| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 1900 x 800 x 890 mm | |
|---|---|---|
| Single seat width | 580 mm | |
| Seat height from floor | 420 mm | |
| Seat depth | 490 mm | |
| Backrest height above seat | 600 mm | |
| Armrest height above floor | 650 mm | |
| Support beam cross-section | 125 mm | |
| Leg spread width | 780 mm | |
| Floor glide diameter | 50 mm | |
| Perforation hole diameter | 8 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 per 3-seat unit | 52 kg | |
|---|---|---|
| Static load per individual seat | 150 kg | |
| Total frame static load capacity | 450 kg | |
| Armrest vertical static load | 120 kg | |
| Seating cycle durability | 50000 cycles | |
| Powder coating thickness | 70 μm | |
| Recommended maximum occupancy | 3 adults | |
| 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 back panels | 1.8 mm perforated cold-rolled steel, electrostatic powder coated | |
|---|---|---|
| Armrest and leg assemblies | 2.0 mm polished die-cast aluminum alloy, chrome-finished | |
| Central support beam | 2.5 mm black powder-coated Q195 triangular steel tube | |
| Welded connection brackets | 5 mm stamped steel plate, CO2 shielded welded | |
| Floor contact glides | Non-slip rubber with chrome-plated metal trim cap | |
| Edge trim between seats | Polished chrome-plated steel divider strips | |
| Surface finish process | Acid pickled, phosphated, 70μm electrostatic powder coating | |
| 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 | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| Seating configuration | Fixed connected 3-position row on shared central beam | |
|---|---|---|
| Floor mounting option | Compatible with expansion bolt fixed floor installation | |
| Surface ventilation | Perforated seat and back mesh enables continuous air flow | |
| Cleaning access | Smooth welded edges and open perforated design supports wipe-down sanitation | |
| Seat separation | Raised metal dividers define individual seating positions for orderly use | |
| Anti-tip stability | Splayed four-point leg base with non-slip glides prevents lateral tipping | |
| Configuration customization | Supports add-on center tables, USB ports or infusion poles per public area needs | |
| 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 design supports continuous daily use by transient passengers | |
|---|---|---|
| Hospital and clinic waiting zones | Ventilated perforated surface and easy-clean finish meets hygiene requirements | |
| Railway and bus station concourses | Fixed anti-tip structure prevents unauthorized movement or repositioning | |
| Government service hall queuing areas | Neutral silver finish and ordered seat division supports formal public spaces | |
| Bank and office reception waiting areas | Compact 3-seat footprint fits small reception zones without excess space | |
| Indoor public corridor rest points | Scratch-resistant powder coat finish withstands frequent heavy use | |
| 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 | Seating for non-domestic use, strength and durability requirements for public area chairs | |
|---|---|---|
| EN 1022:2018 | Domestic and non-domestic seating, stability test methods for free-standing chairs |
US and Canada office-furniture standards
| North America procurement and testing reference | ANSI/BIFMA X5.4 Public and Lounge Seating |
|---|
Standards applicable to China-market projects
| GB/T 3325-2017 | General technical requirements for metal furniture, applicable for structural strength and finish acceptance | |
|---|---|---|
| GB/T 6461-2002 | Rating of salt spray corrosion resistance for painted metal surfaces, Grade 10 recommended | |
| GB/T 10357.3-2013 | Furniture mechanical test methods for seating static load and durability | |
| Salt spray corrosion resistance rating | Grade 10 per GB/T 6461 |
This product must meet the following technical requirements: 1. GB/T 3325-2017: General technical requirements for metal furniture, applicable for structural strength and finish acceptance; 2. GB/T 6461-2002: Rating of salt spray corrosion resistance for painted metal surfaces, Grade 10 recommended; 3. GB/T 10357.3-2013: Furniture mechanical test methods for seating static load and durability; 4. Salt spray corrosion resistance rating: Grade 10 per GB/T 6461; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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