| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| 3-seat unit overall dimensions | 1740 x 660 x 980 mm | |
|---|---|---|
| Seat center-to-center spacing | 580 mm | |
| Seat height from floor | 460 mm | |
| Seat cushion usable depth | 480 mm | |
| Seat cushion usable width | 490 mm | |
| Backrest total height | 720 mm | |
| Armrest height from seat surface | 230 mm | |
| Integrated cup holder inner diameter | 80 mm | |
| Floor mounting foot plate length | 180 mm | |
| Minimum required row clearance for egress | 900 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
| Per-seat static load capacity | 1600 N | |
|---|---|---|
| Recommended per-user weight limit | 150 kg | |
| Cold-molded PU foam density | 55 kg/m³ | |
| Seat cushion foam thickness | 80 mm | |
| Backrest foam thickness | 80 mm | |
| Fabric upholstery abrasion resistance | 50000 double rubs | |
| Standard product warranty | 5 years | |
| 3-seat unit net weight | 57 kg | |
| 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 | Pink woven polyester fabric with quilted grid stitching, 0.8mm thickness | |
|---|---|---|
| Seat padding core | High-density cold-molded PU foam, 55kg/m³ density | |
| Back padding core | High-density cold-molded PU foam, 55kg/m³ density | |
| Armrest top surface | Solid beech wood with polished clear lacquer finish | |
| Armrest lower trim | Black matte ABS plastic, integrated recessed cup holder | |
| Support frame structure | 16-gauge powder-coated carbon steel tubing and 3mm cold-rolled steel foot plates | |
| Seat pivot axle | 16mm diameter solid steel axle with spring-damped return mechanism | |
| Internal back support panel | 7-ply molded plywood, 12mm thickness | |
| Seat upholstery seam pitch | 30 mm | |
| Frame surface finish | Black electrostatic powder coating, 60μm thickness | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| Installation method | Permanent T-foot bolt-down mounting to finished floor or tiered riser | |
|---|---|---|
| Seat return mechanism | Spring-damped silent automatic return to vertical position when unoccupied | |
| Armrest beverage holding | Integrated 80mm diameter recessed cup holder on every shared and end armrest | |
| Seat operation | Gravity-assisted tip-up seat to increase aisle clearance between rows | |
| Ganged seating configuration | Pre-aligned 3 linked seats on shared support stanchions for uniform row alignment | |
| Backrest support | Fixed ergonomic 16-degree tilted backrest for extended forward-facing viewing | |
| Upholstery performance | Stain-resistant fabric treatment for easy cleaning in high-traffic public spaces | |
| Pivot mechanism durability | 100000 tip-up return cycles without structural failure | |
| Backrest tilt angle from vertical | 16 degrees | |
| 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 |
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
| Lecture hall application | Suitable for university and corporate lecture halls, fixed row layout with unobstructed sightlines | |
|---|---|---|
| Cinema and theater use | Applicable to independent cinemas and performance theaters with tiered riser installation | |
| Conference center use | Ideal for large conference venue assembly halls with permanent seating layouts | |
| Church and assembly hall use | Suitable for church sanctuaries and municipal public assembly spaces | |
| Installation requirement note | Requires pre-drilled anchor points on concrete or raised wood riser floors for permanent fixing | |
| Cleaning suitability | Stain-resistant fabric and smooth wood armrests support routine daily cleaning in high-traffic venues | |
| Color customization option | Pink fabric finish available alongside standard red, black, and navy fabric options per commercial seating lines | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 12727:2000 | Furniture - Ranked seating for public areas, test methods for strength and durability | |
|---|---|---|
| EN 1022:2018 | Furniture - Seating - Determination of stability for non-domestic seating |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applies to solid wood armrest components | |
|---|---|---|
| GB/T 24430.1-2009 | Public seating safety requirements, applies to structural strength and stability of fixed seats | |
| GB 18580-2017 | Formaldehyde emission limits for wood-based panels, applies to internal plywood support panels |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applies to solid wood armrest components; 2. GB/T 24430.1-2009: Public seating safety requirements, applies to structural strength and stability of fixed seats; 3. GB 18580-2017: Formaldehyde emission limits for wood-based panels, applies to internal plywood support panels; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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