| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| overall dimensions | 1810 x 680 x 880 mm | |
|---|---|---|
| individual seat width | 520 mm | |
| seat height from floor | 450 mm | |
| seat depth | 500 mm | |
| backrest height above seat | 430 mm | |
| armrest height above floor | 650 mm | |
| leg splay width at floor | 700 mm | |
| under-beam knee clearance height | 350 mm | |
| armrest tube cross section | 40 x 20 mm | |
| support beam cross section | 80 x 90 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 unit | 40 kg | |
|---|---|---|
| single seat static load capacity | 150 kg | |
| armrest vertical static load | 1000 N | |
| seat surface fatigue cycle rating | 100000 cycles | |
| PU surface abrasion resistance | 10000 rub cycles | |
| recommended user capacity | 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 | |
| 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 units | 30mm thick integral self-skin polyurethane foam | |
|---|---|---|
| central support beam | 1.8mm wall thickness cold-rolled steel octagonal tube | |
| leg assemblies | 2.0mm thick cold-rolled steel splayed supports | |
| armrests | 1.0mm thick oval steel tube with integrated PU cover | |
| metal surface treatment | Acid pickling, phosphating, electrostatic powder coating | |
| internal PU support frame | 1.5mm thick cold-rolled steel flat tube | |
| floor contact pads | TPU non-slip adjustable glides | |
| beam end caps | Impact-resistant PP plastic plugs | |
| seam construction | Integral self-skin PU with no sewn seams | |
| 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
| seating configuration | Fixed linked 3-seat linear layout | |
|---|---|---|
| installation type | Freestanding floor-placed design | |
| surface maintenance | Seamless waterproof PU surface | |
| structural stability | 4-point splayed leg support with floor glides | |
| armrest configuration | Dual outer-end integrated armrests | |
| stacking compatibility | Non-stackable fixed beam assembly | |
| adjustment features | No adjustable components | |
| backrest recline angle | 110° | |
| 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 | Easy-clean disinfectant-compatible PU surface meets medical hygiene requirements | |
|---|---|---|
| airport and transit station waiting zones | High-durability construction withstands continuous high-volume public use | |
| public service hall visitor areas | Fixed stable structure reduces vandalism and maintenance requirements | |
| bank and office reception waiting spaces | Neutral teal finish complements formal public interior design schemes | |
| row installation recommendation | 900mm minimum row spacing to allow adequate pedestrian passage behind seats | |
| outdoor covered waiting areas | Powder-coated steel frame resists mild humidity and corrosion for semi-outdoor 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 | Furniture - Strength, durability and safety for non-domestic seating | |
|---|---|---|
| EN 13722:2004 | Furniture - Test methods for seating surface wear resistance |
US and Canada office-furniture standards
| North America procurement and testing reference | Recommended references: ANSI/BIFMA X5.4 |
|---|
Standards applicable to China-market projects
| GB/T 3325-2017 | General technical requirements for metal furniture, applicable for frame strength verification | |
|---|---|---|
| GB/T 10357.2-2013 | Furniture mechanical test for chair and stool seat/back static load | |
| GB/T 10357.3-2013 | Furniture mechanical test for chair and stool seat/back fatigue durability | |
| GB 24430.1-2009 | Public seating safety requirements for indoor waiting area furniture |
This product must meet the following technical requirements: 1. GB/T 3325-2017: General technical requirements for metal furniture, applicable for frame strength verification; 2. GB/T 10357.2-2013: Furniture mechanical test for chair and stool seat/back static load; 3. GB/T 10357.3-2013: Furniture mechanical test for chair and stool seat/back fatigue durability; 4. GB 24430.1-2009: Public seating safety requirements for indoor waiting area furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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