| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall single-seat dimensions (center-to-center) | 580 x 760 x 1040 mm | |
|---|---|---|
| Seat height from finished floor | 450 mm | |
| Inner clear seat width | 510 mm | |
| Seat depth (open position) | 460 mm | |
| Armrest top height from floor | 645 mm | |
| Armrest top width | 80 mm | |
| Seat foam padding thickness | 145 mm | |
| Back foam padding thickness | 125 mm | |
| Backrest total height from seat surface | 590 mm | |
| Floor foot base plate length | 320 mm | |
| Recommended row-to-row pitch for installation | 950 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
| Single-seat net weight | 26 kg | |
|---|---|---|
| Recommended static user load capacity | 150 kg | |
| Seat return mechanism cycle durability | 120000 cycles | |
| Seat automatic return operating noise | 8 dB | |
| Seat cushion foam density | 65 kg/m³ | |
| Backrest foam density | 50 kg/m³ | |
| Seat shell sound absorption coefficient | 0.5 | |
| Available standard fabric color options | 12 | |
| 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 | Wear-resistant linen-blend fabric, treated for stain resistance | |
|---|---|---|
| Armrest and side enclosures | Solid beech wood, multi-layer polished lacquer finish | |
| Seat and back inner support panels | 17 mm thick multi-layer hardwood formed panels | |
| Internal support frame | 2.5 mm thick cold-rolled steel tube, powder-coated anti-rust finish | |
| Floor anchor feet | Die-cast aluminum alloy with brushed silver trim cover, ribbed vent detail | |
| Seat cushion core | Cold-molded high-resilience PU foam, 65 kg/m³ density | |
| Backrest cushion core | Cold-molded high-resilience PU foam, 50 kg/m³ density | |
| Upholstery seam stitching | 8 stitches per 30 mm seam length, reinforced edge binding | |
| Installation fasteners | Stainless steel expansion bolts with plastic dust covers | |
| 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 return mechanism | Double torsion-spring damped automatic return, slow 1.5s close, no slamming | |
|---|---|---|
| Installation method | Permanent floor-mounted anchoring, ganged for contiguous row installation | |
| Ergonomic back support | Three-zone contoured back with built-in lumbar and upper back support | |
| Seat folding action | Gravity-assisted tip-up seat pan to clear aisle space when unoccupied | |
| Optional integrated component | Retractable folding writing tablet, 50 kg static load capacity, stows in armrest | |
| Venue marking compatibility | Pre-drilled mounting points for row and seat number plates | |
| Acoustic performance | Honeycomb perforated inner back shell to reduce venue echo | |
| Fabric surface performance | Anti-fade, anti-static, abrasion-resistant fabric rated for 50000 Martindale cycles | |
| 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
| Theater and cinema auditoriums | Fixed row layout with tip-up seats for unobstructed egress and patron comfort | |
|---|---|---|
| University and school lecture halls | Durable construction with optional writing tablets for long class sessions | |
| Government and corporate conference halls | Formal wood trim appearance and ergonomic support for extended meetings | |
| Courtrooms and public hearing rooms | Fixed anchored seating with quiet operation for formal proceedings | |
| Performing arts centers and concert halls | Acoustically optimized upholstery and contoured support for multi-hour events | |
| Stadium VIP seating areas | Premium wood armrest finish and high-density padding for guest comfort | |
| 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 16139:2013 | Applies to strength, durability and safety requirements for non-domestic public seating |
|---|
Standards applicable to China-market projects
| GB/T 3325-2017 | Applies to metal furniture structural strength, durability and surface finish requirements | |
|---|---|---|
| GB 20286-2006 | Applies to flame retardant performance requirements for public venue upholstered furniture |
This product must meet the following technical requirements: 1. GB/T 3325-2017: Applies to metal furniture structural strength, durability and surface finish requirements; 2. GB 20286-2006: Applies to flame retardant performance requirements for public venue upholstered furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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