| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall unit dimensions (2-seat ganged) | 1180 x 740 x 1010 mm | |
|---|---|---|
| Per-seat center distance | 590 mm | |
| Seat height from floor | 455 mm | |
| Seat cushion usable width | 520 mm | |
| Seat cushion depth | 460 mm | |
| Backrest total height from seat | 560 mm | |
| Armrest top height from floor | 640 mm | |
| Single armrest top surface dimensions | 420 x 85 mm | |
| Steel support leg profile | 80 x 40 mm rectangular tube | |
| Floor mounting base footprint per leg | 310 x 74 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
| Total unit net weight | 38 kg | |
|---|---|---|
| Recommended per-seat static load capacity | 260 kg | |
| Armrest vertical static load rating | 250 kg | |
| Seat shell static load rating | 350 kg | |
| Recommended minimum row-to-row pitch | 1070 mm | |
| Structural warranty period | 5 years | |
| Fabric abrasion resistance rating | 50000 Martindale cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Light gray woven polyester fabric, abrasion-resistant surface treatment | |
|---|---|---|
| Seat cushion padding | 140mm thick high-density polyurethane foam, 65 kg/m³ density, 45% rebound rate | |
| Backrest padding | 120mm thick high-density polyurethane foam, 60 kg/m³ density, 40% rebound rate | |
| Armrest top surfaces | 40mm thick lacquered solid beech wood, clear UV-cured finish | |
| Armrest support brackets | 2.5mm thick cold-rolled steel, black powder-coated finish | |
| Floor-mounted support frames | 2.5mm thick cold-rolled steel, polished chrome plating | |
| Inner seat/back shells | 15mm thick 7-layer bent hardwood plywood, moisture-resistant seal | |
| Seat underside edge trim | Rigid black polypropylene, impact-resistant | |
| Floor fixing hardware | Zinc-plated steel M10 expansion bolts, rust-resistant coating | |
| 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 |
Adjustment / rotation / tilt / mobility / storage features
| Floor mounting configuration | Permanent fixed installation to level or stepped auditorium floors via 4 bolts per leg | |
|---|---|---|
| Ganged row alignment | Seats connect in continuous rows with shared central armrest between adjacent units | |
| Seat cushion design | Fixed non-tip-up upholstered cushion with reinforced edge support | |
| Backrest ergonomics | Contoured lumbar support with vertical channel stitching to retain padding shape | |
| Armrest functionality | Fixed flat wood writing/arm support surface positioned at standard seated elbow height | |
| Backrest recline angle | 100 degrees from horizontal seat surface | |
| Upholstery maintenance | Stain-resistant fabric surface allows spot cleaning with mild detergent | |
| 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
| Shipping carton dimensions | 1220 x 780 x 480 mm | |
|---|---|---|
| Gross shipping weight per unit | 43 kg | |
| 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 auditorium and lecture halls | Fixed ganged configuration suitable for permanent audience seating in educational venues | |
|---|---|---|
| Cinema and performing arts theaters | Padded upholstery and ergonomic dimensions support extended viewing comfort | |
| Conference halls and corporate event spaces | Neutral light gray finish and wood armrests suit formal professional environments | |
| School and university assembly halls | Heavy-duty steel frame meets high-traffic daily use requirements for student seating | |
| Church and religious worship spaces | Quiet fixed seating design supports extended seated attendance without operational noise | |
| Government and public institution meeting rooms | Commercial-grade durability meets public sector procurement requirements for long service life | |
| 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 13761:2002 | Test methods for strength, durability and stability of public auditorium seating | |
|---|---|---|
| EN 1021-1:2014 | Upholstered furniture flammability resistance to smoldering cigarette ignition | |
| EN 1021-2:2014 | Upholstered furniture flammability resistance to match flame ignition |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to wood armrest components | |
|---|---|---|
| GB/T 3325-2017 | General technical requirements for metal furniture, applicable to steel support frames | |
| GB 20286-2006 | Flame retardant requirements for public seating upholstery components | |
| GB/T 1952.2-2011 | Test methods for furniture strength and durability for public seating |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to wood armrest components; 2. GB/T 3325-2017: General technical requirements for metal furniture, applicable to steel support frames; 3. GB 20286-2006: Flame retardant requirements for public seating upholstery components; 4. GB/T 1952.2-2011: Test methods for furniture strength and durability for public seating; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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