| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (seat closed) | 590 x 760 x 1010 mm | |
|---|---|---|
| Center-to-center seat spacing | 590 mm | |
| Seat height above finished floor | 450 mm | |
| Seat cushion usable depth | 460 mm | |
| Seat inner usable width | 505 mm | |
| Armrest top height above floor | 610 mm | |
| Armrest top surface width | 85 mm | |
| Headrest cushion height | 200 mm | |
| Backrest total height from seat pan | 560 mm | |
| Floor mounting foot length | 350 mm | |
| Mounting hole center spacing on foot | 290 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
| Single seat net weight | 28 kg | |
|---|---|---|
| Recommended static user load capacity | 160 kg | |
| Seat cushion foam density | 65 kg/m3 | |
| Backrest foam density | 55 kg/m3 | |
| Cushion total foam thickness | 120 mm | |
| Upholstery fabric abrasion resistance | 50000 Martindale cycles | |
| Seat return mechanism cycle life | 100000 operations | |
| Standard product warranty | 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
| Seat and back upholstery | Woven polyester fabric, anti-static, stain-resistant, flame-retardant treated | |
|---|---|---|
| Internal support frame | 2.5 mm thick cold-rolled steel tube, powder-coated anti-rust finish | |
| Armrest top trim | Solid beech wood, 6-coat polyurethane varnish finish | |
| Side stanchion panels | 15 mm thick molded hardwood plywood, fabric-wrapped surface | |
| Seat and back cushion core | Cold-cured molded high-resilience polyurethane foam | |
| Floor mounting feet | Die-cast aluminum alloy with brushed silver finish, 20 mm steel wear plate | |
| Seat return mechanism | Dual steel springs with hydraulic damper for quiet automatic return | |
| Seam construction | Reinforced polyester stitching, 8 mm seam pitch | |
| Internal back support board | 12 mm thick multilayer plywood, ergonomic curved profile | |
| 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 fixation | Permanent bolt-down installation with 4 expansion screws per T-leg | |
|---|---|---|
| Ganged seating compatibility | Interlocking side stanchion design for consecutive row assembly | |
| Seat operation | Gravity/damper assisted automatic tip-up return with low-noise operation | |
| Ergonomic support | Contoured split back with separate headrest for lumbar and neck support | |
| Armrest function | Fixed padded armrests with solid wood top surface for forearm support | |
| Layout compatibility | Designed for 1100 mm long-row and 900 mm short-row installation pitches | |
| Surface maintenance | Stain-resistant fabric finish for 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
| Packaging type | Knock-down flat pack in 5-layer corrugated cartons | |
|---|---|---|
| Single seat carton dimensions | 800 x 700 x 500 mm | |
| Single seat packaged gross weight | 32 kg | |
| Single seat shipping volume | 0.28 CBM | |
| 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 |
Recommended spaces / users / usage modes
| Conference hall installation | Suitable for fixed-row seating in government and corporate conference venues | |
|---|---|---|
| Auditorium and theater use | Designed for performing arts centers and school auditoriums | |
| Lecture hall seating | Ideal for university and training center lecture theaters | |
| Public assembly venues | Suitable for civic centers, courts and public event spaces | |
| Cinema alternative seating | Appropriate for boutique cinemas without built-in cup holder requirements | |
| Installation surface compatibility | Suitable for installation on concrete, raised access or sloped riser floors | |
| 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 Auditorium Seating Performance Requirements | Covers structural strength, durability and stability for fixed public seating | |
|---|---|---|
| EN 1021-1:2014 Upholstered Furniture Ignition Resistance | Recommends smolder resistance for fabric and foam components | |
| EN 12727:2000 Seating for Public Areas Mechanical Safety Requirements | Applies to structural load and safety standards for fixed row seating |
Standards applicable to China-market projects
| GB 20286-2006 Fire Retardant Products for Public Places | Recommends flame-retardant fabric and foam for public assembly seating | |
|---|---|---|
| GB/T 3324-2017 General Technical Requirements for Wooden Furniture | Applies to solid wood trim and plywood panel quality standards | |
| GB/T 3325-2017 Metal Furniture General Technical Requirements | Applies to steel frame and metal leg structural quality standards |
This product must meet the following technical requirements: 1. GB 20286-2006 Fire Retardant Products for Public Places: Recommends flame-retardant fabric and foam for public assembly seating; 2. GB/T 3324-2017 General Technical Requirements for Wooden Furniture: Applies to solid wood trim and plywood panel quality standards; 3. GB/T 3325-2017 Metal Furniture General Technical Requirements: Applies to steel frame and metal leg structural quality standards; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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