| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
No corrections yet. Use the flag at the end of a row to report an issue. | ||||
Automatic mm / inch conversion · Core engineering specifications
| Overall per-seat footprint (stowed position) | 640 x 780 x 1000 mm | |
|---|---|---|
| Usable seat width per position | 440 mm | |
| Usable seat depth | 420 mm | |
| Seat surface height from finished floor | 449 mm | |
| Writing tablet surface height from finished floor | 760 mm | |
| Writing tablet usable size | 520 x 300 x 25 mm | |
| Center-to-center seat spacing per position | 640 mm | |
| Floor anchor base plate length | 375 mm | |
| Backrest panel usable size | 510 x 355 mm | |
| Modesty panel height between adjacent rows | 620 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 net weight (installed) | 38 kg | |
|---|---|---|
| Recommended static user load per seat | 150 kg | |
| Seat return mechanism cycle rating | 100000 cycles | |
| Seat cushion foam density | 45 kg/m³ | |
| Seat cushion foam thickness (maximum point) | 85 mm | |
| Backrest foam thickness (maximum point) | 80 mm | |
| Upholstery fabric abrasion resistance | 50000 Martindale cycles | |
| Standard product warranty | 5 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Shared row support frame | 2.5mm thick cold-rolled steel, black electrostatic powder-coated finish | |
|---|---|---|
| Floor anchor feet | 4mm thick steel plate with concealed expansion bolt mounts, black powder-coated | |
| Curved inter-row modesty panel | Black breathable woven mesh stretched over 1.2mm steel inner frame | |
| Seat cushion core | High-resilience cold-cured polyurethane foam, wrapped in fire-retardant dark fabric | |
| Writing tablet substrate | 25mm thick multi-layer particleboard core with light wood-tone fire-resistant laminate, PVC edge banding | |
| Writing tablet support bracket | 1.8mm thick cold-rolled steel, black powder-coated with pivoting hinge | |
| Underseat utility rack | 4.8mm diameter cold-drawn steel wire, black powder-coated, suitable for books and bag storage | |
| Hardware fasteners | Electroplated hex-socket cap screws with anti-corrosion treatment | |
| 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
| Seat return operation | Gravity-driven automatic quiet return to stowed position when seat is vacated | |
|---|---|---|
| Writing tablet operation | Pivoting hinge allows tablet to rotate to stowed position alongside seat when not in use | |
| Floor mounting requirement | Permanent anchoring to tiered concrete or raised access flooring via concealed base bolts | |
| Sightline design | Tiered row elevation geometry provides unobstructed forward view of presentation area for all occupants | |
| Underseat storage | Integrated wire rack under each seat supports temporary storage of bags, books or personal items | |
| Modesty panel function | Curved mesh panel between rows blocks direct sightline to occupants of the row ahead, maintains ventilation | |
| Configuration flexibility | Seating rows can be custom-sized to match auditorium/lecture hall layout and tier step dimensions | |
| 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
| University tiered lecture halls | Provides durable fixed seating with writing surface for long-duration class sessions | |
|---|---|---|
| Corporate training and conference auditoriums | Supports note-taking and presentation viewing for large group training events | |
| Multi-purpose school assembly halls | Withstands daily high-traffic use for student assemblies and special events | |
| Government and public institution meeting halls | Meets public space safety and durability requirements for official meetings | |
| Recommended mounting surface | Stepped concrete or raised tiered flooring designed for permanent fixed seating | |
| Layout customization option | Row lengths can be adjusted to fit venue width, with left/right aisle end caps available | |
| 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 | Safety, strength and durability requirements applicable to public auditorium seating | |
|---|---|---|
| EN 1022:2018 | Stability testing requirements applicable to fixed installed seating | |
| EN 13501-1:2018 | Fire classification requirement for construction and furnishing products in public spaces |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements applicable to wooden furniture components including writing tablets | |
|---|---|---|
| GB/T 24821-2009 | Performance and safety requirements applicable to public auditorium and theater seating | |
| GB 20286-2006 | Flame retardant requirements for upholstered furniture in public assembly spaces |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements applicable to wooden furniture components including writing tablets; 2. GB/T 24821-2009: Performance and safety requirements applicable to public auditorium and theater seating; 3. GB 20286-2006: Flame retardant requirements for upholstered furniture in public assembly spaces; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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