FOLDAWAY INDUSTRIAL DOORS

:: Standard Specifications And Design ::

Xenac Foldaway Industrial Door is a two leaf bi-folding overhead door hinged along the horizontal joint as illustrated on below.

The framework is welded and fabricated from rolled hollow section steel members. These can be braced where necessity demands. Standard finish on the frames and channels is zinc chromate or red lead primer.

Standard cladding is galvanized steel sheeting, fixed in the vertical plane with rivets. Other claddings are available.

Both leaves are balanced with counterweights which are in constant suspension.

Movement is controlled by guide rollers operating in vertical channel sections, with connecting link arms activating the top leaf.

Door locking is effected by internal pad bolts to each side unless otherwise specified.

:: Size ::

Xenac Foldaway doors up to 17 meters wide and 5.5 meters high can be manufactured in standard design. Doors above these dimensions should be referred to our design department before specification.

:: Optional Extras ::

Glass Panels
Doors can be produced either partly glazed to admit light or to give inspection windows or fully glazed for showrooms and service stations etc.

Standard glass is 4mm thick clear float to a maximum individual panel size of 1830mm by 915mm

Heavier grade and ornamental glass should be specified only after consulting the manufacturer, due to the weight and deflection involved.

Glazing is affected by means of high security double section aluminium glazing bead fixed to the tubular steel frame.

Fully glazed doors are fitted with sheet metal kick plates of a minimum height of 200mm and increasing in height in accordance with increases in door width.

Access Doors
Access doors can be fitted in the lower leaf Standard size is 700mm wide by 1220mm high and ranging up to 91 5mm by 2000mm depending on whether leaf size is able to accommodate the selected size. Normal hinging is to open inwards.

Cladding
Doors can be clad in most sheeting materials and profiles, but door prices and delivery times vary according to cladding costs, availability and special fixing methods (if required).

:: Power Operation ::

Electric operation is by a heavy duty cam drive system designed to fully open or close the door at an approximate rate of 4.5 seconds per meter of opening height.

Power is provided by a suitable continuously rated 3 phase motor, closely coupled to a matched reduction gearbox and gearbox and fitted with a torque limiting safety clutch.

The open and close cycles are controlled by a finely adjustable limit switch. Power drive is transmitted through an overhead shaft of suitable torsion capacity. An internal 3 button control station is positioned adjacent to doorway.

N.B.415 volt 3 phase power with neutral, terminated at a power isolating switch where required by the supply authority, to be fitted adjacent to the side of the doorway opening. (by others)

:: Specifications ::

Counterweight casings, to a height of approximately two thirds of the height of the door formed out of 0.6mm fIat sheet, are supplied in galvanized finish.

:: Xenac Foldaway Industrial Door Specification ::

A vertical opening, two leaf door hinged horizontally at approximately centre position with side trundle fitted to each leaf, capable of moving in vertical guide channels fixed to the building at each side of doorway. The door to be suitably counterbalanced with solid counterweights by connecting the door and counterweights through the medium of flexible steel cable moving over a pulley system fitted to the guide channels or building to suit the individual requirement. The door movement to be controlled by a single simple link on each side of the upper leaf with one end pivoted on the door and the other end pivoted on the guide channel or pulley heading, so that in the closed position the door is in line and upright and it then moves to an open, folded virtually horizontal position under the lintel.

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