| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Single seat overall dimensions | 590 x 830 x 1080 mm | |
|---|---|---|
| Seat height from floor | 465 mm | |
| Armrest height from floor | 660 mm | |
| Writing tablet working height | 611 mm | |
| Deployed writing tablet dimensions | 270 x 252 mm | |
| Armrest cap width | 85 mm | |
| Seat cushion usable dimensions | 470 x 440 mm | |
| Minimum required row-to-row pitch | 950 mm | |
| Floor stanchion mounting hole pitch | 340 mm | |
| Backrest height above seat | 615 mm | |
| Folded seat closed depth per unit | 520 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 single seat | 35 kg | |
|---|---|---|
| Recommended static user load per seat | 150 kg | |
| Seat cushion foam density | 60 kg/m³ | |
| Backrest foam density | 55 kg/m³ | |
| Seat foam thickness | 125 mm | |
| Back foam thickness | 135 mm | |
| Seat frame impact resistance | 85 kg | |
| Standard product warranty | 5 years | |
| Available standard color options | 3 | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Blue high-wear woven fabric, 50,000-cycle abrasion rating | |
|---|---|---|
| Armrest caps | Solid beech wood with clear PU lacquer finish | |
| Cushion padding | Cold-molded high-resilience polyurethane foam, 45% rebound rate | |
| Structural internal frame | 2.0 mm thick cold-rolled steel with powder-coated black finish | |
| Floor support stanchions | 5 mm thick die-cast aluminum alloy, black matte powder coat | |
| Flip-up writing tablet | 12 mm thick multilayer wood panel with matte wood finish, aluminum alloy hinge | |
| Seat/back outer side panels | 15 mm thick hardwood multilayer board, fabric-wrapped edges | |
| Seat return mechanism components | Torsion steel spring with rubber dampening buffers | |
| Seam construction | Reinforced stitched seams at 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 | |
| Gas-lift Engineering Specification | Recommended Class 4; outer tube 50 mm; stroke 100 mm |
Adjustment / rotation / tilt / mobility / storage features
| Gravity-damped tip-up seat | Cushion automatically returns to vertical stowed position in ≤3 seconds when unoccupied, with noise-dampening pads | |
|---|---|---|
| Stowable flip writing tablet | Rotates 90 degrees from stowed vertical position to horizontal working position, with 6.5° working tilt for writing comfort | |
| Fixed floor mounting | Secured to finished raised venue floors via bolted stanchion feet for permanent row installation | |
| Ganged row interconnection | Adjacent seats connect via shared armrest supports for aligned linear row installation | |
| Quiet operation design | Rubber noise dampeners on seat hinges and return mechanism eliminate impact noise during seat stowage | |
| Contoured segmented back support | Stitched segmented panels provide upright lumbar and upper back support for 2 hour seated events | |
| Aisle clearance provision | Tipped-up seat provides minimum 300 mm clear aisle width per row for emergency egress | |
| 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
| 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
| University lecture halls | Permanent row installation with writing tablets supports extended note-taking during classes and lectures | |
|---|---|---|
| Corporate conference auditoriums | Fixed ganged layout provides consistent, organized seating for company meetings and presentations | |
| Government and institutional meeting halls | Durable fixed construction meets high-traffic public assembly requirements with formal appearance | |
| Theater and performing arts venues | High contoured back support provides comfortable upright seating during performances | |
| Training and seminar rooms | Deployable writing tablets accommodate materials, handouts, and devices during training sessions | |
| Public assembly egress compliance | Tipped seat configuration maintains required clear aisle width for public safety codes | |
| 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
| Fire safety recommendation | EN 1021:2014, applicable to upholstered furniture cigarette ignition resistance | |
|---|---|---|
| Structural safety recommendation | EN 12727:2000, applicable to strength and durability requirements for auditorium seating | |
| Seat durability recommendation | EN 1728:2014, applicable to seating test methods for strength and stability |
Standards applicable to China-market projects
| Structural strength recommendation | GB/T 35452applicable to fixed public auditorium seating mechanical load requirements | |
|---|---|---|
| Fire safety recommendation | GB 20286applicable to flame-retardant requirements for public venue upholstered furniture | |
| Hardware durability recommendation | GB/T 10357.3applicable to seating mechanical durability test methods |
This product must meet the following technical requirements: 1. Structural strength recommendation: GB/T 35452applicable to fixed public auditorium seating mechanical load requirements; 2. Fire safety recommendation: GB 20286applicable to flame-retardant requirements for public venue upholstered furniture; 3. Hardware durability recommendation: GB/T 10357.3applicable to seating mechanical durability test methods; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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