Product supplierFixed Tiered Lecture Hall Row Seating with Attached Writing Desk, 2.5mm thick cold-rolled steel, black powder-coated finish
Contact the supplier for production scheduling and quotation.
PRODUCT MODULE 01 / 06
Physical Dimensions
Automatic mm / inch conversion · Core engineering specifications
Data source: Structured from factory data; final measured values prevail.
| Overall dimensions (W × D × H) | 520 × 830 × 930 mm | |
|---|---|---|
| Per-seat center distance | 520 mm | |
| Seat height above floor | 450 mm | |
| Writing desk surface height | 870 mm | |
| Overall per-position dimensions | 520 x 830 x 930 mm | |
| Seat panel thickness | 15 mm | |
| Back panel thickness | 17 mm | |
| Writing desk panel thickness | 25 mm | |
| Writing desk usable width | 350 mm | |
| Under-seat book basket dimensions | 420 x 230 x 100 mm | |
| Floor anchor foot plate size | 375 x 50 mm | |
| Seat usable depth | 470 mm | |
| Recommended tier step rise | 120 mm | |
| Recommended tier row depth | 950 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm |
PRODUCT MODULE 02 / 06
Weight, Load & Performance
Net weight / load capacity / users / durability
Data source: Product performance data; verify exact test conditions before procurement.
| Per-seat static load capacity | 260 kg | |
|---|---|---|
| Net weight per seat position | 25 kg | |
| Seat return mechanism cycle life | 50000 cycles | |
| Seat return noise level | 8 dB | |
| Powder coat thickness on steel frame | 50 μm | |
| Powder coat impact resistance | 50 kg/cm | |
| Recommended formaldehyde emission for panels | 0.025 mg/m³ | |
| Applicable user count per position | 1 person | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
PRODUCT MODULE 03 / 06
Materials & Structure
Core acceptance fields · Panels / hardware / frame / upholstery
Data source: Subject to the factory material list and inspection report.
| Support frame and stanchions | 2.5mm thick cold-rolled steel, black powder-coated finish | |
|---|---|---|
| Seat and back panels | 15mm/17mm molded plywood, light wood grain fire-resistant laminate surface | |
| Writing desk panel | 25mm particleboard core, double-sided fire-resistant laminate, PVC edge banding | |
| Desk support bracket | 1.8mm thick cold-rolled steel, black powder-coated | |
| Under-seat book basket | 5mm cold-drawn steel wire, welded mesh, black powder-coated | |
| Tip-up seat pivot hinges | Die-cast steel with internal spring damper, black coated | |
| Floor mounting hardware | Internal hex expansion bolts, steel, anti-rust treated | |
| Edge trim on panels | PVC edge banding, matched to panel 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 | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel |
PRODUCT MODULE 04 / 06
Functions & Adjustment
Adjustment / rotation / tilt / mobility / storage features
Data source: Functional configuration; the supplier specification prevails.
| Tip-up seat mechanism | Spring-damped automatic slow return, flips up 90 degrees to clear aisle space | |
|---|---|---|
| Permanent floor anchoring | Bolts to concrete tiered floors via steel foot plates, no movement after installation | |
| Under-seat storage basket | Open front wire basket holds textbooks, bags and personal items during class | |
| Fixed integrated writing desk | Rigidly attached to front seat frame, no folding or adjustment, stable writing surface | |
| Staggered tiered row configuration | Designed for stepped floor installation to provide unobstructed sightlines | |
| Row connection design | Adjacent seats share common support stanchions for continuous rigid rows | |
| 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 |
PRODUCT MODULE 05 / 06
Packaging & Logistics
Verified carton / gross weight / assembly / loading data
Data source: Reference for export quotations and container planning.
| 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 |
PRODUCT MODULE 06 / 06
Applications & Usage
Recommended spaces / users / usage modes
Data source: Recommended applications based on product form and category.
| Tiered university lecture halls | Fixed row configuration with elevated sightlines for large class instruction | |
|---|---|---|
| Multimedia training auditoriums | Integrated writing surface supports note-taking during presentations and training | |
| High school large assembly classrooms | Durable construction withstands daily high-traffic student use | |
| Government and corporate conference halls | Formal dark-frame wood-finish aesthetic matches official conference space design | |
| Continuing education examination halls | Fixed individual seating with writing surface provides standardized exam workspace | |
| Recommended Matching Desk Size | 2.4 m executive desk | |
| Reference Daily Use Duration | 8 hours/day; confirm by ergonomic testing |
STANDARD S1
EU Market Entry Requirements * EN Standards
EU Market Access Requirements* EN Standards
| EN 12727:2000 | Furniture - Seating for educational institutions - Safety requirements and test methods | |
|---|---|---|
| EN 1022:2018 | Domestic furniture - Seating - Determination of stability | |
| EN 13722:2004 | Furniture - Seating - Test methods for the determination of strength and durability |
STANDARD S3
Standards Applicable to China-Market Projects * GB Standards
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to panel components | |
|---|---|---|
| GB/T 3325-2017 | General technical requirements for metal furniture, applicable to steel frame | |
| GB 18584-2001 | Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture | |
| GB/T 10357.3-2013 | Test of mechanical properties of furniture - Strength and durability of chairs and stools |
Standardized tender description text
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to panel components; 2. GB/T 3325-2017: General technical requirements for metal furniture, applicable to steel frame; 3. GB 18584-2001: Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture; 4. GB/T 10357.3-2013: Test of mechanical properties of furniture - Strength and durability of chairs and stools; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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