| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall unit dimensions (2-seat ganged) | 1220 x 785 x 970 mm | |
|---|---|---|
| Single seat center-to-center distance | 610 mm | |
| Seat height from finished floor | 460 mm | |
| Depth with writing tablet stowed | 670 mm | |
| Writing tablet usable surface size | 379 x 269 mm | |
| Writing tablet panel thickness | 9 mm | |
| Armrest top height above seat surface | 240 mm | |
| Clear knee clearance height under tablet | 660 mm | |
| Floor mounting foot plate length per stanchion | 215 mm | |
| Seat cushion usable width per position | 540 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 static load capacity | 260 kg | |
|---|---|---|
| Seat foam density (seat cushion) | 60 kg/m³ | |
| Backrest foam density | 55 kg/m³ | |
| Unit net weight (2-seat ganged) | 80 kg | |
| Recommended daily occupancy durability | 12000 use cycles | |
| Standard fabric upholstery abrasion resistance | 50000 Martindale cycles | |
| Standard warranty period for frame and mechanism | 5 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
| Primary support stanchions and frame | 2.0 mm thick cold-rolled steel, matte black powder-coated finish | |
|---|---|---|
| Seat cushion and backrest padding | Cold-molded polyurethane foam, high resilience | |
| Seat and back outer shell panels | 15 mm thick E1-grade plywood, matte black painted finish | |
| Seat and back upholstery | Contract-grade woven polyester fabric, yellow/beige finish | |
| Armrests | Curved steel frame with integrated padded tops, black finish | |
| Integrated writing tablet surface | 9 mm thick MDF board, light wood-grain laminate finish | |
| Seat tip-up mechanism | Steel hinge assembly with damping cylinder for quiet return | |
| Under-table cable management tray | Perforated steel wire tray, black powder-coated finish | |
| Floor mounting hardware | M8 hex socket expansion anchor bolts, zinc-plated finish | |
| 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 |
Adjustment / rotation / tilt / mobility / storage features
| Seat tip-up operation | Gravity-assisted automatic return with damper, 90-degree upward fold to clear aisle space | |
|---|---|---|
| Writing tablet operation | Fixed continuous left-side surface with anti-panic fold-down design, locks in horizontal use position | |
| Cable management function | Under-table perforated tray routes power and AV cables for attendee devices | |
| Floor mounting function | Permanent fixed installation to concrete or raised tiered floors via anchor bolts | |
| Ganged seating alignment | Shared stanchion design connects adjacent seats in continuous straight rows for tiered halls | |
| Armrest function | Contoured armrests separate adjacent seats and provide upper body support during extended use | |
| Seat cushion contouring | Ergonomically curved waterfall front edge reduces leg pressure during long lectures | |
| Backrest contouring | Lumbar-support curved backrest maintains upright posture for 2+ hour seated events | |
| 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 tiered lecture halls | Fixed ganged layout provides clear sightlines and dedicated writing surface for note-taking | |
|---|---|---|
| Corporate training and conference auditoriums | Tip-up seats enable quick aisle access between sessions for large attendee groups | |
| School multi-purpose assembly halls | Durable steel frame and contract-grade fabric withstand daily high-traffic student use | |
| Cinema and screening rooms with note-taking requirements | Integrated tablet supports program materials and personal devices during screenings | |
| Government and institutional hearing rooms | Permanent floor mounting prevents unauthorized reconfiguration and supports AV cabling | |
| Recommended row configuration | Seats mount to tiered floors with 900mm minimum row-to-row spacing for unobstructed egress | |
| 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 | Applies to strength, durability and safety requirements for fixed auditorium seating | |
|---|---|---|
| EN 1021-1:2014 | Applies to upholstered furniture flammability resistance to smoldering cigarette ignition | |
| EN 1021-2:2014 | Applies to upholstered furniture flammability resistance to match flame ignition |
Standards applicable to China-market projects
| GB/T 20247-2006 | Applies to acoustical performance of upholstered seating for auditorium and theater spaces | |
|---|---|---|
| GB 20286-2006 | Applies to fire retardancy requirements for upholstered furniture in public assembly spaces |
This product must meet the following technical requirements: 1. GB/T 20247-2006: Applies to acoustical performance of upholstered seating for auditorium and theater spaces; 2. GB 20286-2006: Applies to fire retardancy requirements for upholstered furniture in public assembly spaces; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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