| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall module dimensions | 1180 x 810 x 1021 mm | |
|---|---|---|
| Single seat center distance | 590 mm | |
| Open seat usable depth | 661 mm | |
| Seat panel usable width | 530 mm | |
| Seat height from finished floor | 440 mm | |
| Backrest total height above seat | 580 mm | |
| Writing tablet dimensions | 270 x 250 x 12 mm | |
| Armrest top height above seat | 220 mm | |
| Floor mounting foot plate size | 205 x 54 x 25 mm | |
| Folded seat unit depth | 320 mm | |
| Minimum recommended row spacing | 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 static load capacity | 150 kg | |
|---|---|---|
| Unit net weight (two seats) | 52 kg | |
| Recommended seat occupancy per module | 2 | |
| Seat return damping duration | 3 s | |
| Seat mechanism cycle durability | 100000 cycles | |
| Frame structural warranty period | 5 years | |
| Wearing parts warranty period | 2 years | |
| 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 outer panels | 15 mm beech veneer high-density plywood | |
|---|---|---|
| Writing tablet panel | 12 mm painted plywood with beech finish | |
| Structural support frame | Die-cast aluminum with silver powder coat | |
| Floor mounting legs | 2.5 mm thick powder-coated steel | |
| Seat pivot mechanism | Steel axle with nylon bushing and black end cap | |
| Under-tablet storage basket | 4 mm diameter steel wire mesh | |
| Seat support inner frame | 1.5 mm thick steel pan with S-shaped serpentine springs | |
| Contact surface padding | 40 kg/m³ high-resilience cold-molded polyurethane foam | |
| Hardware fasteners | Stainless steel expansion anchor bolts | |
| Noise reduction components | Rubber damping bumpers at pivot stops | |
| 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 function | Spring-damped pivot rotates seat 90° to vertical for increased aisle clearance | |
|---|---|---|
| Writing tablet operation | Side-mounted tablet folds out horizontally for writing use, rotates flush against side frame when stored | |
| Floor-fixed installation | Permanently anchored to concrete or raised access floor with concealed expansion bolts | |
| Under-tablet storage | Integrated wire mesh basket holds notebooks, stationery, or personal items under extended tablet | |
| Separated individual seating | Curved integrated armrests divide adjacent seats to define personal space | |
| Quiet return mechanism | Two-stage damped seat return with rubber bumpers eliminates slamming noise | |
| Row layout compatibility | Modular units connect end-to-end to form straight or curved fixed seating rows | |
| 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 | Fixed row seating with writing surfaces for note-taking during instructional sessions | |
|---|---|---|
| Corporate conference auditoriums | Durable fixed seating for presentations, shareholder meetings, and training events | |
| Institutional training rooms | Permanent seating with work surfaces for extended certification and workshop sessions | |
| Public theater and assembly spaces | Floor-mounted seating with egress clearance for code-compliant public assembly venues | |
| School multipurpose halls | Configurable fixed rows for student events, exams, and guest speaker presentations | |
| 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/durability requirements | |
|---|---|---|
| EN 13761:2002 | Audience seating, mechanical performance and safety requirements for fixed installations | |
| EN 1022:2018 | Seating stability testing, applicable to permanently floor-mounted units |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to plywood panel components | |
|---|---|---|
| GB/T 3325-2017 | Metal furniture general technical requirements, applicable to steel/aluminum frame parts | |
| GB 20286-2006 | Fire safety requirements for public venue furniture upholstery and materials | |
| GB/T 10357.3-2013 | Furniture mechanical performance test for seating strength and durability |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to plywood panel components; 2. GB/T 3325-2017: Metal furniture general technical requirements, applicable to steel/aluminum frame parts; 3. GB 20286-2006: Fire safety requirements for public venue furniture upholstery and materials; 4. GB/T 10357.3-2013: Furniture mechanical performance test for seating strength and durability; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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