| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall unit dimensions | 1810 x 768 x 800 mm | |
|---|---|---|
| Seat height from floor | 450 mm | |
| Per-seat usable width | 603 mm | |
| Seat usable depth | 460 mm | |
| Backrest height above seat | 410 mm | |
| Armrest height above seat | 220 mm | |
| Leg splay width at floor | 720 mm | |
| Beam cross-section | 80 x 40 mm | |
| Floor foot diameter | 60 mm | |
| Seat-to-seat divider gap | 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
| Per-seat static load capacity | 150 kg | |
|---|---|---|
| Unit net weight | 28 kg | |
| Seat material thickness | 30 mm | |
| Surface abrasion resistance | 10000 cycles | |
| Recommended daily traffic throughput | 300 uses | |
| Frame corrosion resistance | 500 hours salt spray | |
| 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 backrest shells | 30mm thick integral-skin molded blue polyurethane | |
|---|---|---|
| Main support beam | 2.0mm wall thickness cold-rolled rectangular steel tube with black powder coat | |
| Outrigger leg sets | 2.0mm thick polished chrome-plated cast aluminum alloy | |
| End armrests | 1.5mm thick polished chrome-plated bent steel tube | |
| Fasteners and connectors | Grade 8.8 zinc-plated steel bolts | |
| Floor contact feet | Chrome-plated steel base with TPE non-slip leveling pads | |
| Seat mounting brackets | 1.8mm thick stamped steel with anti-corrosion coating | |
| Surface finish on metal parts | High-gloss mirror polish on chrome components, matte black powder coat on beam | |
| 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
| Seat configuration | Fixed linear 3-seat tandem arrangement on single support beam | |
|---|---|---|
| Armrest placement | Two armrests installed only at the outermost ends of the unit | |
| Floor installation option | Compatible with both free-standing leveling use and bolt-down floor fixing | |
| Adjustment features | No tilting, rotating, or folding mechanisms for maximum durability | |
| Cleaning access | Smooth seamless molded surfaces with no fabric gaps for quick wipe-down sanitation | |
| Modular expandability | Beam supports 5seat configurations for custom layout assembly | |
| Leveling adjustment | Each foot offers 15mm vertical adjustment to compensate for uneven floors | |
| 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 zones | High-durability, easy-to-clean surfaces suitable for continuous high-volume passenger use | |
|---|---|---|
| Hospital and clinic waiting areas | Sanitary seamless construction supports frequent disinfection for healthcare environments | |
| Railway and bus station concourses | Stable bolt-down compatible design prevents shifting in high-foot-traffic transit spaces | |
| Bank and government service halls | Professional neutral appearance fits formal public service counter waiting areas | |
| Office reception and lobby areas | Compact linear layout organizes visitor queuing without blocking entry circulation | |
| School and lecture hall common areas | Vandal-resistant fixed construction stands up to heavy student use in public campus spaces | |
| 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
| Public seating safety requirements | EN 16139:2013 | |
|---|---|---|
| Furniture ergonomic public seating | EN 1335:2020 |
US and Canada office-furniture standards
| Public lounge seating durability | ANSI/BIFMA X2021 | |
|---|---|---|
| Seating static load verification | ANSI/BIFMA X5.4 Clause 5 |
Standards applicable to China-market projects
| Public seating structural safety | GB/T 3324 | |
|---|---|---|
| Metal furniture surface durability | GB/T 1993 | |
| Formaldehyde emission limit | GB 18584 |
This product must meet the following technical requirements: 1. Public seating structural safety: GB/T 3324; 2. Metal furniture surface durability: GB/T 1993; 3. Formaldehyde emission limit: GB 18584; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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