| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall per-seat dimensions | 580 x 560 x 1000 mm | |
|---|---|---|
| Seat height above floor | 490 mm | |
| Seat usable depth | 500 mm | |
| Clear individual seat width | 530 mm | |
| Armrest height above floor | 650 mm | |
| Seat center-to-center distance | 585 mm | |
| Minimum required row spacing | 900 mm | |
| Backrest rake angle | 11 degrees | |
| Pedestal foot plate length | 380 mm | |
| Armrest cap thickness | 20 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 | 22 kg | |
|---|---|---|
| Static seat load capacity | 150 kg | |
| Seat tip-up mechanism cycle life | 100000 cycles | |
| Seat foam density | 65 kg/m³ | |
| Backrest foam density | 57 kg/m³ | |
| Seat foam thickness | 40 mm | |
| Back foam thickness | 20 mm | |
| Product warranty period | 8 years | |
| 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 | Stain-resistant, flame-retardant fabric | |
|---|---|---|
| Inner seat/back shell | 15 mm multilayer plywood | |
| Structural frame and pedestal | 3.0 mm powder-coated cold-rolled steel | |
| Armrest top trim | 20 mm polished hardwood (oak/rubberwood) | |
| Seat cushion core | 65 kg/m³ cold-cured high-resilience PU foam with S-springs | |
| Back cushion core | 57 kg/m³ cold-cured high-resilience PU foam | |
| Rear seat back panel | Vented PP composite with textured black finish | |
| Steel surface finish | Electrostatic powder coating over phosphated steel | |
| Seat return mechanism | Steel spring with damping buffer | |
| 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 when unoccupied, quiet operation | |
|---|---|---|
| Mounting type | Fixed floor-mounted single T-pedestal per seat, anchored to concrete or raised floor | |
| Row configuration | Ganged interconnected seating with shared intermediate armrests between adjacent seats | |
| Back support | Contoured lumbar-support backrest fixed at 11-degree rake for long-duration seating | |
| Under-seat access | Open under-seat clearance for floor cleaning and air circulation below folded seat | |
| Custom upgrade option | Compatible with optional writing tablets, row number plates for lecture hall use | |
| Upholstery performance | Abrasion-resistant, anti-static, fade-resistant fabric finish for high-traffic venues | |
| 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
| Cinema and theater venues | Fixed-row installation with tip-up seats to maximize egress aisle space for viewers | |
|---|---|---|
| College lecture halls | Contoured back support for extended seated duration during lectures and presentations | |
| Corporate conference auditoriums | Durable high-traffic upholstery and ganged configuration for formal event seating | |
| Government and public assembly halls | Floor-mounted stable construction meets public venue safety and occupancy requirements | |
| Church and performing arts venues | Quiet damped seat return eliminates disruption during events and services | |
| Indoor stadium VIP areas | Two-tone color scheme fits premium viewing section aesthetic specifications | |
| 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 13761:2003 | Applicable for strength, stability and durability requirements of public seating | |
|---|---|---|
| EN 1021-1:2014 | Applicable for upholstered furniture ignitability resistance to smoldering cigarettes | |
| EN 1021-2:2014 | Applicable for upholstered furniture ignitability resistance to match-flame equivalent |
Standards applicable to China-market projects
| GB/T 3324-2017 | Applicable for general technical requirements of wooden furniture components | |
|---|---|---|
| GB 20286-2006 | Applicable for flame retardant performance requirements of public venue upholstered furniture | |
| GB/T 10357.3-2013 | Applicable for mechanical performance testing of chair seat and back strength |
This product must meet the following technical requirements: 1. GB/T 3324-2017: Applicable for general technical requirements of wooden furniture components; 2. GB 20286-2006: Applicable for flame retardant performance requirements of public venue upholstered furniture; 3. GB/T 10357.3-2013: Applicable for mechanical performance testing of chair seat and back strength; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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