Armless Black Upholstered Swivel Conference Chair with Polished 4-Star Base (model CONF-SW-4STAR-BLK-01) is listed under hotel guest room chair, with overall dimensions of 545 × 580 × 820 mm and main material of Imported Ash Solid Wood. Load capacity: 159 kg. Certifications: Armless,design,360-degree,swivel,fixed,non-tilting,back,stationary,glide,base,lumbar,cutout. This page consolidates 6 groups of specifications and GB / EN / ANSI/BIFMA standard references, with metric and imperial units. 1 supplier(s) are listed and you can request a quote online.
| Time | Field | Original Value | Corrected Value | Note / Status |
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Automatic mm / inch conversion · Core engineering specifications
Data source: Structured from factory data; final measured values prevail.
| Overall dimensions | 545 x 580 x 820 mm | |
|---|---|---|
| Seat height | 460 mm | |
| Seat width | 480 mm | |
| Seat depth | 440 mm | |
| Backrest height from seat | 370 mm | |
| Lumbar cutout dimensions | 180 x 120 mm | |
| 4-star base diameter | 631 mm | |
| Gas lift stem diameter | 50 mm | |
| Glide foot pad size | 30 x 15 mm | |
| Seat foam thickness | 60 mm | |
| Backrest foam thickness | 40 mm | |
| Under-seat knee clearance | 280 mm | |
| Base leg height | 30 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
Data source: Product performance data; verify exact test conditions before procurement.
| Net weight | 14 kg | |
|---|---|---|
| Recommended static load capacity | 159 kg | |
| Swivel rotation range | 360 degrees | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Seat foam density | 40 kg/m³ | |
| Back foam density | 30 kg/m³ | |
| Foam rebound rate | 45% | |
| Floor glide load rating | 40 kg per pad | |
| Commercial warranty | 2 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
Data source: Subject to the factory material list and inspection report.
| Seat and back upholstery | Black contract-grade fabric or faux leather | |
|---|---|---|
| Seat inner support shell | 7 mm curved stratified beech plywood | |
| Central support stem | Chrome-plated steel Ø50 mm gas lift cylinder | |
| Base structure | Polished die-cast aluminum 4-spoke frame | |
| Floor contact pads | Black polyamide glides with chrome ABS housing | |
| Internal fasteners | Zinc-plated steel hardware |
Adjustment / rotation / tilt / mobility / storage features
Data source: Functional configuration; the supplier specification prevails.
| Swivel mechanism | Smooth 360-degree rotation with PTFE friction bushing | |
|---|---|---|
| Backrest function | Fixed non-tilting, non-reclining contoured support | |
| Floor protection | Non-marring polymer glides suitable for hard flooring | |
| Lumbar support | Integrated molded contour with central ventilation cutout |
Verified carton / gross weight / assembly / loading data
Data source: Reference for export quotations and container planning.
| Reference Package Count | 1 set / 2 cartons | |
|---|---|---|
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm | |
| Reference Packaged Gross Weight | 23 kg/set | |
| Reference Carton Volume | 0.26 m³/set | |
| Indicative 20GP Loading | 135 sets at 85% space utilization |
Recommended spaces / users / usage modes
Data source: Recommended applications based on product form and category.
| Conference room seating | Fixed stable base for meeting rooms without wheeled mobility requirements | |
|---|---|---|
| Guest and reception areas | Armless compact footprint for visitor and waiting area placement |
EU Market Access Requirements* EN Standards
| EN 1335-2:2018 | Office work chair safety performance requirements applicable to structural testing | |
|---|---|---|
| EN 1022:2018 | Domestic and contract seating stability test standard | |
| EN 12520:2015 | Furniture seating mechanical strength and durability test requirements |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Standard for general-purpose office chairs for strength and durability |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture applicable to inner plywood shell | |
|---|---|---|
| GB/T 35607-2017 | Green product assessment standard applicable to furniture upholstery materials | |
| GB 28007-2011 | Safety and mechanical performance requirements for office seating |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture applicable to inner plywood shell; 2. GB/T 35607-2017: Green product assessment standard applicable to furniture upholstery materials; 3. GB 28007-2011: Safety and mechanical performance requirements for office seating; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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