| 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 row dimensions | 1770 x 740 x 1010 mm | |
|---|---|---|
| Per-seat center-to-center distance | 590 mm | |
| Seat height from finished floor | 460 mm | |
| Armrest height from finished floor | 640 mm | |
| Seat inner usable width | 490 mm | |
| Armrest width | 85 mm | |
| Open seat depth (seat deployed) | 740 mm | |
| Folded seat depth (seat tipped up) | 180 mm | |
| Recommended minimum row-to-row spacing | 900 mm | |
| Perforated rear back panel thickness | 20 mm | |
| Seat cushion foam thickness | 140 mm | |
| Backrest foam thickness | 140 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-unit net weight | 30 kg | |
|---|---|---|
| Static load capacity per seat | 160 kg | |
| Fabric abrasion resistance | 50000 Martindale cycles | |
| Seat return mechanism cycle life | 100000 cycles | |
| Foam density (seat cushion) | 55 kg/m³ | |
| Foam density (backrest) | 45 kg/m³ | |
| Foam rebound rate | 45% | |
| Fastener salt spray resistance | Grade 9 after 18 hours | |
| Standard manufacturer warranty | 5 years | |
| Available upholstery color options | 12 standard colors |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Polyester commercial woven fabric, blue dyed, treated for stain resistance | |
|---|---|---|
| Seat inner support frame | 1.6 mm thick cold-rolled steel, phosphated for rust resistance | |
| Floor mounting stanchions | 2.5 mm thick powder-coated cold-rolled steel T-legs, black finish | |
| Armrest tops and trim | 30 mm thick solid beech wood, clear lacquer finish | |
| Rear/side perforated panels | 15 mm thick beech-veneer plywood, perforated for sound absorption | |
| Seat/back padding | Cold-molded high-density polyurethane foam, CFC-free | |
| Seat support springs | 3.8 mm diameter serpentine steel springs, sinuous design | |
| Seat tip-up mechanism | Zinc-plated steel torsion spring with rubber damping for quiet return | |
| Floor mounting fasteners | M10 hex socket expansion screws with plastic decorative caps | |
| Upholstery seam construction | Polyester bonded thread, 30 mm stitch pitch, reinforced stress points | |
| Finish on steel components | Electrostatic polyester powder coating, 60 micron film thickness | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Seat operation | Gravity-assisted spring-return tip-up seat, folds vertically when unoccupied | |
|---|---|---|
| Installation type | Permanent fixed floor mounting via 4 expansion screws per stanchion | |
| Ganging configuration | Pre-aligned 3-seat connected row with shared armrests between adjacent seats | |
| Acoustic performance | Perforated plywood rear panels provide passive sound absorption for auditorium spaces | |
| Aisle access clearance | Tip-up seat folds to create 560 mm clear walkway space per row position | |
| Optional add-on compatibility | Pre-drilled mounting points for retractable writing tablets, cup holders, and row number plates | |
| Return damping | Rubber torsion damper eliminates seat slamming noise during automatic reset | |
| Structural alignment | Integral steel beam connecting stanchions ensures uniform seat spacing and rigidity | |
| 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
| 20ft container loading capacity | 200 seats | |
|---|---|---|
| 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
| Primary application venue 1 | Lecture halls and university auditoriums, fixed row installation for tiered flooring | |
|---|---|---|
| Primary application venue 2 | Corporate conference auditoriums and multi-purpose event halls | |
| Primary application venue 3 | School assembly halls and campus theater spaces | |
| User group fit | Designed for adult occupants 190 cm tall, meets standard ergonomic public seating dimensions | |
| Installation requirement | Suitable for concrete or raised tiered flooring, requires drilled expansion anchor installation | |
| Recommended configuration | Combine with aisle end panels, row numbering, and optional writing tablets for classroom use | |
| Traffic suitability | Rated for high-frequency daily use in venues with 8+ hours of daily occupancy | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| Office/public seating strength and stability | EN 12727:2000, durability and static load requirements for fixed auditorium seating | |
|---|---|---|
| Upholstered furniture flammability | EN 1021:2014, cigarette ignition resistance for seating upholstery | |
| Formaldehyde emission from wood panels | EN 312:2010, E1 class formaldehyde emission ≤0.124 mg/m³ for plywood |
US and Canada office-furniture standards
| Lounge and public seating durability | ANSI/BIFMA X2021static load and cycle testing for public seating | |
|---|---|---|
| Seating hardware durability | ANSI/BIFMA X2021 mechanism cycle testing for 100000 tip-up operations |
Standards applicable to China-market projects
| Panel formaldehyde emission | GB 18584:2001, limit ≤1.5 mg/L for wood-based furniture panels | |
|---|---|---|
| Furniture mechanical safety for public seating | GB/T 3326:2016, dimensional and strength requirements for fixed seating | |
| Fabric flame retardancy for public places | GB 20286:2006, flame retardant classification for public venue upholstery |
This product must meet the following technical requirements: 1. Panel formaldehyde emission: GB 18584:2001, limit ≤1.5 mg/L for wood-based furniture panels; 2. Furniture mechanical safety for public seating: GB/T 3326:2016, dimensional and strength requirements for fixed seating; 3. Fabric flame retardancy for public places: GB 20286:2006, flame retardant classification for public venue upholstery; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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