| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall two-seat unit dimensions | 1160 x 830 x 1020 mm | |
|---|---|---|
| Per-seat center-to-center width | 580 mm | |
| Seat height above finished floor | 490 mm | |
| Seat cushion depth | 480 mm | |
| Backrest total height | 670 mm | |
| Armrest top height above seat surface | 230 mm | |
| Armrest cap dimensions | 410 x 80 x 30 mm | |
| Rear folding panel dimensions | 450 x 520 mm | |
| Floor mounting foot plate dimensions | 200 x 60 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
| Two-seat unit net weight | 46 kg | |
|---|---|---|
| Per-seat static load capacity | 272 kg | |
| Seat cushion foam density | 55 kg/m³ | |
| Backrest foam density | 55 kg/m³ | |
| Seat foam padding thickness | 150 mm | |
| Backrest foam padding thickness | 140 mm | |
| Upholstery fabric abrasion resistance | 50000 Martindale cycles | |
| Factory warranty period | 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
| Seat and back upholstery | Red textured woven polyester fabric | |
|---|---|---|
| Seat cushion core | Cold-molded high-resilience polyurethane foam | |
| Backrest cushion core | High-resilience polyurethane foam | |
| Armrest caps | Polished dark-stained solid hardwood with clear lacquer finish | |
| Structural frame and legs | 2.5mm thick cold-rolled steel with matte black powder coating | |
| Rear folding panel assembly | Injection-molded black polypropylene with integrated ventilation grilles | |
| Internal support panels | 15mm thick multilayer plywood under upholstery | |
| Floor mounting hardware | Zinc-plated steel expansion bolts with anti-corrosion coating | |
| Upholstery stitching | High-tensile polyester thread with 8mm seam pitch | |
| 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
| Floor mounting system | Permanent screw-down fixation with T-shaped steel base plates | |
|---|---|---|
| Rear folding panel operation | Spring-loaded fold-down mechanism for writing surface or storage | |
| Seat tip-up mechanism | Gravity-activated automatic seat return to vertical stowed position | |
| Ganged row connection | Rigid steel bracket linking adjacent seats for uniform row alignment | |
| Acoustic performance | Ventilated rear polypropylene panel with 0.5 NRC sound absorption rating | |
| Seat positioning | Fixed 8-degree upright backrest angle optimized for audience viewing | |
| 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
| Large auditorium and theater venues | Permanent row installation for events with extended seated audience duration | |
|---|---|---|
| Lecture halls and university classrooms | Integrated rear panel supports note-taking for academic instruction | |
| Corporate conference centers and assembly halls | Formal red fabric upholstery suits professional event environments | |
| Cinema and performing arts spaces | Contoured padding supports comfortable viewing during full-length performances | |
| Government and public assembly facilities | Durable construction withstands daily high-traffic public 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
| Public seating strength and durability | EN 12727:2000 | |
|---|---|---|
| Upholstered furniture fire resistance | EN 1021:2014 | |
| Office and public seating ergonomics | EN 1335:2020 |
Standards applicable to China-market projects
| Structural safety standard | GB/T 3324 | |
|---|---|---|
| Upholstered furniture fire safety | GB 20286 | |
| Fixed seating mechanical performance | GB/T 10357.3 |
This product must meet the following technical requirements: 1. Structural safety standard: GB/T 3324; 2. Upholstered furniture fire safety: GB 20286; 3. Fixed seating mechanical performance: GB/T 10357.3; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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