| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall per-seat dimensions (closed) | 580 x 750 x 1050 mm | |
|---|---|---|
| Arm center-to-center spacing | 580 mm | |
| Seat height from finished floor | 450 mm | |
| Seat usable depth | 450 mm | |
| Backrest total height from seat | 600 mm | |
| Armrest top height from floor | 630 mm | |
| Open seat tip-up clearance from floor | 350 mm | |
| Perforated seat underside panel thickness | 1.2 mm | |
| Support leg tubing profile | 40 x 30 mm | |
| Seat cushion thickness | 100 mm | |
| Backrest cushion thickness | 50 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 individual seat | 25 kg | |
|---|---|---|
| Maximum static vertical load per seat | 150 kg | |
| Seat foam density (seat cushion) | 65 kg/m³ | |
| Seat foam density (backrest cushion) | 55 kg/m³ | |
| Fabric abrasion resistance (Martindale) | 50000 cycles | |
| Seat tip-up return mechanism cycle life | 50000 operations | |
| Floor anchoring static pull-out load per leg | 10 kN | |
| Standard product warranty | 5 years | |
| Available standard color options | 6 | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Woven commercial polyester fabric | |
|---|---|---|
| Seat cushion padding | Cold-molded CMHR polyurethane foam | |
| Backrest padding | Shaped cold-molded polyurethane foam | |
| Seat underside panel | Perforated powder-coated steel sheet | |
| Support leg framework | Aluminum alloy uprights with powder-coated steel base plates | |
| Armrest surfaces | PU-capped padded frame | |
| Tip-up hinge assembly | Hardened steel pivot pins with integrated polymer bushings | |
| Side modesty panels | Fabric-upholstered rigid composite board | |
| Floor anchoring hardware | Zinc-plated steel expansion bolts | |
| Fabric seam construction | Reinforced stitched seams with 8 mm 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
| Tip-up seat operation | Gravity-powered automatic return with hydraulic damper | |
|---|---|---|
| Row configuration | Modular ganged connected seating units | |
| Floor installation | Permanent fixed floor anchoring | |
| Seat ventilation | Perforated underside and rear panel design | |
| Aisle clearance function | Vertical seat tip-up to 90 degrees from closed position | |
| Shared armrest design | Single armrest between adjacent seats | |
| Noise dampening | Polymer hinge bushings and damped return | |
| Optional accessories | Writing tablets, row number plates, back net pockets, fire-rated upholstery | |
| Backrest fixed recline angle | 106 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
| Cinema and screening rooms | Ergonomic angled back and tip-up seat support long film viewing sessions | |
|---|---|---|
| Lecture halls and university auditoria | Ganged fixed layout and durable fabric withstand high daily student traffic | |
| Conference centers and assembly halls | Quiet damped seat return prevents disruption during formal events | |
| Performing arts theaters | Fixed floor mounting and classic red finish match formal venue aesthetics | |
| Multi-function event spaces | Modular ganged configuration allows custom row lengths for flexible layouts | |
| Corporate training rooms | Structured upright posture supports extended focused learning activities | |
| 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 13761:2004 | Performance requirements for auditorium and lecture hall fixed seating | |
|---|---|---|
| EN 1022:2018 | Stability and structural load testing for public seating units | |
| EN 1021-1:2014 | Upholstered furniture ignition resistance (cigarette smolder test) |
US and Canada office-furniture standards
| ANSI/BIFMA X5.11-2015 | Structural performance standard for public and assembly seating |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for furniture, applicable to structural safety and finish durability | |
|---|---|---|
| GB 20286-2006 | Flame retardant requirements for public seating upholstery and fill materials | |
| GB/T 10357.3-2013 | Test method for chair strength and durability for fixed public seating | |
| GB 50763-2012 | Accessibility design requirements for public assembly venue seating |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for furniture, applicable to structural safety and finish durability; 2. GB 20286-2006: Flame retardant requirements for public seating upholstery and fill materials; 3. GB/T 10357.3-2013: Test method for chair strength and durability for fixed public seating; 4. GB 50763-2012: Accessibility design requirements for public assembly venue seating; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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