overall density :
45 kg/m3
Thermal conductivity :
0.020 W/m.K.
Facing :
0.55 mm Polyester coated galvanized steel. Other facing like stainless steel, GRP in various thickness is available on request
Optional accessory :
Automated version
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The technology we developed in the insulating refrigerator door construction has been transferred to the insulating sectional door's one, gaining energy saving that before was unimagined, even due to the low thermic transmission coefficient we obtained (K = 0,338 W/sqm°C).

Therefore the panels, consisting these doors are produced with a foaming process by which the polyurethane resins, injected under a warm press, will perfectly adhere to the external sheets (even galvanized even aluminum) becoming as a just one thing.

Upon request it is possible to provide the door with portholes or completely glazed parts. Depending on the breastplate available above the door, different lifting system is adopted.

All MTH sectional doors are perfectly balanced and can be easily used manually. The motor unit is suggested where several door opening operations are required. It is even possible to provide the sectional with a small-hinged service door outward openable.

Specifications
Clear Opening :
Up to 3,600W x 6,000H (mm)
Door leaf thickness :
50 mm
Insulation :
Polyurethane
Overall density :
45 kg/m3
Thermal conductivity :
0.020 W/m.K.
Facing :
0.55mm Polyester coated galvanized steel. Other facing like aluminum, GRP, in various thickness and colour is available on request
Optional accessory :
-
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Wong Brothers ASD automatic sliding door is easy to operate, trouble free, powered by heavy duty motor with intelligent self-learning microprocessor and battery for power backup.

Push button opening and closing with selectable automatic closing is installed at outside and pull cord opening at inside.

The door leaf is insulated with high-pressured injected CFC free polyurethane, finished with food safe polyester coated hot dip galvanized steel sheet, protected with 300mm high aluminum chequer plate, and factory fitted with a canter-level handle for easy opening, a fixed pull handle for smooth closing and internal safety handle.

Door track is made of rust proof aluminum with 'close-tight' feature and supported on custom aluminum door frame with anti-condensate heater.

Specifications
Clear Opening :
Up to 3,000W x 7,500H (mm)
Door leaf thickness :
100 mm
Insulation :
Polyurethane
Overall density :
45 kg/m3
Thermal conductivity :
0.020 W/m.K.
Facing :
0.55mm Polyester coated galvanized steel. Other facing like stainless steel, GRP in various thickness is available on request

Our SD swing door with 180 degree opening is idea for high traffic flow corridor like production, ante room, kitchen, supermarket, conformed to current EC safety and sanitary regulations.

The door leaf is installed with a break resistant plexiglass window, 500mm anti-knocking bumper at low level for hand free trolley and pushcart opening, insulated with high-pressured injected CFC free polyurethane and finished with food safe polyester coated hot dip galvanized steel sheet.

Hinges are 180 degree opening, spring loaded, self-closing and edged mounted.

Specifications
Clear Opening :
Single leaf up to 1,080W x 2,400H (mm)
Door leaf thickness :
40 mm
Insulation :
Polyurethane
Overall density :
45 kg/m3
Thermal conductivity :
0.020 W/m.K.
Facing :
Stainless steel
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The hinge door type is produced with a core of 40mm injected polyurethane insulation. These doors are durable, easy to use, and free of maintenance.

Specifications
Clear Opening :
Single leaf up to 1,080W x 2,400H (mm)
Door leaf thickness :
40 mm
Insulation :
Polyurethane
Overall density :
45 kg/m3
Thermal conductivity :
0.020 W/m.K.
Facing :
Polyester coated steel.
Optional accessory :
Window