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|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 580 x 720 x 1020 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
| Net weight per chair | 22 kg | |
|---|---|---|
| Static seat load capacity | 150 kg | |
| Fabric abrasion resistance | 50000 cycles | |
| Seat cushion foam density | 45 kg/m³ | |
| Backrest foam density | 35 kg/m³ | |
| Recommended row spacing (center to center) | 950 mm | |
| Design service life | 10 years | |
| Knee clearance for rear-row occupants | 300 mm | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Woven polyester fabric with flame-retardant backing | |
|---|---|---|
| Seat cushion core | High-density polyurethane foam, 80mm thickness | |
| Backrest cushion core | Contoured polyurethane foam, 60mm thickness | |
| Armrest top pads | Solid beech wood with clear lacquer finish | |
| Support frame | 2.0mm thick cold-rolled steel with black powder coating | |
| Floor mounting plates | 1.5mm thick chrome-plated steel | |
| Seat underside panel | Impact-resistant black ABS plastic | |
| Frame connecting hardware | Zinc-plated steel bolts and brackets | |
| 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 |
Adjustment / rotation / tilt / mobility / storage features
| Floor mounting system | Dual fixed chrome foot plates with pre-drilled holes for concrete floor anchoring | |
|---|---|---|
| Seat return mechanism | Gravity-activated automatic tip-up seat that folds to vertical position when unoccupied | |
| Armrest configuration | Fixed wide wooden armrests on both sides for arm support during events | |
| Seat structure | Fixed backrest with ergonomic lumbar contour for extended sitting support | |
| Row integration | Modular design allowing ganged installation of multiple chairs in continuous straight or curved rows | |
| Under-seat space | Open recess under tip-up seat to allow foot placement and easy floor cleaning | |
| Noise damping | Rubber buffer pads at seat pivot points to eliminate impact noise when seat folds | |
| 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
| 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
| Indoor auditoriums | Install in fixed rows for school, theater or corporate auditorium venues requiring permanent ranked seating | |
|---|---|---|
| Cinema and performance halls | Suitable for movie theaters and live performance venues with high daily occupancy | |
| Lecture halls and conference centers | Deploy in university lecture halls and large conference rooms for long-duration seated events | |
| Public assembly venues | Use in government assembly halls and cultural centers requiring durable, code-compliant fixed seating | |
| Training facilities | Install in corporate training centers where fixed, low-maintenance row seating is required | |
| 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
| Furniture safety and strength | EN 12727:2000 | |
|---|---|---|
| Upholstered furniture flammability | EN 1021:2014 |
Standards applicable to China-market projects
| Public seating flame retardancy | GB 20286 | |
|---|---|---|
| Formaldehyde emission limits | GB 18584 | |
| Furniture mechanical performance | GB/T 3324 |
This product must meet the following technical requirements: 1. Public seating flame retardancy: GB 20286; 2. Formaldehyde emission limits: GB 18584; 3. Furniture mechanical performance: GB/T 3324; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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