Where are double acting spring hinges primarily used?

They are used on swing doors that open in both directions, commonly found in commercial kitchens, hospital corridors, and dining areas.

How is the size of a double acting spring hinge specified?

The size is denoted by the overall length of the flange (e.g., 100 mm, 150 mm).

What materials are acceptable for the hinge body under this IS code?

The hinge body can be manufactured from mild steel, brass, or cast aluminum alloy.

IS 453

: 1993

Double Acting Spring Hinges -Specification

CurrentSpecializedSpecificationArchitectural · Builder Hardware

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This standard specifies the requirements for materials, dimensions, manufacture, finish, and testing of double acting spring hinges. These hinges are typically used for swing doors that need to open in both directions and return to a closed position automatically.

Double Acting Spring Hinges -Specification

Quick Reference Values

size designationSpecified by the length of the flange

common sizes mm75, 100, 125, 150

door thickness suitabilityRanges typically from 25 mm to 50 mm depending on hinge size

spring material requirementHigh tensile spring steel wire

Practical Notes

Hinge size must be selected based on both the weight and the thickness of the door to prevent premature spring failure.

Spring tension needs to be correctly adjusted during installation to ensure the door closes completely without slamming.

Regular lubrication of the moving parts is recommended for longevity and smooth operation.