| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall assembled dimensions | 1830 x 768 x 890 mm | |
|---|---|---|
| Individual seat width | 580 mm | |
| Seat depth | 480 mm | |
| Seat height from floor | 440 mm | |
| Backrest height above seat | 600 mm | |
| Armrest height from floor | 700 mm | |
| Structural support beam cross-section | 90 x 80 mm octagonal cold-rolled steel | |
| Leveling glide diameter | 30 mm | |
| Single leg front-back splay span | 630 mm | |
| Seat pad thickness | 30 mm | |
| Center-to-center seat spacing | 600 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
| Product net weight | 45 kg | |
|---|---|---|
| Single seat static load capacity | 150 kg | |
| Structural durability cycle rating | 50000 sit cycles | |
| Total recommended user capacity | 3 adults | |
| Leveling glide vertical adjustment range | 15 mm | |
| Claimed structural service life | 20 years | |
| Upholstery surface abrasion resistance | 50000 Martindale cycles | |
| 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 backrest upholstery | 0.8mm thick dark gray polyurethane (PU) with horizontal recessed stitching, waterproof and disinfectable | |
|---|---|---|
| Seat and backrest padding | 30mm thick high-density cold-cure PU foam, density 45kg/m³, 40% rebound rate | |
| Internal seat/back frame | 1.2mm thick welded flat steel tube with 1.0mm steel support plate, rust-proofed before coating | |
| Central structural beam | 2.0mm wall thickness cold-rolled octagonal steel tube, epoxy powder-coated black, with plastic end caps | |
| Legs and end armrests | 5mm thick high-pressure die-cast aluminum alloy, polished silver finish, rounded smooth edges | |
| Leveling feet | 30mm diameter black polypropylene glides with stainless steel floor contact caps, adjustable thread | |
| Fastening hardware | Grade 8.8 metric steel screws with self-locking nuts and spring washers, concealed anti-tamper installation | |
| Beam mounting brackets | 2.5mm thick cold-rolled steel welded brackets, zinc-plated for corrosion resistance | |
| 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
| Structure type | Fixed non-reclining, non-folding, non-rotating linear tandem beam design for permanent public installation | |
|---|---|---|
| Seat modularity | Individual seat units fastened to central beam via steel brackets, allowing single-seat replacement without full disassembly | |
| Floor leveling | Four independently adjustable screw glides at each leg base, compensating for up to 15mm of uneven floor surface | |
| Floor mounting compatibility | Pre-drilled fixing points on leg bases support optional expansion bolt anchoring to hard floors for anti-tip stability | |
| Upholstery maintenance | Smooth non-porous PU surface supports wipe-down disinfection with common hospital-grade cleaning agents | |
| Seat ergonomics | Contoured downward-sloped seat pan and 105-degree angled backrest support upright seated posture for extended waiting periods | |
| Armrest design | Curved closed-end aluminum armrests only at outermost seat positions to maximize seating capacity in narrow spaces | |
| Accessory compatibility | Beam structure supports field installation of optional USB charging ports, side tables, or IV poles without structural modification | |
| 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 | Disinfectable PU surface and durable metal structure meet high-frequency healthcare facility requirements | |
|---|---|---|
| Airport and railway transit waiting zones | High static load capacity and stable splayed leg design support continuous heavy passenger traffic | |
| Government service hall and bank queuing areas | Fixed anti-tamper construction and neat linear layout suit formal public service spaces | |
| School and office reception waiting zones | Ergonomic contoured seating provides comfortable upright support for short to medium wait times | |
| Indoor public installation only | Powder-coated metal and PU upholstery are not rated for long-term outdoor UV or rain exposure | |
| Recommended layout clearance | Minimum 1000mm clear aisle space behind the seat row to allow pedestrian passage | |
| 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 for public waiting area load and stability testing | |
|---|---|---|
| EN 1022:2018 | Furniture - Seating - Determination of stability, applicable for anti-tip testing of multi-seat beam units | |
| EN 14465:2003 | Furniture - Upholstered furniture - Upholstery fabrics abrasion resistance test method, applicable for PU surface durability validation |
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 | Metal furniture general technical conditions, applicable for structural strength, dimensional tolerance and finish requirements | |
|---|---|---|
| GB/T 6461-2002 | Salt spray corrosion resistance rating for metal surfaces, applicable for aluminum and steel coated component evaluation | |
| GB 18584-2001 | Indoor decoration materials - limit of harmful substances in wood furniture, applicable for PU foam and upholstery volatile emission limits | |
| Metal finish salt-spray corrosion resistance | Grade 10 per GB/T 6461 |
This product must meet the following technical requirements: 1. GB/T 3325-2017: Metal furniture general technical conditions, applicable for structural strength, dimensional tolerance and finish requirements; 2. GB/T 6461-2002: Salt spray corrosion resistance rating for metal surfaces, applicable for aluminum and steel coated component evaluation; 3. GB 18584-2001: Indoor decoration materials - limit of harmful substances in wood furniture, applicable for PU foam and upholstery volatile emission limits; 4. Metal finish salt-spray corrosion resistance: Grade 10 per GB/T 6461; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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