| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| overall dimensions | 1800 x 768 x 900 mm | |
|---|---|---|
| single seat width | 530 mm | |
| seat height above floor | 440 mm | |
| seat depth (front to back) | 460 mm | |
| backrest height above seat | 510 mm | |
| seat center-to-center spacing | 600 mm | |
| armrest height above floor | 620 mm | |
| armrest length | 385 mm | |
| armrest width | 40 mm | |
| single leg front-to-back splay length | 630 mm | |
| leg foot contact diameter | 45 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
| net weight (reference) | 38 kg | |
|---|---|---|
| single seat static load capacity | 150 kg | |
| seat surface vertical pressure resistance | 2000 N | |
| backrest horizontal pressure resistance | 760 N | |
| integral PU service life (high-traffic use) | 20 years | |
| PU surface abrasion resistance (reference) | 50000 cycles | |
| base stability deflection (level load) | 1.0 mm | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| seat and backrest panels | 30 mm thick molded integral self-skin PU | |
|---|---|---|
| internal seat/back support core | 1.5 mm cold-rolled steel plate fully wrapped in PU | |
| main horizontal support beam | 90 mm hexagonal aluminum alloy tube, 3.0 mm wall thickness | |
| support legs | One-piece die-cast aluminum alloy herringbone legs, 2.8 kg per leg | |
| end armrests | Die-cast aluminum alloy open-loop armrests with polished chrome finish | |
| fasteners | M8 and M10 hex socket bolts with self-locking nuts and spring washers | |
| leg floor feet | Adjustable chrome-plated steel feet with anti-slip rubber pads | |
| metal surface treatment | Electrostatic powder coating on internal steel parts, polished finish on aluminum | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Gas-lift Engineering Specification | Recommended Class 4; outer tube 50 mm; stroke 100 mm | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel |
Adjustment / rotation / tilt / mobility / storage features
| seating configuration | Linear 3 connected fixed seats on shared aluminum beam, no intermediate armrests | |
|---|---|---|
| installation type | Free-standing or floor-anchored fixed installation with adjustable leveling feet | |
| seat ergonomics | Waterfall-front contoured seats and curved upright backrests for short-term waiting support | |
| cleaning suitability | Non-porous seamless PU surface allows full disinfection and wipe cleaning | |
| structural stability | Four splayed herringbone legs distribute load evenly to prevent tipping | |
| adjustment features | No recline, swivel, lift or tilt mechanisms; permanently fixed public seating position | |
| optional accessories (reference) | Side tables, USB charging ports, row signage or coat hooks may be added via beam mounts | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| Height Adjustment Stroke | 100 mm continuous travel | |
| Rotation / Mobility Configuration | 360° swivel with 5-caster multidirectional movement |
Verified carton / gross weight / assembly / loading data
| 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 | |
| Indicative 40HQ Loading | 320 sets at 85% space utilization |
Recommended spaces / users / usage modes
| airport terminal waiting areas | High-traffic durable seating supports frequent short-term use and fast cleaning between occupants | |
|---|---|---|
| hospital and clinic waiting zones | Non-porous disinfectable surface meets infection control requirements for medical public spaces | |
| railway and bus station concourses | High static load and wear resistance suits continuous high-volume passenger use | |
| public service hall reception areas | Fixed stable configuration prevents rearrangement and maintains clear queue pathways | |
| office building lobby waiting spaces | Streamlined metal/red PU design complements modern commercial interior finishes | |
| indoor public facility rest areas | End armrests provide support without blocking access between adjacent seats | |
| Recommended Matching Desk Size | 2.4 m executive desk | |
| Reference Daily Use Duration | 8 hours/day; confirm by ergonomic testing |
EU Market Access Requirements* EN Standards
| EN 16139:2013 | Strength, durability and safety standard applicable for non-domestic public seating | |
|---|---|---|
| EN 1022:2018 | Stability test standard applicable for seating used in public waiting areas | |
| EN 13722:2004 | Upholstered furniture PU foam performance standard applicable for molded seat components |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | General purpose office/public seating test standard applicable for load and durability | |
|---|---|---|
| ANSI/BIFMA X5.4-2022 | Lounge and public seating standard applicable for multi-occupancy beam seating |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements applicable for metal furniture structural safety and finish | |
|---|---|---|
| GB/T 35607-2017 | Green product evaluation standard applicable for public area furniture VOC limits | |
| GB 18584-2001 | Indoor decorating material standard applicable for formaldehyde and heavy metal limits |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements applicable for metal furniture structural safety and finish; 2. GB/T 35607-2017: Green product evaluation standard applicable for public area furniture VOC limits; 3. GB 18584-2001: Indoor decorating material standard applicable for formaldehyde and heavy metal limits; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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