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Bayrakdoor Steel Doors
Bayrakdoor

Fine Vertical Dark Walnut Pivot Steel Door TR312

Product CodeTR312

A vertically grooved dark walnut pivot door against a concrete facade with a horizontal stainless steel band. Product code: TR312. Made to measure after an on-site survey.

Leaf construction
pivot single leaf
Color / finish
dark walnut
Glass
Şişecam 5+5 mm (0.394" total) laminated glass (impact resistant)
Handle
recessed handle
Design language
modern pivot
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Product codeTR312

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Download this model's PDF spec sheet
Worldwide shipping & export
Made in our own factory
Lifetime manufacturing warranty

A vertically grooved dark walnut pivot door set against a concrete facade, crossed by a horizontal stainless steel band. It is listed in our catalog under code TR312. It is not sold in stock sizes; your entrance is measured on site and the leaf is built to that measurement. The finish in the photo is dark walnut.

Product Code: TR312

Pattern and Color

It is produced as a single pivot leaf. The surface carries fine vertical grooves with a stainless steel band across the middle. The surface is finished in dark walnut.

A recessed handle is used. The finish in the image is the catalog choice — a different finish can be selected from our surface finish options.

The design language is best described as modern pivot.

Suitable Entrances

It is chosen primarily for office and plaza entrances and hotel and showroom entrances. The one-piece leaf presents an unbroken surface when viewed from outside. Because the load rests on the floor rather than on hinges, the leaf can be far wider and thicker. Since it needs swing clearance, it is not suited to narrow entrances that open directly onto stairs; the requirements are listed on the when to choose a pivot door page.

From Measurement to Installation

We take the measurements during the survey — working from the door opening, not the existing leaf; the method is explained on the how measurements are taken page. You will find this model's frame, leaf and lock specifications in the table below; the lock systems and galvanized or DKP sheet steel pages cover the options in detail. After installation, our care and lifespan guidance and warranty and service terms apply.

Frequently Asked Questions

How much does the TR312 model cost?

There is no fixed price — since every leaf is made to measure, the total depends on the dimensions, the surface finish and the lock you choose. After the survey we send a written, fully itemized quotation. We break down the cost items on our steel door prices page.

Can the TR312 be produced in a different color?

Yes — the color is not fixed. Dark walnut is what appears in the catalog, but the finish is decided per project; on our surface finish options page we explain which surface works best where.

Do I need to take the measurements myself?

Measuring is our job. We measure the clear width of the door opening, its height from the finished floor and the wall thickness; the details are on the how measurements are taken page.

How do I get a quote for the TR312?

You can fill in the pre-order form on our website or reach us on 0532 689 21 46. Quoting product code TR312 in your request helps speed things up. You can browse our other pivot steel doors on the pivot steel door models page.

Specifications

Product codeTR312
CategoryPivot Steel Door Models
Leaf constructionpivot single leaf
Color / finishdark walnut
Surface patternfine vertical grooves, stainless steel band in the center
Handlerecessed handle
Design languagemodern pivot
GlassŞişecam 5+5 mm (0.394" total) laminated glass (impact resistant)
MechanismFloor- and ceiling-mounted pivot (rotating) mechanism
Rotation systemFloor and ceiling bearings — no conventional hinges used
Load transferLeaf weight is transferred to the floor, not the frame
Rotation axisDetermined per project based on leaf width (central or offset)
Floor preparationPreparation is required where the bottom bearing sits — assessed during site survey
Required clearanceClearance is needed in both directions, as the leaf swings both inward and outward
Maximum leafCustom project-based sizing — tall and wide leaf production
Sheet thicknessFrame 2 mm (0.079"), leaf 1.5+1.5 mm (0.118" total) DKP steel sheet (Ereğli A1)
FrameEreğli A1 grade 2 mm (0.079") DKP steel sheet, omega-bent
Frame reinforcementLock area and bearing seats reinforced with 3 mm (0.118") DKP steel sheet
LeafEreğli A1 grade 1.5 mm (0.059") + 1.5 mm (0.059") omega-bent, monoblock-reinforced pan system
Leaf reinforcementLock area and pivot shaft surround reinforced with 3 mm (0.118") angle bar
Leaf thicknessBare metal 70 mm (2.76") — 90 mm (3.54") in total
Infill80 kg/m³ rock wool
Lock surroundintegrated with 1 mm (0.039") grade 304 stainless steel
GasketSilicone-based rubber gasket on 3 sides of the frame, 4 sides of the leaf (insect-, dust- and airtight)
Surface finish10 mm (0.394") Camsan first-grade iroko
Finish optionsPowder coating, natural wood, marine plywood, iroko wood or composite compact laminate
VarnishPolyurethane infill, 90-micron coverage rating
PolishAkzo Nobel
Accessoriesfirst-grade 304 stainless steel or 316 Häfele stainless brass (depending on climate conditions)
InstallationInstalled by aligning the floor and ceiling bearings; one-piece frame, fixed with M8 bolts
Frame-to-wall gap1 cm (0.394"), filled with polyurethane foam
ProductionManufactured to custom on-site measurements
WarrantyUnlimited coverage for manufacturing defects — 2-year official warranty certificate
Lock systemOptional hook-bolt, monoblock or central — Italian Mottura or Mul-T-Lock

Frequently Asked Questions

What is the lead time for a custom villa door?

Production takes 20-25 days from the day the specification is approved. Custom detailing — carved cladding, oversized leaves, special glass — can extend that, and we confirm the date in writing before starting. Ocean freight time to the destination port is added on top.

How are steel doors packaged for sea freight export?

Each door is crated in a wooden case built to its own dimensions, with edge protection and corner blocks, then strapped to prevent movement inside the container. Full container loading is used for project quantities; single doors and small orders ship as groupage cargo.

What measurements do you need to quote?

The width, height and wall thickness of the rough opening, in millimetres or in inches — whichever your drawings use. Photographs of the opening from inside and outside help us confirm the swing direction and the frame detail. No site visit is needed.

Can you manufacture to imperial (inch) dimensions?

Yes. An opening given as 36 x 80 inches is manufactured to that dimension directly. Nothing is converted to a nearest metric size and rounded, so the door arrives at the size your drawing specifies.

Who installs the door at the destination?

Your own contractor. Every shipment includes an installation drawing and the frame fixing set, and the frame is designed to be set into the opening without special tooling.

What export documents travel with the shipment?

Commercial invoice, packing list and certificate of origin, plus whatever else the customs broker at the destination requires. Documentation is prepared before the container leaves the factory.

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