| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall assembled dimensions (seat deployed) | 600 x 770 x 990 mm | |
|---|---|---|
| Arm center-to-center seat width | 600 mm | |
| Floor to top of seat surface (deployed) | 450 mm | |
| Floor to top of armrest surface | 645 mm | |
| Overall depth with seat fully folded upright | 300 mm | |
| Backrest total height above seat surface | 540 mm | |
| Usable seat cushion depth (deployed) | 480 mm | |
| Seat cushion usable width between armrests | 470 mm | |
| Armrest cap thickness | 30 mm | |
| Rear modesty panel thickness | 5 mm | |
| Single pedestal base footprint | 280 x 200 mm | |
| Recommended minimum row-to-row spacing | 950 mm | |
| Seat fold pivot axle diameter | 16 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm |
Net weight / load capacity / users / durability
| Net weight per fully assembled chair | 28 kg | |
|---|---|---|
| Maximum static user weight capacity | 150 kg | |
| Seat tip-up mechanism rated cycle life | 100000 cycles | |
| Seat cushion foam density | 55 kg/m³ | |
| Backrest foam density | 45 kg/m³ | |
| Seat/back foam padding thickness | 80 mm | |
| Fabric upholstery abrasion resistance (Martindale) | 50000 cycles | |
| Frame and mechanism structural warranty | 5 years | |
| Available standard upholstery color options | 12 colors | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and backrest upholstery | Woven polyester commercial fabric, fire-retardant treated | |
|---|---|---|
| Armrest top surfaces | Finished solid beech/oak hardwood, clear lacquer coat | |
| Armrest side trim and supports | Black impact-resistant polypropylene over steel insert | |
| Rear modesty panel | 5mm thick black UV-stabilized polypropylene | |
| Seat and back inner support core | Molded 7-ply birch plywood, 12mm thick | |
| Pedestal frame and brackets | 3mm thick cold-rolled steel, black powder-coated finish | |
| Seat cushion padding | Cold-molded high-resilience PU foam, 55kg/m³ density | |
| Backrest padding | Cold-molded high-resilience PU foam, 45kg/m³ density | |
| Tip-up pivot hardware | Zinc-plated steel torsion spring and axle, corrosion-resistant | |
| Floor mounting base plate | 6mm thick hot-dip galvanized steel with powder coat top | |
| Upholstery seam construction | Reinforced stitched seams, 30mm stitch pitch, heavy-duty polyester thread | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Seat tip-up operation | Gravity-activated automatic return to folded upright position when unoccupied | |
|---|---|---|
| Row mounting configuration | Designed for ganged continuous row installation via steel connecting bars between adjacent units | |
| Floor installation type | Permanent floor-mounted to flat or raked venue floors via expansion anchor bolts | |
| Modesty panel function | Full rear hard panel blocks view of seat underside from rows behind | |
| Noise dampening feature | Integrated rubber bumper stops at seat fold pivot to eliminate impact noise during return | |
| Optional accessory compatibility | Pre-drilled mounting points for row number plates, cup holders, rear writing tablets | |
| Accessibility compliance | Sized to meet standard public venue egress clearance when seat is folded | |
| Back support design | Ergonomic contoured backrest with stitched lumbar support zone | |
| Armrest function | Fixed padded wood-top armrests provide stable elbow support during seated use | |
| Backrest recline pitch from vertical | 24 degrees | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg |
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
| Lecture hall and university classroom fixed seating | Ganged row installation provides consistent seating and clear egress between rows | |
|---|---|---|
| Cinema and performing arts theater seating | Padded ergonomic design supports 2+ hours of continuous seated use | |
| Conference hall and corporate auditorium seating | Wood armrest finish matches formal professional venue interior aesthetics | |
| Government and public assembly hall seating | High-durability construction withstands daily high-traffic public use | |
| Church and religious venue sanctuary seating | Red fabric option aligns with traditional formal venue interior design schemes | |
| Flat or raked seating floor compatibility | Adjustable pedestal anchor points accommodate standard venue floor slope requirements | |
| 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 – Ranked seating for public areas – Safety and strength requirements | |
|---|---|---|
| EN 1021-1:2014 | Furniture upholstery flammability – Cigarette ignition resistance | |
| EN 1021-2:2014 | Furniture upholstery flammability – Match flame ignition resistance |
US and Canada office-furniture standards
| ANSI/BIFMA X5.11-2015 | Standard for public seating safety and performance | |
|---|---|---|
| ANSI/BIFMA X5.4-2020 | Standard for lounge and public seating durability and structural testing | |
| BIFMA e3-2019 | Furniture sustainability standard for material emissions and environmental impact |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture hardware and structural strength | |
|---|---|---|
| GB 20286-2006 | Fire retardant requirements for public venue furniture and components | |
| GB/T 35607-2017 | Durability and safety requirements for public seating furniture | |
| GB/T 17657-2017 | Test methods for surface physical and chemical properties of furniture panels |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture hardware and structural strength; 2. GB 20286-2006: Fire retardant requirements for public venue furniture and components; 3. GB/T 35607-2017: Durability and safety requirements for public seating furniture; 4. GB/T 17657-2017: Test methods for surface physical and chemical properties of furniture panels; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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