| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall unit dimensions | 1180 x 760 x 1000 mm | |
|---|---|---|
| Per-seat width | 590 mm | |
| Seat height from floor to cushion top | 450 mm | |
| Seat cushion depth | 500 mm | |
| Backrest total height above seat | 550 mm | |
| Writing tablet deployed surface dimensions | 340 x 255 mm | |
| Writing tablet deployed height above seat | 260 mm | |
| T-stand leg base footprint width per seat | 280 mm | |
| Seat cushion thickness | 120 mm | |
| Backrest padding thickness | 80 mm | |
| Wood arm cap thickness | 30 mm | |
| Clearance between ganged seat centers | 590 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Per-seat recommended static load capacity | 160 kg | |
|---|---|---|
| Net weight per double 2-seat unit | 100 kg | |
| Seat cushion foam density | 55 kg/m³ | |
| Backrest foam density | 45 kg/m³ | |
| Foam rebound rate | 60% | |
| Upholstery fabric abrasion resistance | 50000 cycles | |
| Product limited warranty period | 8 years | |
| Seat return mechanism cycle life | 100000 cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Heavy-duty woven polyester fabric, mustard yellow color, anti-fouling, anti-static treated | |
|---|---|---|
| Seat cushion core | Cold-molded high-resilience polyurethane foam, supported by inner serpentine spring grid | |
| Backrest core and inner panel | 12 mm thick plywood inner panel wrapped in molded polyurethane foam | |
| Armrest caps | 30 mm thick solid beech wood with clear matte lacquer finish | |
| Structural frame and T-stand legs | 2.0 mm thick powder-coated carbon steel with brushed aluminum accent trim | |
| Stowable writing tablet | Matte black PP/ABS plastic surface with steel support stem, dark brown inner tablet | |
| Seat return mechanism | Steel torsion spring with hydraulic damping cylinder for quiet auto-return | |
| Floor mounting hardware | Galvanized steel expansion bolts with T-leg base plates for permanent floor fixing | |
| Seat edge trim | Solid wood veneer edge banding matching armrest finish | |
| 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
| Seat operation | Spring-damped automatic tip-up return, folds vertically when unoccupied to free aisle space | |
|---|---|---|
| Writing tablet operation | Swivel fold-out design, stows flush under armrest when not in use, deploys horizontally for use | |
| Row mounting configuration | Ganged modular design, connects to adjacent units for continuous straight or curved row installation | |
| Installation method | Permanent fixed floor anchoring via T-stand base plates, suitable for flat or tiered auditorium floors | |
| Ergonomic support | Contoured high back with integrated rounded headrest, upright lumbar support for long-duration seated use | |
| Noise dampening | Damped seat return mechanism eliminates impact noise during seat folding for quiet venues | |
| Tablet position stability | Rigid steel support stem prevents wobble during writing or laptop use, locks in deployed position | |
| 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
| Total packaged gross weight per double unit | 110 kg | |
|---|---|---|
| Total packaging volume per double unit | 0.58 CBM | |
| Indicative 40HQ container loading capacity | 260 units | |
| 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
| University lecture halls | Fixed row seating with writing tablets supports note-taking and exam use for class sizes over 50 students | |
|---|---|---|
| Corporate conference auditoriums | Formal high-back design provides ergonomic support for long meetings, presentations and training events | |
| Government and institutional assembly halls | Durable fixed floor mounting withstands high daily traffic for public hearings and official events | |
| Cinema screening rooms with note-taking requirements | Upright profile supports post-screening discussions and educational film events | |
| Tiered training centers | Tip-up seats allow easy row access, stowable tablets keep aisles clear when not in use | |
| School multi-purpose halls | Wood-accent trim matches formal campus interiors, durable fabric resists frequent student 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 13761:2002 | Test methods and requirements for strength and durability of public audience seating | |
|---|---|---|
| EN 1022:2018 | Stability testing standard for permanently installed fixed seating in assembly areas | |
| EN 12727:2000 | Performance requirements for ranked auditorium and lecture hall fixed seating |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to wood armrest and panel components | |
|---|---|---|
| GB/T 3325-2017 | General technical requirements for metal furniture, applicable to steel frame and leg components | |
| GB 20286-2006 | Fire safety requirements for flame-retardant public seating components in public assembly venues | |
| GB/T 19001-2016 | Quality management system requirement for production and quality control of public seating |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to wood armrest and panel components; 2. GB/T 3325-2017: General technical requirements for metal furniture, applicable to steel frame and leg components; 3. GB 20286-2006: Fire safety requirements for flame-retardant public seating components in public assembly venues; 4. GB/T 19001-2016: Quality management system requirement for production and quality control of public seating; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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