| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
No corrections yet. Use the flag at the end of a row to report an issue. | ||||
Automatic mm / inch conversion · Core engineering specifications
| Overall 3-seat ganged unit dimensions (closed) | 1740 x 760 x 1030 mm | |
|---|---|---|
| Seat center-to-center distance | 580 mm | |
| Seat height from finished floor | 450 mm | |
| Seat usable depth | 450 mm | |
| Writing tablet surface height from floor | 760 mm | |
| Writing tablet usable dimensions | 400 x 300 mm | |
| Back panel dimensions | 465 x 380 x 10 mm | |
| Seat panel dimensions | 430 x 425 x 10 mm | |
| Depth with writing tablet fully deployed | 850 mm | |
| Floor mounting footplate dimensions | 180 x 80 x 5 mm | |
| Vertical support leg tube dimensions | 60 x 30 x 1.8 mm | |
| Under-seat wire loop clearance | 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
| Per-seat net weight (installed) | 28 kg | |
|---|---|---|
| Recommended per-user static load | 150 kg | |
| Writing tablet vertical static load capacity | 55 kg | |
| Seat cushion foam density | 55 kg/m³ | |
| Back cushion foam density | 45 kg/m³ | |
| Foam rebound rate | 60% | |
| Fabric abrasion resistance (Martindale) | 50000 cycles | |
| Frame and mechanism warranty period | 8 years | |
| Available fabric color options | 8 | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Structural support frame | 1.8mm thick cold-rolled steel, matte black powder coating | |
|---|---|---|
| Seat and back core panels | 10mm thick seven-layer hardwood plywood, light oak wood veneer | |
| Seat cushion padding | 55kg/m³ cold-cured high-resilience polyurethane foam, 60mm thick | |
| Back cushion padding | 45kg/m³ cold-cured polyurethane foam, 40mm thick | |
| Seat and back upholstery | Anti-fouling, anti-static, abrasion-resistant polyester flannel | |
| Writing tablet surface | 12mm thick melamine-faced particleboard, light woodgrain finish, rounded impact-resistant edges | |
| Armrest pads | Solid beech wood, dark stained finish, 25mm thick | |
| Tablet pivot bracket | 14mm diameter solid steel rod, black powder coated | |
| Underseat wire management loops | 4mm diameter steel wire, black coated, secured to frame with rivets | |
| Floor mounting hardware | M10 zinc-plated steel expansion bolts, 80mm embedment depth | |
| Seat divider panels | 8mm thick MDF, dark edge trim, matching frame finish | |
| Upholstery stitching | High-strength polyester thread, 8mm seam pitch |
Adjustment / rotation / tilt / mobility / storage features
| Writing tablet operation | Side-pivoting folding tablet, swivels 90 degrees from stowed to deployed position | |
|---|---|---|
| Seat return mechanism | Spring-damped automatic gravity return, lifts to vertical stowed position when unoccupied | |
| Installation method | Permanent floor-mounted installation via bolted base feet, non-ganging removable single-seat replacement possible | |
| Cable management | Integrated under-seat steel wire loops route power and data cables along seat rows | |
| Seat position lock | Tablet locks in horizontal deployed position, releases via side lever for stowage | |
| Noise dampening | Damped seat return eliminates impact noise during seat stowage, suitable for quiet lecture environments | |
| Row configuration | Modular ganged design supports continuous straight rows, custom row lengths available per project | |
| Edge protection | All wood panel edges rounded to 10mm radius to prevent user impact injury | |
| 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
| University lecture halls and tiered classrooms | Permanent fixed row configuration supports large-group instruction and note-taking | |
|---|---|---|
| Corporate training rooms and conference auditoriums | Integrated writing tablets and cable management support hybrid meeting use | |
| Academic report halls and seminar venues | Quiet damped return and durable surfaces suit high-frequency public event use | |
| Vocational education and examination spaces | Standardized seat spacing and tablet size support fair testing conditions | |
| Public institution conference facilities | Dark frame and light wood finish complements formal institutional interior design | |
| Tiered multimedia teaching spaces | Under-seat wire management supports deployment of individual device power supplies | |
| 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 | Furniture - Seating for educational institutions, strength and durability requirements | |
|---|---|---|
| EN 1022:2005 | Domestic furniture - Seating, stability test requirements applicable to fixed seating | |
| EN 13501-1 | Fire classification of construction products, applicable for fabric/foam fire retardancy |
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 18584-2001 | Indoor decoration material limit of harmful substances for wood furniture, applicable to panels | |
| GB/T 24821-2009 | General technical requirements for auditorium public seating, applicable to overall unit |
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 18584-2001: Indoor decoration material limit of harmful substances for wood furniture, applicable to panels; 4. GB/T 24821-2009: General technical requirements for auditorium public seating, applicable to overall unit; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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