| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall two-seat installed dimensions | 1160 x 730 x 1000 mm | |
|---|---|---|
| Seat center-to-center distance | 580 mm | |
| Seat height above finished floor | 450 mm | |
| Seat inner usable width per position | 490 mm | |
| Seat cushion depth | 430 mm | |
| Backrest total height from seat surface | 560 mm | |
| Armrest height above finished floor | 620 mm | |
| Armrest cap dimensions | 422 x 80 x 29 mm | |
| Pedestal leg base footprint per support | 320 x 100 mm | |
| Seat thickness with foam and upholstery | 95 mm | |
| Backrest cushion thickness | 95 mm | |
| Side panel height from armrest to seat rail | 340 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
| Two-seat unit net weight | 46 kg | |
|---|---|---|
| Recommended static load per seat | 150 kg | |
| Seat cushion foam density | 65 kg/m³ | |
| Backrest foam density | 55 kg/m³ | |
| Foam rebound rate | 60% | |
| Upholstery abrasion resistance (Martindale) | 50000 cycles | |
| Seat tip-up mechanism cycle life | 100000 cycles | |
| Powder-coated frame corrosion resistance | 24 h neutral salt spray pass | |
| Warranty period for mechanical components | 5 years | |
| Available standard upholstery color count | 4 |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Wear-resistant public-seating fabric with optional flame-retardant/anti-static treatment | |
|---|---|---|
| Seat cushion padding | High-density cold-cured polyurethane foam | |
| Backrest padding | Contoured high-density molded polyurethane foam | |
| Armrest top caps | Dark-finished solid beech wood, 29mm thick | |
| Armrest structural side panels | Fabric-upholstered padded panels with black rigid PP/steel frame borders | |
| Support frame and pedestal legs | 2.2mm thick powder-coated cold-rolled steel | |
| Inner seat/back shells | 3mm thick rigid polypropylene support panels | |
| Floor mounting hardware | Electrostatic-coated rust-resistant hex socket expansion screws with plastic dust caps | |
| Seat tip-up mechanism | Double torsion spring with integrated damper for silent return | |
| Seam construction | Reinforced stitched seams with 8mm stitch pitch | |
| 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
| Seat tip-up function | Automatic spring-damper slow return to vertical position when unoccupied | |
|---|---|---|
| Floor mounting system | Fixed rigid installation via pedestal flanges secured with expansion anchors | |
| Ganged row connection | Modular interlocking design for continuous multi-seat row assembly | |
| Ergonomic back support | Contoured lumbar-shaped back with vertical stitching for upper and lower back support | |
| Armrest function | Fixed wide padded armrests with wood tops for forearm support during seated use | |
| Optional accessory compatibility | Pre-drilled mounting points for optional writing tablets, row number plates, and book nets | |
| Row clearance design | Tip-up seat provides 300mm minimum aisle access when folded upright | |
| 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
| Pack configuration | Knockdown shipment in 2 double-corrugated 5-ply cartons with PE foam protective padding | |
|---|---|---|
| Individual carton dimensions | 1200 x 600 x 450 mm | |
| Total shipping volume per two-seat set | 0.35 m³ | |
| Total shipping gross weight per set | 52 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 |
Recommended spaces / users / usage modes
| School and university lecture halls | Fixed row seating with tip-up seats for efficient access and long lecture sessions | |
|---|---|---|
| Corporate and government conference auditoriums | Formal red upholstered seating for large assembly and formal presentation events | |
| Community theaters and performance venues | Ergonomic high-back support for extended audience seating during performances | |
| Religious worship halls and churches | Durable, low-maintenance fixed seating for regular large congregation use | |
| Cinema and screening rooms | Quiet tip-up mechanism and padded support suitable for movie viewing environments | |
| 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 12727:2000 | European standard for strength/durability of ranked auditorium seating, recommended for performance validation | |
|---|---|---|
| EN 1021-1:2014 | Upholstered furniture ignition resistance (cigarette source), recommended for fabric safety requirements |
US and Canada office-furniture standards
| ANSI/BIFMA X5.11-2015 | Standard for public lounge seating performance, applicable for static load and durability testing | |
|---|---|---|
| ANSI/BIFMA X5.4-2020 | Standard for lounge seating structural durability, recommended for long-term heavy-use validation |
Standards applicable to China-market projects
| GB 18584-2001 | Standard for formaldehyde emission limits on wood-based furniture components, applicable for inner panel materials | |
|---|---|---|
| GB 20286-2006 | Standard for flame retardant performance of public venue upholstered furniture, recommended for fabric selection |
This product must meet the following technical requirements: 1. GB 18584-2001: Standard for formaldehyde emission limits on wood-based furniture components, applicable for inner panel materials; 2. GB 20286-2006: Standard for flame retardant performance of public venue upholstered furniture, recommended for fabric selection; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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