| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (seat open) | 580 x 750 x 1080 mm | |
|---|---|---|
| Seat center distance | 580 mm | |
| Seat height (from finished floor) | 450 mm | |
| Inner usable seat width | 490 mm | |
| Armrest top height above floor | 620 mm | |
| Armrest cap width | 80 mm | |
| Seat foam thickness | 140 mm | |
| Back foam thickness | 135 mm | |
| Backrest height above seat | 630 mm | |
| Seat depth (usable sitting surface) | 465 mm | |
| Aluminum leg base footprint | 400 x 80 mm | |
| Perforated modesty panel thickness | 15 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
| Recommended static load per seat | 200 kg | |
|---|---|---|
| Seat return mechanism cycle life | 100000 cycles | |
| Net weight per seat | 32 kg | |
| Cushion foam density | 40 kg/m³ | |
| Fabric upholstery abrasion resistance | 50000 Martindale cycles | |
| Foam rebound rate | 45% | |
| Metal component salt spray resistance | 18 h | |
| Seam stitching pitch | 30 mm | |
| Optional writing tablet static load | 55 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Red commercial woven fabric, flame-retardant treated | |
|---|---|---|
| Seat and back cushion filling | High-density cold-cured molded polyurethane foam | |
| Armrest caps | Solid oak wood with clear lacquer finish, metal edge trim | |
| Support legs and arm frames | Die-cast aluminum alloy, silver powder-coated, fluted column detail | |
| Under-seat modesty panel | Perforated beech veneer plywood with matte wood finish | |
| Side panels between arms and seat | Plywood core with matching red fabric upholstery | |
| Internal support frame | 15mm thick multi-layer plywood with metal reinforcement brackets | |
| Seat return mechanism | Steel spring with hydraulic damper for quiet slow return | |
| Floor mounting hardware | Hex socket expansion bolts with plastic dust caps | |
| Back outer trim | Wood veneer edge strip 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 |
Adjustment / rotation / tilt / mobility / storage features
| Seat tip-up operation | Spring-damper assisted automatic slow return to vertical when unoccupied | |
|---|---|---|
| Floor installation method | Permanent bolt-down fixing via dual aluminum pedestal feet | |
| Ergonomic back support | Contoured molded back with built-in lumbar support indentation | |
| Modesty panel acoustic function | Perforated wood panel provides sound diffusion and absorption | |
| Optional accessory compatibility | Armrest-integrated retractable writing tablet available as add-on | |
| Row alignment feature | Modular leg design supports straight or curved row installation | |
| Seat damping function | Hydraulic damper eliminates loud slamming during seat return | |
| Surface maintenance | Stain-resistant fabric finish allows spot cleaning for high-traffic use | |
| 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
| Auditorium and theater halls | Fixed row installation for extended viewing, acoustic panel improves audio performance | |
|---|---|---|
| Conference and lecture halls | Ergonomic support for all-day events, compatible with writing tablet accessories | |
| Government and institutional assembly halls | Formal wood trim finish, durable heavy-duty construction for high-frequency public use | |
| School and university auditoriums | Stain-resistant fabric, quiet seat return for low-disruption learning environments | |
| Church and performing arts venues | Comfortable high-back design, modular layout fits custom curved or straight rows | |
| Cinema venues (non-reclining) | Tip-up seat maximizes aisle space, durable upholstery withstands high daily foot traffic | |
| 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 | Audience seating - test methods and requirements for mechanical safety and durability | |
|---|---|---|
| EN 1022:2018 | Furniture - seating - determination of stability, applicable to fixed installed seating |
Standards applicable to China-market projects
| GB 18584-2001 | Indoor decorating and refurbishing materials - limit of harmful substances in wood furniture, applicable to formaldehyde emission of wood components | |
|---|---|---|
| GB/T 3325-2017 | Metal furniture general technical requirements, applicable to metal frame strength and finish durability | |
| GB 18583-2008 | Limit of harmful substances in adhesives, applicable to plywood and foam assembly adhesive emissions | |
| GB 20286-2006 | Fire retardant products for public places, flame retardancy requirement for upholstery in assembly occupancies |
This product must meet the following technical requirements: 1. GB 18584-2001: Indoor decorating and refurbishing materials - limit of harmful substances in wood furniture, applicable to formaldehyde emission of wood components; 2. GB/T 3325-2017: Metal furniture general technical requirements, applicable to metal frame strength and finish durability; 3. GB 18583-2008: Limit of harmful substances in adhesives, applicable to plywood and foam assembly adhesive emissions; 4. GB 20286-2006: Fire retardant products for public places, flame retardancy requirement for upholstery in assembly occupancies; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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