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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 740 x 830 x 1180 mm | |
|---|---|---|
| Seat width | 620 mm | |
| Seat depth | 570 mm | |
| Seat height range | 520 mm | |
| Backrest height | 780 mm | |
| Backrest width | 530 mm | |
| Armrest height from seat | 220 mm | |
| Caster diameter | 50 mm | |
| Base spread diameter | 680 mm | |
| Cushion thickness | 100 mm | |
| Backrest padding thickness | 80 mm | |
| Side panel wood thickness | 30 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Net weight | 27.6 kg | |
|---|---|---|
| Recommended static load capacity | 181 kg | |
| Recline angle range | 120 degrees | |
| Caster rolling durability | 40000 cycles | |
| Seat height adjustment stroke | 80 mm | |
| Tilt tension adjustment range | 80Nm | |
| Seam stitching durability | 20000 cycles | |
| Foam density (seat) | 45 kg/m³ | |
| Foam density (backrest) | 35 kg/m³ | |
| Foam rebound rate | 55% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Upholstery | Two-tone brown top-grain split leather | |
|---|---|---|
| Frame and armrests | Solid hardwood with polished mahogany-toned finish | |
| Seat/back substrate | 15 mm thick plywood board | |
| Seat cushion core | High-density polyurethane foam | |
| Backrest cushion core | Layered high-density polyurethane foam | |
| Internal mechanism plate | 3 mm thick cold-rolled steel | |
| Gas lift | Steel tube with black finish, Class 3 rating | |
| Casters | Black nylon housing with polyurethane tread | |
| Hardware fasteners | Zinc-plated steel bolts and brackets | |
| Stitching | High-tenacity polyester thread, 8 stitches per 30 mm | |
| Side control knob | Hard plastic with textured black finish | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full 360° horizontal rotation enabled by central swivel mechanism | |
|---|---|---|
| Pneumatic seat height adjustment | 80 mm vertical adjustment via right-side under-seat lever | |
| Recline tilt function | Backward recline up to 120° from upright position | |
| Tilt tension adjustment | Adjustable resistance knob modulates tilt force to match user weight | |
| Upright position lock | Mechanism locks backrest in vertical working position | |
| Caster mobility | Dual-wheel casters roll on carpet and hard floor surfaces | |
| Integrated lumbar support | Segmented padded lumbar zone aligns with lower back curve | |
| Fixed curved armrests | Carved solid wood armrests provide consistent forearm support | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| 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
| Executive office use | Suitable for private executive offices, provides professional aesthetic and long-session comfort | |
|---|---|---|
| Boardroom/conference room use | Appropriate for formal meeting rooms, complements wood conference table finishes | |
| Managerial workstation use | Fits standard 750 mm height office desks for daily desk work | |
| Traditional style office spaces | Ideal for offices with classic wood furniture and formal decor | |
| Long-duration seated work | Supports 8 hour daily seated use for administrative or managerial tasks | |
| Carpeted and hard-floor offices | Dual-wheel casters roll smoothly without damaging office floor surfaces | |
| 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 1335-1:2020 | Office furniture - Office work chairs - Part 1: Dimensions, dimensional requirement for fit | |
|---|---|---|
| EN 1335-2:2018 | Office furniture - Office work chairs - Part 2: Safety requirements, structural stability | |
| EN 1335-3:2018 | Office furniture - Office work chairs - Part 3: Test methods, structural durability validation |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Standard for office chairs, applicable to strength, durability and stability testing | |
|---|---|---|
| ANSI/BIFMA G1-2013 | Ergonomic guidelines for office furniture, applicable to adjustability ranges |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to solid wood frame components | |
|---|---|---|
| GB/T 16799-2008 | Leather for furniture, applicable to leather upholstery material quality | |
| GB 28007-2011 | Safety and performance requirements for office chairs, mandatory for structural safety |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to solid wood frame components; 2. GB/T 16799-2008: Leather for furniture, applicable to leather upholstery material quality; 3. GB 28007-2011: Safety and performance requirements for office chairs, mandatory for structural safety; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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