| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 1800 x 768 x 890 mm | |
|---|---|---|
| Seat center-to-center spacing | 600 mm | |
| Individual seat width | 520 mm | |
| Seat depth | 460 mm | |
| Seat height (floor to seat surface) | 450 mm | |
| Backrest height above seat | 510 mm | |
| Armrest height (floor to arm top) | 620 mm | |
| Support beam cross-section height | 68 mm | |
| Armrest length | 330 mm | |
| Leg fore-aft spread length | 630 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 (3-seat unit) | 75 kg | |
|---|---|---|
| Per-seat static load rating | 200 kg | |
| Total unit static load rating | 600 kg | |
| PU panel service life | 20 years | |
| Surface corrosion resistance coating durability | 8 years | |
| Recommended maximum seated occupants | 3 | |
| 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 | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back panels | 30mm thick self-skin integral polyurethane foam | |
|---|---|---|
| Seat inner support frame | 1.5mm thick welded cold-rolled steel | |
| Armrests and support legs | ADC12 die-cast aluminum with nano-spray anti-oxidation coating | |
| Central support beam | 3.0mm wall thickness hexagonal aluminum alloy | |
| Fasteners and connection brackets | Die-cast aluminum brackets with self-locking steel nuts and anti-loosening washers | |
| Floor glides | Height-adjustable anti-slip nylon/rubber pads | |
| Metal surface finish | Silver electrostatic powder coating with anti-rust pretreatment | |
| Beam end caps | Impact-resistant ABS plastic caps to cover exposed beam ends | |
| 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 | Fixed linear 3-position gang layout with modular connection points | |
|---|---|---|
| Floor mounting feature | Adjustable leveling glides for uneven floors, optional permanent floor bolting | |
| Seat replacement capability | Individual seat/back units detachable from central beam for maintenance | |
| Surface maintenance feature | Non-porous PU surface compatible with chlorine-based disinfectant wiping | |
| Optional accessory mounting | Pre-punched connection points for add-on side tables, USB ports or IV poles | |
| Stability feature | Splayed X-form end legs with wide footprint to prevent tipping under uneven load | |
| Noise reduction feature | Rubber glides isolate metal frame from hard flooring to eliminate movement noise | |
| 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 | Suitable for high-traffic transit zones due to durable metal frame and wipe-clean PU surface | |
|---|---|---|
| Hospital and clinic waiting zones | Compatible with disinfectant cleaning for medical infection control requirements | |
| Railway and bus station waiting halls | High load rating and long service life suit continuous daily public use | |
| Bank and government service hall visitor areas | Neutral silver/black aesthetic fits formal public service interior design | |
| School and corporate reception waiting areas | Standard 3-seat layout efficiently organizes queuing visitor traffic | |
| 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
| Office/public seating stability standard | EN 16139:2013 Furniture - Seating for non-domestic use - Strength, durability and stability | |
|---|---|---|
| Upholstered furniture fire standard | EN 1021:2014 Furniture - Assessment of ignitability of upholstered furniture - Ignition source smouldering cigarette |
US and Canada office-furniture standards
| Multi-seat seating performance standard | ANSI/BIFMA X2020Lounge and Public Seating |
|---|
Standards applicable to China-market projects
| Public seating safety requirement | GB/T 35607General technical requirements for public seating | |
|---|---|---|
| Furniture environmental standard | GB 18584Indoor decorating and refurbishing materials - Limit of harmful substances of wooden furniture | |
| Flame retardancy requirement | GB 20286Flame retardant products and components in public places |
This product must meet the following technical requirements: 1. Public seating safety requirement: GB/T 35607General technical requirements for public seating; 2. Furniture environmental standard: GB 18584Indoor decorating and refurbishing materials - Limit of harmful substances of wooden furniture; 3. Flame retardancy requirement: GB 20286Flame retardant products and components in public places; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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