| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall unit dimensions (two seats) | 1180 x 870 x 1080 mm | |
|---|---|---|
| Per-seat center distance | 590 mm | |
| Seat height from floor | 465 mm | |
| Seat usable depth (open position) | 470 mm | |
| Backrest usable height | 760 mm | |
| Armrest height from floor | 628 mm | |
| Writing tablet open position depth | 870 mm | |
| Folded seat unit depth | 661 mm | |
| Writing tablet surface size | 290 x 270 x 15 mm | |
| Minimum recommended row pitch | 950 mm | |
| Floor mounting foot plate length | 380 mm | |
| Writing tablet height from floor | 615 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 recommended static load capacity | 150 kg | |
|---|---|---|
| Seat cushion cold-cure PU foam density | 60 kg/m³ | |
| Backrest cold-cure PU foam density | 45 kg/m³ | |
| Seat cushion foam thickness | 150 mm | |
| Backrest foam thickness | 135 mm | |
| Seat return mechanism cycle life | 50000 cycles | |
| Unit net weight per two-seat module | 48 kg | |
| Seat impact resistance | 85 kg | |
| Standard product warranty | 5 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Beige woven commercial fabric, quilted stitch detailing | |
|---|---|---|
| Seat cushion core | Cold-cured high-resilience PU foam, contoured for hip support | |
| Backrest core | Cold-cured high-resilience PU foam, ergonomic lumbar contour | |
| Armrest top cap | 30mm thick solid hardwood with polished polyester finish | |
| Armrest lower structure | 2.0mm thick cold-rolled steel with black textured coating | |
| Support frame and legs | 2.5mm thick chrome-plated cold-rolled steel, cantilever floor mount | |
| Back and seat inner panels | 6mm thick multilayer plywood, shaped for ergonomic support | |
| Back outer panel | 15mm thick hardwood plywood with matte PU paint finish | |
| Writing tablet surface | 15mm thick melamine-faced multilayer board with PU edge banding | |
| Seat return mechanism | Torsion spring with hydraulic damper, rubber noise-damping pads | |
| Side decorative trim | 2mm thick PP composite panel with matching wood grain finish | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Seat tip-up operation | Automatic damped return to vertical stowed position within 3 seconds of user exit | |
|---|---|---|
| Writing tablet operation | Folds out horizontally from armrest with 6.5° writing tilt, rotates flush into armrest when stowed | |
| Floor mounting | Fixed permanent installation to level concrete floors via 4 expansion bolts per foot plate | |
| Ganged row configuration | Seats connect seamlessly in continuous rows with shared support legs between adjacent units | |
| Seam construction | 10mm stitch pitch on quilted upholstery, reinforced stress points at seat edges | |
| Noise control | Rubber silencing pads at all pivot points, damped mechanism eliminates impact noise during seat/tablet return | |
| Tablet stowage | Fully recessed into armrest housing when not in use, no protruding components in walkway | |
| Optional add-on compatibility | Supports installation of row/seat number plates, rear book nets, and aisle end panels | |
| 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
| Gross weight per packaged two-seat unit | 55 kg | |
|---|---|---|
| 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
| Application venue 1 | University and college lecture halls, tiered classrooms | |
|---|---|---|
| Application venue 2 | Corporate conference centers and multi-function meeting rooms | |
| Application venue 3 | Government and institutional auditoriums, assembly halls | |
| Application venue 4 | Cinema and community theater premium seating sections | |
| Target user group | Adult users in public assembly venues, designed for 4 hour continuous seated use | |
| Installation requirement | Requires level reinforced concrete floor for expansion bolt mounting | |
| Configuration recommendation | Pair with matching aisle end panels and row number plates for formal venue deployments | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 12727:2000 | Applicable European standard for strength, durability and safety of ranked seating | |
|---|---|---|
| EN 1021-1:2014 | Applicable upholstered furniture flammability standard (cigarette ignition source) | |
| EN 1021-2:2014 | Applicable upholstered furniture flammability standard (match flame ignition source) |
US and Canada office-furniture standards
| ANSI/BIFMA X5.11-2015 | Applicable standard for large-occupancy public seating performance requirements | |
|---|---|---|
| ANSI/BIFMA X5.4-2020 | Applicable standard for lounge and public seating durability and safety |
Standards applicable to China-market projects
| GB 20286-2006 | Applicable fire retardancy standard for upholstered furniture in public assembly venues | |
|---|---|---|
| GB/T 3324-2017 | Applicable general technical requirement standard for wooden furniture components |
This product must meet the following technical requirements: 1. GB 20286-2006: Applicable fire retardancy standard for upholstered furniture in public assembly venues; 2. GB/T 3324-2017: Applicable general technical requirement standard for wooden furniture components; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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