| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 1830 x 780 x 800 mm | |
|---|---|---|
| Seat height from floor | 420 mm | |
| Per-position seat width | 560 mm | |
| Seat depth per position | 490 mm | |
| Backrest height above seat | 380 mm | |
| Armrest height above seat | 220 mm | |
| Leg splay spread at floor | 720 mm | |
| Floor glide diameter | 50 mm | |
| Perforation hole diameter | 8 mm | |
| Seat pan 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
| Per-seat static load capacity | 200 kg | |
|---|---|---|
| Backrest backward pressure resistance | 100 kg | |
| Net weight per complete unit | 32 kg | |
| Recommended maximum occupancy | 3 users | |
| Powder coating abrasion resistance | 2000 cycles | |
| Outdoor weather resistance suitability | Moderate | |
| 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 pans | 1.5mm perforated cold-rolled steel, formed curved profile, powder coated | |
|---|---|---|
| Backrest panels | 1.5mm perforated cold-rolled steel, rolled top edge, color-matched powder coated | |
| Support beam | 2.0mm thick triangular steel tube, powder coated, welded connection plates | |
| Armrests | 12mm diameter bent steel tube, yellow powder coated, welded to end leg assemblies | |
| Support legs | 1.6mm thick splayed bent steel, yellow powder coated, angled outward for stability | |
| Connection brackets | 5mm stamped steel plates, welded and bolted to join seat/back panels to beam | |
| Floor glides | Stainless steel base with TPE non-slip pad, adjustable thread for level installation | |
| Surface finish | Electrostatic polyester powder coating, multi-color RAL matched (pink, blue, yellow) | |
| 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 | Three fixed contiguous individual seats mounted on a central steel beam | |
|---|---|---|
| Ventilation design | Perforated backrest and partial seat perforations allow constant airflow | |
| Armrest access | Fixed loop armrests installed only at the two outermost seat ends | |
| Floor leveling | Adjustable threaded glides at each leg foot compensate for uneven floor surfaces | |
| Assembly structure | Knock-down (KD) bolted assembly for flat-pack shipping | |
| Surface cleaning | Smooth powder coated metal surfaces with no fabric crevices | |
| Structural stability | Splayed outward angled legs create a wide support base | |
| Color coding | Distinct color panels for each seat position support visual wayfinding | |
| 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 outpatient waiting areas | Durable, easy-to-clean perforated metal construction supports high-traffic medical use | |
|---|---|---|
| Airport and train station concourses | Fixed beam structure resists heavy use and enables quick passenger turnover | |
| Pediatric clinic reception zones | Bright color-blocked panels create a welcoming, low-anxiety waiting environment | |
| School and public administration lobbies | Low-maintenance metal finish withstands daily public use without upholstery wear | |
| Covered outdoor bus waiting shelters | Powder coated steel construction resists moisture in semi-outdoor applications | |
| Bank and retail service waiting areas | Slim profile provides clear sightlines to service counters for waiting customers | |
| 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 waiting areas | |
|---|---|---|
| EN 1022:2018 | Furniture – Seating – Determination of stability, applicable to tipping resistance validation | |
| EN 13722:2004 | Furniture – Assessment of surface resistance to cold liquids, applicable to cleanable public seating finishes |
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 3324-2017 | General technical requirements for metal furniture, applicable to structural stability and finish quality | |
|---|---|---|
| GB/T 10357.2-2013 | Furniture mechanical test for seat and back static load, applicable to public seating load validation | |
| GB/T 10357.3-2013 | Furniture mechanical test for seat and back durability, applicable to high-cycle public use | |
| GB 18584-2001 | Indoor decorating and refurbishing materials limit of harmful substances for furniture, applicable to coating emission checks |
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 10357.2-2013: Furniture mechanical test for seat and back static load, applicable to public seating load validation; 3. GB/T 10357.3-2013: Furniture mechanical test for seat and back durability, applicable to high-cycle public use; 4. GB 18584-2001: Indoor decorating and refurbishing materials limit of harmful substances for furniture, applicable to coating emission checks; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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