SLIDING FOLDING DOORS Doors can be arranged to bunch to either one or both sides of an opening. The unfixed vertical edge of any section being fitted with a rebated lead post assembly to which internal and external operating handles are fitted. When power operated, a geared electric motor with torque limiter drives and an endless chain running parallel to the overhead track and coupled to the leadpost. Control of power operation is provided by push button operated switches with alternative remote systems being available if required.

CONSTRUCTION
Comprises galvanised steel collapsible gate having vertical pickets interconnected by rectangular steel bars acting on the lazy tong principle. Leaves 305 wide (12") arranged in pairs hung from the front of each picket are hinged to adjacent leaves providing a heavy duty horizontal folding door assembly. The door complete suspended from a lintel mounted heavy duty rolled steel top track by double rollers fitted to alternate pickets. Guide spigots at the base of each picket locate in a substantial floor track. The whole door assembly fabricated from galvanised steel.

OPERATION
Doors can be arranged to bunch to either one or both sides of an opening. The unfixed vertical edge of any section being fitted with a rebated lead post assembly to which internal and external operating handles are fitted. When power operated, a geared electric motor with torque limiter drives an endless chain running parallel to the overhead track and coupled to the lead post. Control of power operation is provided by push button operated switches with alternative remote systems being available if required.

SECURITY
Padlocking facility fitted inside and outside. An alternative lever lock system can be incorporated.

SIZES AND TYPES
HG for openings up to and including 5182 (17' 0") high.
HH for openings over 5182 (17' 0") and up to and including 6095 (20' 0") high.
HI for openings over 6095 (20' 0") and up to and including 7620 (25' 0") high.

OPTIONAL EXTRAS

RUNAWAY BEAMS
Cut-outs in standard or special extra lead posts can be arranged to accommodate single beams passing through bi-parting manually operated doors. Offsets from the centre line of the opening are provided by using unequal pairs of leaves each side.

VIEWING PANELS
Viewing panels giving a clear view area of 510 (20") x 125 (5") can be incorporated. Standard glazing of 5 (3/16") toughened glass. Non-standard sizes of glazing materials can be considered.

RAILWAY LINES
Special bottom tracks can be supplied where railway lines pass through the opening.

SINGLE DOORS
The single doors illustrated are bunched to the left as viewed from inside. The general arrangement details would apply if they were required to bunch to the right.

BI-PARTING DOORS
Normally arranged to bunch equally on both sides, however, unequal bunching and opening coverage may be provided in special circumstances.

FREE MOVING SECTIONS
An additional sectional arranged for locking at both ends and which can bunch in any position, may be provided for some manual installations. Advice will be given on this feature when a customers' particular information is known.

INSTALLATION ARRANGEMENTS
The illustration shows the most popular methods of installation. Provision can be made for a combination of the three arrangements together with external mounting for which we shall be pleased to provide further data when a customers' requirements are known.
Arrangement 1. Hung behind lintel and bunching behind the jambs of the structural opening.
Arrangement 2. Hung beneath lintel and bunching within structural opening.
Arrangement 3. Hung behind lintel and bunching within structural opening.
Dependant upon opening construction, provision may be made for a combination of the three standard arrangements or mounting a door externally. Powder Coat finish to any standard BS RAL colour.