Royde & Tucker ?Hi-Load door hinges are unique in their construction and performance.

The door hinges are designed for longevity and as a ‘fit and forget’ solution because they do not wear, will not fail and require no maintenance.

In the UK Hi-Load door hinges are offered with a 25 year guarantee.

Hi-Load door hinges are manufactured from carbon steel or stainless steel.

Metal to metal movement is avoided by using carbon steel and porous bronze flanged bushes impregnated with a specially formulated lubricant.

This construction eliminates the wear and regular maintenance required by other types of hinge.

Technical Considerations Normally, three hinges are fitted to each door.

Their positions are determined by the weight of door and its resistance to warping or whipping.
 
Hinges for use with doors of excess widths Wider doors obviously increase the pressure and bending moment exerted on the hinge.

This must be allowed for by reduction in the maximum mass of the door leaf supported by each grade of hinge.

The factors by which the door mass has to be adjusted for excessive widths of door are calculated by dividing the door height by its width.

For a factor of 2 or greater, no allowance has to be made. When the factor is less than 2, the door mass has to be increased by the value required to bring the factor to 2 expressed as a percentage.

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