NBS Source
Esavian Type 126 Steel Doorset


Designed for use in helicopter/ aircraft hangars, spray booths, multi-vehicle entrance bays, storage and warehouse entrances, bus stations and train depots. The largest door in the Esavian range (maximum height 35 m, width unlimited), the 126 is designed for use in covered shipbuilding facilities, heavy fabrication shops and other large industrial applications.

The Esavian Type 126 is a sliding door, typically comprising one or more slab leaves running on single or multiple tracks. Individual leaves may be up to 25 m wide and may vary in height between 6–35 m. Leaves may be joined in pairs to give wider leaves. Leaves may be arranged within a door opening in any number of ways. The final arrangement of door leaves will depend on a number of factors including clear opening requirement, stacking space availability, frequency of opening, type of access most commonly required etc. It is important to decide upon a leaf arrangement at an early stage in a project: contact manufacturer for guidance.

Leaves may be sheeted in any readily available cladding system to meet architect’s requirements. Examples include factory-finished composite panels, site assembled insulated cladding systems, transparent polycarbonate sheeting, radar absorbent sheeting etc.

General information

Uniclass 2015

Pr_30_59_24_81 Sliding folding doorsetsPrimary


L20/520 Sliding doors

Specification data - Sliding folding doorsets

Product Reference

Esavian Type 126 Steel Sliding Door


Multi-leaf bottom rolling

Single leaf bottom rolling




Any cladding system can be incorporated: insert requirements.


Plastisol, colour

Insert requirements.

PVF2, colour

Insert requirements.




Powered, individual

Powered in groups, using cable Sheathing System

Personnel door(s)


Double leaf hinged

Self-closing, sliding

Single leaf side hinged

As drawing



Glazing panel

Reinforced bottom panels

Standard product features

Track system:

- Bottom track:

Each leaf fitted with two double-flanged steel track wheels, running on tapered roller bearings, on single or parallel runs of flat bottom rail bottom track, mounted on transverse bearers.

- Top track:

Each leaf fitted with minimum of two cylindrical top rollers, (four rollers onto an articulated top beam on wider leaves), running on Universal ‘I’ beam top guide tracks, suspended from the roof structure.

Door leaf:

- Leaf frames:

To be designed in accordance with British Standards relating to the design of steel structures, with all structural members fabricated from standard hot rolled steel sections. Cladding rails typically comprise cold rolled steel sections, fully shop fabricated ready for site assembly.

After fabrication, all main structural sections to be shot-blasted and painted as specified.

- Door cladding:

Leaves may be sheeted in any readily available cladding system.

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