| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall unit dimensions | 1800 x 780 x 860 mm | |
|---|---|---|
| Per-seat usable width | 520 mm | |
| Seat surface height from floor | 450 mm | |
| Seat panel depth | 490 mm | |
| Backrest total height from seat | 410 mm | |
| Armrest height from seat surface | 220 mm | |
| Support beam cross-section | 80 x 40 mm | |
| Leg span width (front to back) | 700 mm | |
| Adjustable floor glide adjustment range | 15 mm | |
| Seat panel front edge radius | 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
| Total unit static load capacity | 450 kg | |
|---|---|---|
| Seat-back tilt static load resistance | 100 kg | |
| Unit net weight | 28 kg | |
| Recommended daily user throughput | 300 cycles | |
| Surface corrosion resistance lifespan | 8 years | |
| Weld joint static load strength | 2000 N | |
| 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 | 1.5 mm thick perforated polished stainless steel plate | |
|---|---|---|
| Armrests | 1.5 mm thick polished stainless steel oval tube (40 x 20 mm) | |
| Main support beam | 2.0 mm thick rectangular steel tube with anti-rust treatment | |
| Support legs | 1.5 mm thick chrome-plated cast steel Y-shaped splayed legs | |
| Seat mounting brackets | 9 x 22 mm drawn hardened steel brackets | |
| Fasteners | Heat-treated stainless steel hex bolts and lock nuts | |
| Floor glides | 30 mm diameter non-slip nylon adjustable glides with stainless steel stem | |
| Edge trim | Solid-core stainless steel rolled edge strips | |
| Surface finish | Mirror-polished stainless finish on all exposed metal surfaces | |
| 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 |
Adjustment / rotation / tilt / mobility / storage features
| Fixed non-reclining seating structure | Rigid beam-mounted seats with no tilt or recline mechanism | |
|---|---|---|
| Integrated seat dividers | Vertical metal uprights separate three individual seating positions | |
| Adjustable floor leveling | Rotating glide feet adjust up to 15 mm to level the unit on uneven floors | |
| Ventilated perforated surface | Uniform perforations across seat and back panels improve air flow | |
| Modular expandability | End connection points allow linking multiple 3-seat units into longer rows | |
| Easy-to-clean hard surface | Smooth polished metal surfaces can be wiped or disinfected without damage | |
| End armrest support | Curved armrests at both outer ends of the unit provide support | |
| 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
| Hospital clinic waiting areas | Durable, disinfectable surface meets clinical hygiene and high-traffic requirements | |
|---|---|---|
| Airport and transit station waiting zones | Stable, low-maintenance construction handles continuous passenger use | |
| Bank and public service hall waiting areas | Neutral polished metal finish complements formal public interior designs | |
| Government office visitor waiting zones | Heavy-duty structure meets public sector furniture durability requirements | |
| Outdoor covered waiting shelters | Stainless steel construction resists humidity and light weather exposure | |
| Factory and workplace break areas | Rigid, easy-to-clean seating supports large employee shift turnover | |
| 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 | Furniture - Strength, durability and safety for non-domestic seating, applicable to public use ratings | |
|---|---|---|
| EN 1022:2018 | Furniture - Seating - Determination of stability, applicable to anti-tip leg design requirements | |
| EN 13722:2004 | Furniture - Test methods for surface finishes, applicable to metal coating durability |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2021 | Lounge and public seating standard, applicable to static load and durability performance benchmarks | |
|---|---|---|
| ANSI/BIFMA X5.1-2017 | General purpose office chairs - structural safety, applicable to stability test reference |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for metal furniture, applicable to structural stability and finish quality | |
|---|---|---|
| GB/T 24821-2009 | Public seating furniture for airport and waiting areas, applicable to load and safety requirements | |
| GB 18584-2001 | Indoor decorating and refurbishing materials - limit of harmful substances, applicable to coated metal surfaces |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for metal furniture, applicable to structural stability and finish quality; 2. GB/T 24821-2009: Public seating furniture for airport and waiting areas, applicable to load and safety requirements; 3. GB 18584-2001: Indoor decorating and refurbishing materials - limit of harmful substances, applicable to coated metal surfaces; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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