| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions per seat | 620 x 792 x 1021 mm | |
|---|---|---|
| Seat height above finished floor | 460 mm | |
| Seat usable depth | 460 mm | |
| Backrest height above seat surface | 730 mm | |
| Seat center-to-center spacing for ganged installation | 580 mm | |
| Wooden armrest cap dimensions | 425 x 80 x 30 mm | |
| Recommended row-to-row pitch for installation | 900 mm | |
| Steel pedestal floor plate dimensions | 205 x 54 x 25 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
| Seat high-resilience foam density | 65 kg/m³ | |
|---|---|---|
| Backrest foam density | 55 kg/m³ | |
| Seat foam padding thickness | 150 mm | |
| Backrest foam padding thickness | 140 mm | |
| Recommended static occupant load per seat | 160 kg | |
| Standard product warranty period | 5 years | |
| Fabric abrasion resistance rating | 50000 Martindale cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and backrest upholstery | Blue woven commercial-grade fabric | |
|---|---|---|
| Armrest top caps | Polished reddish-brown solid hardwood | |
| Support pedestals and brackets | 2.5mm thick cold-rolled steel, black powder-coated finish | |
| Side panel substrate | 9mm thick plywood, fully upholstered in matching blue fabric | |
| Internal seat support shell | 11mm thick molded plywood | |
| Internal back support shell | 9mm thick molded plywood | |
| Seat and back padding | Cold-molded high-resilience polyurethane foam | |
| Floor mounting hardware | Carbon steel expansion anchor bolts with dust caps | |
| 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
| Installation method | Permanent floor-mounted dual-pedestal design for ganged row configuration | |
|---|---|---|
| Backrest ergonomic angle | 17 degrees from vertical | |
| Ganged row alignment | Interlocking adjacent seat brackets for uniform straight row installation | |
| Armrest function | Full-width padded side support with solid wood writing/elbow rest surface | |
| Floor clearance under seat | 300 mm above finished floor | |
| Optional accessory compatibility | Pre-drilled mounting points for seat number plates, cup holders, or rear writing tablets | |
| Seat return mechanism provision | Compatible with gravity or damped spring tip-up seat upgrade | |
| 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
| Lecture hall and university classroom use | Fixed row configuration supports long-duration seated learning with ergonomic back support | |
|---|---|---|
| Theater and performing arts venue use | Uniform ganged layout with optimized sightlines for audience viewing comfort | |
| Conference hall and government assembly space use | Formal appearance and durable construction meet high-traffic public event requirements | |
| Church and multi-purpose auditorium use | Comfortable padding and robust structure accommodate extended event durations | |
| Cinema and screening room use | Ergonomic back angle reduces fatigue during extended film screenings | |
| Row installation configuration | Designed for straight or gently curved row layouts with consistent center spacing | |
| 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 12727:2000 | Applicable European standard for strength and durability of public tiered seating | |
|---|---|---|
| EN 1021-1:2014 | Applicable upholstered furniture flammability standard for cigarette ignition resistance | |
| EN 1021-2:2014 | Applicable upholstered furniture flammability standard for match flame resistance |
Standards applicable to China-market projects
| GB/T 20247-2006 | Applicable acoustics standard for auditorium seating sound absorption performance | |
|---|---|---|
| GB 20286-2006 | Applicable fire retardant standard for public venue upholstered furniture components | |
| GB/T 3324-2017 | Applicable general technical requirement standard for wooden furniture components |
This product must meet the following technical requirements: 1. GB/T 20247-2006: Applicable acoustics standard for auditorium seating sound absorption performance; 2. GB 20286-2006: Applicable fire retardant standard for public venue upholstered furniture components; 3. GB/T 3324-2017: Applicable general technical requirement standard for wooden furniture components; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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