Newly developed insulated overhead door <springless type> catalog available.

Recommended for openings with high frequency of use, such as refrigerated and frozen storage warehouses. Achieves advanced temperature control and reduces maintenance costs through spring replacement.

To respond to the severe heat of recent times, we have introduced a new development of the high-performance overhead door "Ice Barrier Series," which features high-quality rigid polyurethane foam (non-fluorocarbon) filled densely to achieve superior insulation. The new <spring-less type> is equipped with a drive mechanism that does not use springs, significantly enhancing durability. This avoids troubles caused by spring lifespan issues and greatly reduces maintenance costs. It is recommended for openings in factories and warehouses with high frequency of opening and closing, such as refrigerated storage facilities! 【Features】 ■ Reduces maintenance costs by eliminating expenses related to spring replacement! ■ Avoids troubles caused by inability to open and close due to spring breakage! ■ Possible to retrofit from existing overhead doors! (*Please consult us as there are conditions for installation.) *For more details, please refer to the materials.

Kongo Sangyo Co., Ltd. Product Lineup

basic information

<Springless Type (Manual)> ● Applicable Type: Ice Barrier ● Opening Dimensions: (Width) up to 3,900mm × (Height) up to 3,300mm ● Total Door Weight: up to 120kg ● Storage Type: HT (High Lift), VT (Vertical), HCT (Slope) ● Lift Height: 950mm or more ● Operation Method: Manual (Balance Type) ● Operating Temperature: 0℃ or above ● Internal-External Temperature Difference: 35℃ or below <Springless Wireless Type (Electric)> Achieves smooth opening and closing with a single push of the operation switch without using springs or wires. ● Applicable Type: Ice Barrier, Ice Barrier 75 ● Opening Dimensions ・Ice Barrier: (Width) up to 3,900mm × (Height) up to 3,500mm ・Ice Barrier 75: (Width) up to 3,000mm × (Height) up to 3,000mm ● Total Door Weight: up to 200kg ● Storage Type: HT (High Lift), VT (Vertical) ● Lift Height: 600mm or more ● Operation Method: Electric (In case of power failure: Chain-type manual release device) ● Operating Temperature ・Ice Barrier: 0℃ or above ・Ice Barrier 75: -5℃ or above ● Internal-External Temperature Difference ・Ice Barrier: 35℃ or below ・Ice Barrier 75: 40℃ or below

Price information

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Delivery Time

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Applications/Examples of results

For maintaining the freshness of perishable foods and for low-temperature logistics warehouses for frozen foods, insulated overhead doors that allow for precise temperature control are recommended. By installing multiple truck-sized openings and frequently opening and closing them, airtightness is enhanced, creating a comfortable working environment inside the warehouse. - Delivery and logistics warehouses - Frozen and refrigerated warehouses / temperature-controlled logistics warehouses - Food processing plants