| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall per-seat module dimensions | 565 x 860 x 1040 mm | |
|---|---|---|
| Seat center-to-center distance | 565 mm | |
| Seat height above finished floor | 450 mm | |
| Seat usable depth | 460 mm | |
| Usable seat width per position | 505 mm | |
| Armrest height above floor | 630 mm | |
| Folded overall seat depth (seat up, tablet stowed) | 460 mm | |
| Fold-out writing tablet thickness | 20 mm | |
| Back panel thickness | 15 mm | |
| Seat panel thickness | 15 mm | |
| Minimum recommended row spacing | 1000 mm | |
| Continuous support beam cross-section | 80 x 40 x 2.0 mm | |
| Floor mount flange footprint | 120 x 100 mm | |
| Tiered floor step height adjustment | 120 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm |
Net weight / load capacity / users / durability
| Net weight per individual seat module | 28 kg | |
|---|---|---|
| Recommended static load per seat | 150 kg | |
| Seat foam density (if upholstered) | 60 kg/m³ | |
| Back foam density (if upholstered) | 60 kg/m³ | |
| Writing tablet static load capacity | 30 kg | |
| Seat tip-up mechanism cycle life | 50000 cycles | |
| Recommended maximum user weight per seat | 120 kg | |
| Factory standard warranty period | 5 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Back and divider panels | 15 mm multilayer engineered wood with light wood grain HPL veneer | |
|---|---|---|
| Seat core panel | 15 mm plywood with HPL wear-resistant surface | |
| Continuous row support beam | 2.0 mm thick rectangular steel tube with grey epoxy powder coat | |
| Leg and armrest supports | Die-cast aluminum alloy with grey powder-coated finish | |
| Floor mount feet | Cast iron flanged bases with anti-corrosion powder coat | |
| Fold-out writing tablet | 20 mm high-density melamine laminate board with impact-resistant edge banding | |
| Tip-up hinge mechanism | Zinc-plated steel with polymer damping bushing | |
| Writing tablet folding hinge | Steel rotary hinge with positive lock in open position | |
| Leg cover trims | Injection-molded ABS plastic for exposed joint covers | |
| Underseat optional book rack | Steel wire mesh with powder coat finish | |
| Hardware fasteners | Stainless steel bolts and expansion anchors for floor mounting | |
| Panel edge trim | PVC edge banding matched to wood panel finish |
Adjustment / rotation / tilt / mobility / storage features
| Fold-up seat mechanism | Spring-loaded damped tip-up seat, returns slowly to vertical position without noise | |
|---|---|---|
| Fold-out writing tablet | Rotating tablet folds flat against armrest when stowed, locks level in use position | |
| Fixed floor mounting | Flanged feet anchor to concrete or raised tiered floors with expansion bolts | |
| Tiered floor adaptability | Beam mounting adjusts up to 120 mm step height for sloped auditorium floors | |
| Shared armrest design | Integral armrests between adjacent seats reduce row width and structural material | |
| Seat return damping | Hydraulic/polymer damper eliminates slamming and reduces noise in quiet spaces | |
| Aisle clearance maximization | Fully folded seats and stowed tablets provide clear passage between rows | |
| Continuous row rigidity | Single steel beam connects all seats in a row for high structural stability | |
| Optional under-seat storage | Retrofit-ready wire rack holds books and bags under each seat position | |
| Tablet anti-panic release | Tablet folds automatically if user exits quickly to prevent entrapment | |
| Modular row configuration | Seat modules connect in 2+ seat rows to match room layout requirements | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions |
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
| Tiered university lecture halls | Fixed row layout provides unobstructed sight lines for large-class instruction | |
|---|---|---|
| Corporate training auditoriums | Integrated writing tablets support note-taking and laptop use during sessions | |
| Conference center presentation rooms | Fold-up seats allow flexible room turnover and quick aisle clearance | |
| K-12 school assembly/lecture spaces | Fixed mounting prevents rearrangement and reduces maintenance | |
| Government and institutional hearing rooms | Fixed configured seating supports orderly public meeting layouts | |
| Multi-purpose hall fixed seating zones | Modular rows can be specified with or without tablets for varied events | |
| 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 auditoriums, performance and safety requirements | |
|---|---|---|
| EN 1022:2018 | Furniture – Seating – Determination of stability | |
| EN 13761:2002 | Office furniture – Visitor chairs, applies to public waiting/lecture seating | |
| EN 13501-1:2007 | Fire classification of construction products, applies to upholstery foam/fabric |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Office chairs general purpose tests, applies to load and durability reference | |
|---|---|---|
| ANSI/BIFMA X5.4-2020 | Lounge and public seating, applies to multi-position fixed seating |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to wood panel components | |
|---|---|---|
| GB/T 24821-2009 | General requirements for auditorium and public seating, applies to structural performance | |
| GB 18584-2001 | Limit of harmful substances in wood furniture, applies to panel emissions | |
| GB/T 10357.3-2013 | Furniture mechanical performance test for chair strength and durability |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to wood panel components; 2. GB/T 24821-2009: General requirements for auditorium and public seating, applies to structural performance; 3. GB 18584-2001: Limit of harmful substances in wood furniture, applies to panel emissions; 4. GB/T 10357.3-2013: Furniture mechanical performance test for chair strength and durability; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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