| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall unit dimensions | 590 x 720 x 1030 mm | |
|---|---|---|
| Center-to-center seat width | 590 mm | |
| Seat height from floor | 450 mm | |
| Seat usable depth | 500 mm | |
| Armrest height from floor | 620 mm | |
| Seat back height above seat | 580 mm | |
| Perforated wood divider panel dimensions | 480 x 420 x 15 mm | |
| Floor mounting plate dimensions | 249 x 133 x 2 mm | |
| Solid wood armrest pad dimensions | 435 x 80 x 26 mm | |
| Folded seat knee clearance depth | 320 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
| Unit net weight | 28 kg | |
|---|---|---|
| Recommended static seat load | 160 kg | |
| Seat cushion foam density | 55 kg/m³ | |
| Backrest foam density | 45 kg/m³ | |
| Fabric abrasion resistance | 50000 Martindale cycles | |
| Seat return mechanism cycle life | 100000 cycles | |
| Frame static load rating | 1000 kg | |
| 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 back upholstery | Red woven polyester fabric, flame-retardant, anti-static | |
|---|---|---|
| Seat cushion core | Cold-molded high-resilience PU foam, 80 mm thick | |
| Backrest cushion core | Cold-molded high-resilience PU foam, 60 mm thick | |
| Armrest pads | Solid beech wood, clear UV lacquer finish | |
| Perforated divider panel | 15 mm multi-ply plywood, wood veneer finish, square perforations | |
| Structural support frame | 1.5 mm thick cold-rolled steel, black powder coat finish | |
| Decorative frame trim | Polished chrome-plated steel, mirror finish | |
| Armrest support brackets | 2.5 mm thick die-cast aluminum alloy, black coated | |
| Seat hinge mechanism | 14 mm diameter cold-drawn steel shaft, grease-lubricated | |
| Outer back panels | 7 mm thick multi-ply plywood, fabric-covered | |
| 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
| Tip-up seat mechanism | Damped spring automatic return, slow silent closure | |
|---|---|---|
| Floor mounting system | Fixed bolt-down T-base, 3 anchor bolts per leg | |
| Ganged row connection | Interlocking steel brackets between adjacent units, aligned installation | |
| Acoustic modesty divider | Perforated wood panel between seats, sound-absorbent backing | |
| Seat access function | Tip-up seat creates 300 mm minimum row passage width | |
| Curved row adaptability | Adjustable stanchion brackets for curved or angled row layouts | |
| 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
| Indoor auditorium installation | Suitable for fixed row installation in raked or flat floor performance halls | |
|---|---|---|
| Conference hall use | Appropriate for large government or corporate conference venues requiring fixed seating | |
| University lecture hall use | Designed for high-traffic daily student use in campus auditoriums and lecture theaters | |
| Cinema and theater use | Suitable for movie theaters and live performance venues with quiet seat return | |
| Church and public assembly use | Durable construction supports frequent use in religious and public gathering spaces | |
| 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 | Public seating – Auditorium chairs, test methods and performance requirements | |
|---|---|---|
| EN 1021-1:2014 | Upholstered furniture flammability – smouldering cigarette ignition resistance | |
| EN 1021-2:2014 | Upholstered furniture flammability – match flame ignition resistance |
US and Canada office-furniture standards
| ANSI/BIFMA X5.11-2015 | Standard for public lounge and assembly seating, performance and durability requirements |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to wood panel components | |
|---|---|---|
| GB/T 3325-2017 | General technical requirements for metal furniture, applicable to steel frame components | |
| GB 20286-2006 | Flame retardant requirements for public venue furniture upholstery and materials | |
| GB/T 35607-2017 | Green product evaluation standard for furniture, applicable to public seating procurement |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to wood panel components; 2. GB/T 3325-2017: General technical requirements for metal furniture, applicable to steel frame components; 3. GB 20286-2006: Flame retardant requirements for public venue furniture upholstery and materials; 4. GB/T 35607-2017: Green product evaluation standard for furniture, applicable to public seating procurement; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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