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3-Seat Public Beam Waiting Chair with Aluminum End Supports Specifications

PU-B3-AL-780Code:WDK119V1

3-Seat Public Beam Waiting Chair with Aluminum End Supports (model PU-B3-AL-780) is listed under Public Waiting Chair. Dimensions: 1800 × 700 × 880 mm. Materials: 25 mm thick self-skinning integral PU foam over 1.8 mm cold-rolled steel insert. Load capacity: 350 kg. Product Features: High-traffic,public,seating,fixed,beam-mounted,structure,blue,finish,aluminum,frame. This page consolidates 6 groups of specifications and GB / EN / ANSI/BIFMA standard references, with metric and imperial units. 1 supplier(s) are listed and you can request a quote online.

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2026-09-06 12:25Popularity: 75
BrandWEIKEModelPU-B3-AL-780
Overall dimensions (W × D × H)1800 × 700 × 880 mmSeat height from floor430 mm
Per-seat usable width580 mmSeat pan depth480 mm
Backrest height above seat600 mmArmrest height above seat290 mm
Armrest width45 mmSupport beam cross-section105 x 105 x 125 mm triangular profile
Leg outrigger span width680 mmFloor glide diameter50 mm
Seat gap between adjacent positions20 mmEnd armrest tube diameter32 mm
Finished Seat Cushion Thickness90 mmBackrest Padding Thickness70 mm
Lumbar Support Zone Height240 mmClear Width Between Armrests540 mm
Static load per seat350 kgTotal unit static load capacity1050 kg
Coating thickness on metal parts70 μmCoating adhesion gradeLevel 1
Floor stability deviation1.0 mmSeat impact durability100000 cycles
Backrest durability cycles100000 cyclesCommercial warranty period8 years
Seat Foam Density / Rebound Reference45 kg/m³ / 65%Back Foam Density Reference38 kg/m³
Seat and back shells25 mm thick self-skinning integral PU foam over 1.8 mm cold-rolled steel insertEnd armrestsDie-cast aluminum alloy with polished silver powder-coated finish
Support legsDie-cast aluminum alloy splayed A-frame, 3 mm wall thickness, powder coatedCentral support beam2.5 mm thick Q195 cold-rolled steel triangular tube, anti-rust treated + powder coated
Seat mounting brackets5 mm thick stamped and welded steel plate, powder coatedFloor glidesNon-marking, non-slip black rubber pads, bolt-adjustable for level
Beam end capsInjection-molded black plastic, impact-resistantInternal seat support ribs4.5 mm thick V-type iron support points under each seat pan
Surface finish70 μm electrostatic powder coating on all metal componentsSeat Internal Support Board Thickness14 mm bent plywood or equivalent support board
Backrest Internal Frame Thickness14 mm bent plywood/composite reinforced frameGas-lift Engineering SpecificationRecommended Class 4; outer tube 50 mm; stroke 100 mm
Seating configurationFixed linear 3-position tandem seating, no recline, fold or rotation functionArmrest layoutCurved support armrests only at both outboard ends, no middle dividers between seats
Floor mounting compatibilityAdjustable rubber glides for level placement on hard flat floors, optional anchor bolts for permanent installationSurface cleaning suitabilityNon-porous PU surface allows wipe-down disinfection without liquid absorption
Seat ergonomicsContoured waterfall seat front edge and angled backrest for upright seated supportModular expansion capabilityBeam structure supports addition of 3extra seat positions or side tables in matching series
Anti-tip stabilitySplayed outrigger leg design distributes load to 4 floor contact points to prevent tippingCorrosion resistancePowder-coated aluminum and steel components resist rust in humid high-traffic environments
Recline Angle / Lock Reference125° with 3suggested lock positionsTilt Tension User-weight RangeReference adjustment coverage 120 kg
Height Adjustment Stroke100 mm continuous travelRotation / Mobility Configuration360° swivel with 5-caster multidirectional movement
Reference Package Count1 set / 2 cartonsReference Assembly Time40 minutes per set
Reference Carton Dimensions850× 420× 720 mmReference Packaged Gross Weight23 kg/set
Reference Carton Volume0.26 m³/setIndicative 20GP Loading135 sets at 85% space utilization
Indicative 40HQ Loading320 sets at 85% space utilizationAirport terminal waiting areasHeavy-duty construction supports high daily turnover for passenger queuing and waiting
Hospital and clinic waiting roomsDisinfectable non-porous surface meets hygiene requirements for healthcare settingsRailway and bus station concoursesStable fixed structure resists heavy use and impact in transit environments
Bank and government service hallsNeat linear configuration provides orderly queuing seating for visitor waitingShopping mall public rest areasLow-maintenance finish requires minimal upkeep in high-foot-traffic commercial spaces
School and campus public lobbiesDurable construction withstands frequent student use without structural damagePermanent indoor public installationFixed glide design allows optional floor anchoring for long-term placement security
Recommended Matching Desk Size2.4 m executive desk——
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PRODUCT MODULE 01 / 06

Physical Dimensions

Automatic mm / inch conversion · Core engineering specifications

Data source: Structured from factory data; final measured values prevail.

Overall dimensions (W × D × H)1800 × 700 × 880 mm
Seat height from floor430 mm
Per-seat usable width580 mm
Seat pan depth480 mm
Backrest height above seat600 mm
Armrest height above seat290 mm
Armrest width45 mm
Support beam cross-section105 x 105 x 125 mm triangular profile
Leg outrigger span width680 mm
Floor glide diameter50 mm
Seat gap between adjacent positions20 mm
End armrest tube diameter32 mm
Finished Seat Cushion Thickness90 mm
Backrest Padding Thickness70 mm
Lumbar Support Zone Height240 mm
Clear Width Between Armrests540 mm
PRODUCT MODULE 02 / 06

Weight, Load & Performance

Net weight / load capacity / users / durability

Data source: Product performance data; verify exact test conditions before procurement.

Static load per seat350 kg
Total unit static load capacity1050 kg
Coating thickness on metal parts70 μm
Coating adhesion gradeLevel 1
Floor stability deviation1.0 mm
Seat impact durability100000 cycles
Backrest durability cycles100000 cycles
Commercial warranty period8 years
Seat Foam Density / Rebound Reference45 kg/m³ / 65%
Back Foam Density Reference38 kg/m³
PRODUCT MODULE 03 / 06

Materials & Structure

Core acceptance fields · Panels / hardware / frame / upholstery

Data source: Subject to the factory material list and inspection report.

Seat and back shells25 mm thick self-skinning integral PU foam over 1.8 mm cold-rolled steel insert
End armrestsDie-cast aluminum alloy with polished silver powder-coated finish
Support legsDie-cast aluminum alloy splayed A-frame, 3 mm wall thickness, powder coated
Central support beam2.5 mm thick Q195 cold-rolled steel triangular tube, anti-rust treated + powder coated
Seat mounting brackets5 mm thick stamped and welded steel plate, powder coated
Floor glidesNon-marking, non-slip black rubber pads, bolt-adjustable for level
Beam end capsInjection-molded black plastic, impact-resistant
Internal seat support ribs4.5 mm thick V-type iron support points under each seat pan
Surface finish70 μm electrostatic powder coating on all metal components
Seat Internal Support Board Thickness14 mm bent plywood or equivalent support board
Backrest Internal Frame Thickness14 mm bent plywood/composite reinforced frame
Gas-lift Engineering SpecificationRecommended Class 4; outer tube 50 mm; stroke 100 mm
PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Seating configurationFixed linear 3-position tandem seating, no recline, fold or rotation function
Armrest layoutCurved support armrests only at both outboard ends, no middle dividers between seats
Floor mounting compatibilityAdjustable rubber glides for level placement on hard flat floors, optional anchor bolts for permanent installation
Surface cleaning suitabilityNon-porous PU surface allows wipe-down disinfection without liquid absorption
Seat ergonomicsContoured waterfall seat front edge and angled backrest for upright seated support
Modular expansion capabilityBeam structure supports addition of 3extra seat positions or side tables in matching series
Anti-tip stabilitySplayed outrigger leg design distributes load to 4 floor contact points to prevent tipping
Corrosion resistancePowder-coated aluminum and steel components resist rust in humid high-traffic environments
Recline Angle / Lock Reference125° with 3suggested lock positions
Tilt Tension User-weight RangeReference adjustment coverage 120 kg
Height Adjustment Stroke100 mm continuous travel
Rotation / Mobility Configuration360° swivel with 5-caster multidirectional movement
PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Data source: Reference for export quotations and container planning.

Reference Package Count1 set / 2 cartons
Reference Assembly Time40 minutes per set
Reference Carton Dimensions850× 420× 720 mm
Reference Packaged Gross Weight23 kg/set
Reference Carton Volume0.26 m³/set
Indicative 20GP Loading135 sets at 85% space utilization
Indicative 40HQ Loading320 sets at 85% space utilization
PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

Data source: Recommended applications based on product form and category.

Airport terminal waiting areasHeavy-duty construction supports high daily turnover for passenger queuing and waiting
Hospital and clinic waiting roomsDisinfectable non-porous surface meets hygiene requirements for healthcare settings
Railway and bus station concoursesStable fixed structure resists heavy use and impact in transit environments
Bank and government service hallsNeat linear configuration provides orderly queuing seating for visitor waiting
Shopping mall public rest areasLow-maintenance finish requires minimal upkeep in high-foot-traffic commercial spaces
School and campus public lobbiesDurable construction withstands frequent student use without structural damage
Permanent indoor public installationFixed glide design allows optional floor anchoring for long-term placement security
Recommended Matching Desk Size2.4 m executive desk
STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

EN 16139:2013Furniture - Strength, durability and safety for non-domestic seating, applicable for public use requirements
EN 1022:2018Furniture - Seating determination of stability, applicable for anti-tip performance testing
EN 13722:2004Furniture - Test methods for surface finishes, applicable for coating wear and adhesion testing
STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.4-2021Lounge and public seating standard, applicable for load and durability validation of commercial units
ANSI/BIFMA X5.1-2017General purpose office chairs, applicable reference for static load and stability test methods
STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 3325-2017Metal furniture general technical requirements, applicable for structural safety and performance testing
GB 18584-2001Indoor decorating and refurbishing materials limit of harmful substances, applicable for emissions testing
GB/T 10357.3-2013Furniture mechanical test methods for chairs and stools, applicable for strength and durability testing
Standardized tender description text
This product must meet the following technical requirements:
1. GB/T 3325-2017: Metal furniture general technical requirements, applicable for structural safety and performance testing;
2. GB 18584-2001: Indoor decorating and refurbishing materials limit of harmful substances, applicable for emissions testing;
3. GB/T 10357.3-2013: Furniture mechanical test methods for chairs and stools, applicable for strength and durability testing;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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Product Description

The 3-Seat Public Beam Waiting Chair with Aluminum End Supports, model PU-B3-AL-780, is a purpose-built fixed tandem seating solution designed for heavy-use public environments. Presented in a clean linear layout, the unit features three connected seats aligned along a single central support beam, with curved armrests positioned only at the two outboard ends and no middle dividers between seats to create an open, orderly visual profile finished in blue with polished silver-toned aluminum end components and protective black end caps.
Its robust construction combines layered, durable materials: self-skinning integral polyurethane seat and back shells formed over cold-rolled steel inserts, with contoured waterfall seat fronts and angled backrests for upright seated support. The splayed A-frame end legs and integrated armrests are made from die-cast aluminum alloy, while the triangular central support beam, mounting brackets, and internal under-seat support ribs are fabricated from treated, powder-coated steel. All metal components carry a uniform electrostatic powder coating, and bolt-adjustable non-marking, non-slip rubber glides sit at each floor contact point to protect flooring and enable level placement, with optional anchor bolts available for permanent fixed installation.
Designed for practical high-traffic use, the non-porous polyurethane surfaces support quick wipe-down disinfection without liquid absorption, and the fixed structure offers no recline, fold, or rotation functions to reduce maintenance needs. The beam-based architecture also supports modular expansion, allowing users to add three additional seat positions or matching series side tables as needed. The chair’s splayed outrigger leg design distributes weight across four floor contact points to deliver reliable anti-tip stability.
This seating solution is well suited for a broad range of commercial and public spaces, including airport terminal waiting areas, hospital and clinic waiting rooms, railway and bus station concourses, bank and government service halls, shopping mall public rest areas, and school campus lobbies. For procurement planning, note that each unit ships across two cartons, requires on-site assembly, and supports flexible installation either as free-standing leveled seating or permanently anchored fixed seating, making it adaptable to both temporary space configurations and long-term public area fit-outs.

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