| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 1750 x 680 x 880 mm | |
|---|---|---|
| Individual seat width | 520 mm | |
| Seat height from floor | 435 mm | |
| Individual seat depth | 460 mm | |
| Backrest height above seat | 510 mm | |
| Armrest height above seat | 220 mm | |
| Knee clearance under seat | 435 mm | |
| Leg spread width (end to end at floor) | 1680 mm | |
| Support beam cross-section | 68 x 68 mm | |
| Floor glide diameter | 50 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 net weight | 45 kg | |
|---|---|---|
| Total static load capacity | 900 kg | |
| Individual seat static load rating | 300 kg | |
| Design service life | 20 years | |
| Surface stain resistance | Wipe-clean non-porous surface | |
| Frame corrosion resistance | Powder-coated rust-proof finish | |
| Weld joint static load rating | 1200 kg | |
| 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 | 20mm thick self-skin molded polyurethane, integrated steel insert | |
|---|---|---|
| End armrests | 2.0mm thick die-cast aluminum alloy, silver nano-sparkle powder coat | |
| Support beam | 2.0mm wall thickness hexagonal steel tube, electrostatic powder coat | |
| Leg assemblies | 2.0mm thick die-cast aluminum alloy, splayed Y-shape, silver finish | |
| Floor glides | 50mm diameter anti-slip nitrile rubber, adjustable leveling base | |
| Beam fasteners | Grade 8.8 zinc-plated steel bolts, lock washers | |
| Seat mounting brackets | 1.5mm thick stamped steel, black powder coat | |
| Surface finish on metal parts | Lead-free electrostatic polyester 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 |
Adjustment / rotation / tilt / mobility / storage features
| Seating configuration | Fixed 3-position tandem seating on single rigid beam | |
|---|---|---|
| Floor mounting | Free-standing with anti-slip glides, optional bolt-down fixation | |
| Armrest layout | Two end-position armrests only, no intermediate dividing armrests | |
| Seat ergonomics | Contoured lumbar curve and waterfall front seat edge | |
| Modular part replacement | Individual seat/back/armrest/leg components are bolt-replaceable | |
| Cleaning access | Open under-seat frame with no enclosed gaps | |
| Seat attachment | Bolted bracket mounting to central beam | |
| 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
| Shipping carton dimensions | 1800 x 720 x 270 mm | |
|---|---|---|
| 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
| 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
| Office and public seating safety requirements | EN 16139:2013 | |
|---|---|---|
| Furniture surface emission limits | EN 13986:2004+A1:2015 |
US and Canada office-furniture standards
| Multi-seat public seating performance | ANSI/BIFMA X2022 | |
|---|---|---|
| Floor glide performance | ANSI/BIFMA X2017 |
Standards applicable to China-market projects
| Public seating structural safety | GB/T 3326 | |
|---|---|---|
| Metal furniture coating performance | GB/T 3325 | |
| Furniture mechanical performance for public seating | GB/T 10357.3 |
This product must meet the following technical requirements: 1. Public seating structural safety: GB/T 3326; 2. Metal furniture coating performance: GB/T 3325; 3. Furniture mechanical performance for public seating: GB/T 10357.3; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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