| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
No corrections yet. Use the flag at the end of a row to report an issue. | ||||
Automatic mm / inch conversion · Core engineering specifications
| Overall double-seat dimensions | 1140 x 770 x 1000 mm | |
|---|---|---|
| Single-seat center distance | 570 mm | |
| Seat height above finished floor | 440 mm | |
| Seat usable width | 490 mm | |
| Seat depth (tip-up open position) | 470 mm | |
| Armrest height above finished floor | 620 mm | |
| Wood armrest cap dimensions | 422 x 85 x 29 mm | |
| Backrest total height from seat | 560 mm | |
| Minimum recommended row spacing | 950 mm | |
| Floor mount T-stanchion fixing hole pitch | 280 mm | |
| Side upholstered panel thickness | 15 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 static load rating | 150 kg | |
|---|---|---|
| Seat tip-up mechanism cycle life | 200000 cycles | |
| Upholstery abrasion resistance (Martindale) | 50000 cycles | |
| Seat foam density | 55 kg/m³ | |
| Backrest foam density | 45 kg/m³ | |
| Foam rebound rate | 55% | |
| Net weight per single seat | 35 kg | |
| Recommended annual service life under normal use | 5 years | |
| Fabric flame retardant rating (optional upgrade) | B1 | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Woven polyester fabric with anti-abrasion finish | |
|---|---|---|
| Armrest caps | Lacquered solid hardwood (beech/oak) | |
| Floor support stanchions | 2.5mm thick cold-rolled steel with black powder coating | |
| Seat/back cushion padding | Cold-cure molded PU foam | |
| Inner structural panels | 10mm thick multi-layer plywood | |
| Structural outer shells | 3mm thick glass-fiber reinforced polypropylene | |
| Side upholstered panels | 3mm thick MDF wrapped in matching red fabric | |
| Seat pivot shaft | 45# carbon steel with high-strength nylon bushings | |
| Return mechanism springs | Zinc-plated dual steel springs | |
| Floor mounting fasteners | Galvanized hex socket expansion bolts with plastic dust covers | |
| 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 return mechanism | Dual-spring automatic silent tip-up when unoccupied | |
|---|---|---|
| Installation method | Permanent floor-fixed via expansion bolts to concrete substrates | |
| Ganging configuration | Pre-aligned adjacent double-seat units for continuous row installation | |
| Backrest ergonomics | Fixed inclined contoured back with 100° torso angle for prolonged viewing | |
| Seat operation | Counterbalanced tip-up with 90° vertical fold to maximize row clearance | |
| Perforated side panel ventilation | Textured perforated back side panel for air circulation | |
| Hardware corrosion protection | Powder-coated and zinc-plated metal components for indoor public venue use | |
| Custom color compatibility | Fabric color customizable to match venue Pantone specifications | |
| 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
| Knockdown packaging configuration | 2 double-seat units per export carton | |
|---|---|---|
| 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 | Fixed row installation for university/college lecture halls with continuous sightlines | |
|---|---|---|
| Performance theater application | Ganged row seating for proscenium theaters and performing arts centers | |
| Conference hall application | Permanent seating for government and corporate assembly halls | |
| Cinema application | Upgradable fabric for independent cinemas requiring classic red seating | |
| Church/auditorium application | Durable fixed seating for religious assembly and community auditoria | |
| Recommended installation note | Requires level concrete subfloor with pre-marked bolt positions for alignment | |
| 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
| BS EN 12727:2001 | Applies to strength, durability and safety requirements for public seating |
|---|
Standards applicable to China-market projects
This product must meet the following technical requirements: 1. Technical standards and test reports must be supplied during tender or purchase confirmation; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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