| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall 2-seat unit dimensions | 1180 x 870 x 1080 mm | |
|---|---|---|
| Single-seat center-to-center distance | 590 mm | |
| Seat height from finished floor | 460 mm | |
| Seat usable depth (open position) | 410 mm | |
| Armrest top height from floor | 618 mm | |
| Backrest total height from seat surface | 750 mm | |
| Writing tablet open total depth from back panel | 870 mm | |
| Writing tablet usable surface dimensions | 290 x 270 mm | |
| Floor mounting foot plate dimensions | 380 x 60 mm | |
| Mounting hole spacing on foot plate | 340 mm | |
| Solid wood arm cap dimensions | 425 x 80 x 30 mm | |
| Recommended minimum row-to-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 net weight | 28 kg | |
|---|---|---|
| Recommended static user weight capacity | 150 kg | |
| Writing tablet static load capacity | 30 kg | |
| Seat cushion PU foam density | 60 kg/m³ | |
| Backrest PU foam density | 45 kg/m³ | |
| Seat cushion foam thickness | 150 mm | |
| Backrest foam thickness | 140 mm | |
| Fabric abrasion resistance rating | 50000 cycles | |
| Seat return mechanism impact resistance | 85 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Upholstery fabric | Commercial-grade woven polyester fabric, anti-pilling, anti-fading, blue finish | |
|---|---|---|
| Seat cushion padding | Cold-cure high-resilience molded PU foam, CFC-free | |
| Backrest padding | Cold-cure molded PU foam, contoured lumbar support, antibacterial treated | |
| Armrest caps | Solid hardwood with matte PU clear finish, rounded edges | |
| Support frame and pedestals | 2.2 mm thick cold-rolled steel, electrostatic powder-coated black, rust-pretreated | |
| Writing tablet panel | 18 mm thick perforated HDF composite, PU edge banding, wood-grain finish | |
| Seat and back inner shells | 15 mm thick multi-layer hardwood plywood, deformation-resistant | |
| Side modesty panels | 2 mm thick PP composite, fabric-wrapped blue finish | |
| Tablet hinge hardware | Die-cast aluminum rotating bracket, silent damped pivot, 6.5° upward tilt | |
| Seat return mechanism | Torsion spring with hydraulic damper, slow quiet automatic return | |
| Floor mounting hardware | M8 zinc-plated expansion bolts, black plastic dust caps | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Fold-up seat operation | Automatic spring-damper return, lifts vertically to 90° when unoccupied for aisle clearance | |
|---|---|---|
| Fold-down writing tablet operation | Rotates out from center armrest, locks at 6.5° writing tilt, stows flush in arm storage | |
| Ganged row mounting | Seats link via shared center armrests, fixed to floor via T-steel pedestals for stable alignment | |
| Tablet load support | Supports up to 30 kg static load for laptops, notebooks and writing materials | |
| Ergonomic back support | Contoured high back with horizontal lumbar recesses, full upper back support for 2+ hour sessions | |
| Return mechanism damping | Hydraulic damper eliminates slamming, reduces noise in lecture hall environments | |
| Cable management compatibility | Optional under-seat cable channel can be added for device power on seat bases | |
| Aisle access clearance | Fully raised seat creates 300 mm minimum clear walkway per row when stowed | |
| 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
| Packaging type | Knocked-down flat pack, individual component wrapping, corrugated carton protection | |
|---|---|---|
| Standard warranty period | 5 years | |
| 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 tiered installation with writing tablets for long lecture and note-taking use | |
|---|---|---|
| Corporate conference auditoriums | Formal ganged seating for presentations, training sessions and shareholder meetings | |
| Government and institutional meeting rooms | Durable public-area seating for official meetings and public hearings | |
| School auditoriums and multi-purpose halls | Heavy-duty seating suitable for daily student use and school events | |
| Theater and performing arts spaces with note-taking requirements | Comfortable fixed seating for events requiring program or note use | |
| Standard color availability | Standard blue finish, with custom color options for project-specific design schemes | |
| 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 - Test methods for strength and durability of auditorium seating | |
|---|---|---|
| EN 1021-1:2014 | Furniture - Upholstered furniture ignitability, smouldering cigarette test for public seating | |
| EN 1021-2:2014 | Furniture - Upholstered furniture ignitability, match flame test for public assembly areas |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to wood arm and tablet components | |
|---|---|---|
| GB 18584-2001 | Indoor decoration material limit of harmful substances for wooden furniture, applicable to wood panels | |
| GB/T 24821-2009 | Furniture for public venues: auditorium seating, applicable to structural and safety requirements | |
| GB 20286-2006 | Fire performance requirements for upholstered furniture in public places, applicable to fabric and foam |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to wood arm and tablet components; 2. GB 18584-2001: Indoor decoration material limit of harmful substances for wooden furniture, applicable to wood panels; 3. GB/T 24821-2009: Furniture for public venues: auditorium seating, applicable to structural and safety requirements; 4. GB 20286-2006: Fire performance requirements for upholstered furniture in public places, applicable to fabric and foam; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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