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Armless Swivel Conference Chair with Wood Shell and Upholstered Pads Specifications

MBW-SWIVEL-620Code:K8BGGXV1

Armless Swivel Conference Chair with Wood Shell and Upholstered Pads (model MBW-SWIVEL-620) is listed under Executive Boss Chair. Dimensions: 620 × 660 × 920 mm. Materials: Curved laminated bentwood with walnut-tone veneer, 12 mm nominal shell thickness. Product Features: Mid-back,armless,swivel,five-star,base,casters,wood,shell,padded,seat,and,back. 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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2026-10-31 16:00Popularity: 1
BrandJIULONGYOUSHENGModelMBW-SWIVEL-620
Overall dimensions (W × D × H)620 × 660 × 920 mmFinished Seat Cushion Thickness90 mm
Backrest Padding Thickness70 mmLumbar Support Zone Height240 mm
Clear Width Between Armrests540 mmNet weight15 kg
Recommended user weight capacity136 kgBack support static test reference136 kg
Seat impact durability reference100000 cyclesCaster rolling durability reference100000 cycles
Gas-lift vertical travel100 mmBack tilt travel12 degrees
Recommended daily occupancy6 hoursColor count2 visible finishes
Seat Foam Density / Rebound Reference45 kg/m³ / 65%Outer seat and back shellCurved laminated bentwood with walnut-tone veneer, 12 mm nominal shell thickness
Seat facingLight beige polyurethane leather over shaped foam, 1.0 mm nominal facing thicknessBack facingLight beige polyurethane leather padding with vertical seam panels
Seat foamMolded polyurethane foam, 60 mm thick and 45 kg/m3 reference densityBack foamMolded polyurethane padding, 50 mm thick and 40 kg/m3 reference density
Internal seat support12 mm bentwood panel bonded to the outer shell and mechanism plateFive-star basePolished or brushed die-cast aluminum-appearing metal base with five spokes
Base spoke wall section25 x 4 mm nominal metal sectionGas liftBlack-and-chrome steel pneumatic cylinder with 50 mm outer tube
Tilt mechanismBlack powder-coated steel plate mechanism with side operating leverCastersFive black nylon twin-wheel casters with 50 mm wheels and metal grip stems
Edge and seam constructionUpholstered pads are bordered by the molded wood shell, with 80 mm reference seam pitch360-degree swivelSeat rotates fully around the central gas-lift axis for conference-room entry and exit
Pneumatic seat-height adjustmentSide lever controls a 100 mm gas-lift stroke, giving a 470 mm maximum seat heightBack tilt operationSynchro-style visible tilt plate provides a 12-degree backward recline with upright working position
Tilt lockSingle lever allows upright lock and release for controlled recline during meetingsMobilityFive twin-wheel casters allow 360-degree rolling on hard floors and low-pile carpet
Integrated side body supportCurved wood side wraps the seat and back without adding protruding armrestsArmless accessNo armrests are present, allowing close approach to tables and compact side access
Upholstered pressure distributionSeparate padded seat and back panels provide cushioning over the rigid curved shellFloor-protection designSoft black twin wheels are specified as a 50 mm non-marking procurement option
Replacement and maintenanceShell-mounted pads and standard 50 mm caster stems allow upholstery and wheel replacementRecline Angle / Lock Reference125° with 3suggested lock positions
Tilt Tension User-weight RangeReference adjustment coverage 120 kgReference Package Count1 set / 2 cartons
Reference Assembly Time40 minutes per setReference Carton Dimensions850× 420× 720 mm
Reference Packaged Gross Weight23 kg/setReference Carton Volume0.26 m³/set
Indicative 20GP Loading135 sets at 85% space utilizationIndicative 40HQ Loading320 sets at 85% space utilization
Conference roomUse around boardroom or meeting tables where armless chairs can tuck close and swivel for discussionExecutive officePlace across from a desk as visitor seating or as a refined mobile task chair
Private home officeSuitable for desks or laptop work in interiors using walnut, beige, black, or polished metal finishesCollaboration areaDeploy in small meeting pods where users need quick repositioning without armrest interference
Hotel meeting suiteSpecify for conference suites and guest business lounges requiring lightweight visual design and easy movementReception consultation settingUse for brief consultations in reception or showroom areas rather than all-day call-center seating
Recommended table heightPair with 760 mm conference or work surfaces based on the 470 mm maximum seat heightFloor compatibilityUse on hard wood, tile, sealed concrete, or low-pile carpet with the specified 50 mm twin casters
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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)620 × 660 × 920 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.

Net weight15 kg
Recommended user weight capacity136 kg
Back support static test reference136 kg
Seat impact durability reference100000 cycles
Caster rolling durability reference100000 cycles
Gas-lift vertical travel100 mm
Back tilt travel12 degrees
Recommended daily occupancy6 hours
Color count2 visible finishes
Seat Foam Density / Rebound Reference45 kg/m³ / 65%
PRODUCT MODULE 03 / 06

Materials & Structure

Core acceptance fields · Panels / hardware / frame / upholstery

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

Outer seat and back shellCurved laminated bentwood with walnut-tone veneer, 12 mm nominal shell thickness
Seat facingLight beige polyurethane leather over shaped foam, 1.0 mm nominal facing thickness
Back facingLight beige polyurethane leather padding with vertical seam panels
Seat foamMolded polyurethane foam, 60 mm thick and 45 kg/m3 reference density
Back foamMolded polyurethane padding, 50 mm thick and 40 kg/m3 reference density
Internal seat support12 mm bentwood panel bonded to the outer shell and mechanism plate
Five-star basePolished or brushed die-cast aluminum-appearing metal base with five spokes
Base spoke wall section25 x 4 mm nominal metal section
Gas liftBlack-and-chrome steel pneumatic cylinder with 50 mm outer tube
Tilt mechanismBlack powder-coated steel plate mechanism with side operating lever
CastersFive black nylon twin-wheel casters with 50 mm wheels and metal grip stems
Edge and seam constructionUpholstered pads are bordered by the molded wood shell, with 80 mm reference seam pitch
PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

360-degree swivelSeat rotates fully around the central gas-lift axis for conference-room entry and exit
Pneumatic seat-height adjustmentSide lever controls a 100 mm gas-lift stroke, giving a 470 mm maximum seat height
Back tilt operationSynchro-style visible tilt plate provides a 12-degree backward recline with upright working position
Tilt lockSingle lever allows upright lock and release for controlled recline during meetings
MobilityFive twin-wheel casters allow 360-degree rolling on hard floors and low-pile carpet
Integrated side body supportCurved wood side wraps the seat and back without adding protruding armrests
Armless accessNo armrests are present, allowing close approach to tables and compact side access
Upholstered pressure distributionSeparate padded seat and back panels provide cushioning over the rigid curved shell
Floor-protection designSoft black twin wheels are specified as a 50 mm non-marking procurement option
Replacement and maintenanceShell-mounted pads and standard 50 mm caster stems allow upholstery and wheel replacement
Recline Angle / Lock Reference125° with 3suggested lock positions
Tilt Tension User-weight RangeReference adjustment coverage 120 kg
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.

Conference roomUse around boardroom or meeting tables where armless chairs can tuck close and swivel for discussion
Executive officePlace across from a desk as visitor seating or as a refined mobile task chair
Private home officeSuitable for desks or laptop work in interiors using walnut, beige, black, or polished metal finishes
Collaboration areaDeploy in small meeting pods where users need quick repositioning without armrest interference
Hotel meeting suiteSpecify for conference suites and guest business lounges requiring lightweight visual design and easy movement
Reception consultation settingUse for brief consultations in reception or showroom areas rather than all-day call-center seating
Recommended table heightPair with 760 mm conference or work surfaces based on the 470 mm maximum seat height
Floor compatibilityUse on hard wood, tile, sealed concrete, or low-pile carpet with the specified 50 mm twin casters
STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

Office furniture safety standardEN 1335applicable to dimensional, safety, and strength requirements for office swivel chairs
Office chair mechanical durabilityEN 1335applicable to safety, static load, fatigue, and caster durability verification
Office chair dimensional ergonomicsEN 1335applicable to seat height, seat depth, clearance, and back dimensional checks
STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

Office chair safety and durabilityRecommended references: ANSI/BIFMA X5.1
Office chair base and caster loadingANSI/BIFMA X5.1 base-load, caster, and chair-cycle tests are relevant to the five-star base and wheels
Low-emission furniture procurementANSI/BIFMA e3 may be specified for multi-attribute sustainability and material-emission criteria
STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

Office-chair safety standardGB/T 28002.1 applicable to safety, stability, durability, and static loading of an office swivel chair
Furniture leather or polyurethane-leather checkGB/T 16799 applicable when specifying furniture-use synthetic leather facing performance
Wood-based panel environmental controlGB 18580 applicable to formaldehyde emission from any engineered wood in the laminated shell
Furniture mechanical test referenceGB/T 10357.3 applicable to chair strength and durability acceptance tests
Standardized tender description text
This product must meet the following technical requirements:
1. Office-chair safety standard: GB/T 28002.1 applicable to safety, stability, durability, and static loading of an office swivel chair;
2. Furniture leather or polyurethane-leather check: GB/T 16799 applicable when specifying furniture-use synthetic leather facing performance;
3. Wood-based panel environmental control: GB 18580 applicable to formaldehyde emission from any engineered wood in the laminated shell;
4. Furniture mechanical test reference: GB/T 10357.3 applicable to chair strength and durability acceptance tests;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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Product Description

The Armless Swivel Conference Chair with Wood Shell and Upholstered Pads, model MBW-SWIVEL-620, presents a refined mid-back silhouette defined by a continuous curved bentwood shell in a walnut-tone veneer. Light beige polyurethane-leather seat and back pads soften the wood form, with vertical seam panels on the backrest adding tailored visual structure. The armless profile keeps the design open and compact, while curved side contours provide integrated body support without protruding armrests. A polished or brushed five-star base in a die-cast aluminum appearance supports the chair beneath the seat, paired with a black-and-chrome gas lift and visible tilt hardware. Overall dimensions are 620 by 660 by 920 millimeters, with a clear width between armrest positions of 540 millimeters. Construction combines a laminated bentwood outer shell, a bonded internal bentwood seat panel, steel lifting and tilt components, foam cushioning, and upholstered facings. The shell has a nominal thickness of 12 millimeters, and the base spokes use a nominal 25 by 4 millimeter metal wall section. The seat uses molded polyurethane foam 60 millimeters thick with a 45 kg/m3 reference density, topped by 1.0 millimeter nominal light beige polyurethane leather. Total finished cushion thickness is 90 millimeters. The back uses molded polyurethane padding 50 millimeters thick with a 40 kg/m3 reference density, producing 70 millimeters of finished back padding and a 240 millimeter lumbar support zone. Functionally, the chair swivels 360 degrees for easy entry, exit, and conversation in meeting settings. A side lever controls the 100 millimeter gas-lift stroke, providing a maximum seat height of 470 millimeters. The synchro-style visible tilt plate enables a 12-degree backward recline and an upright working position, with a single lever for locking upright or releasing controlled movement. Five nylon twin-wheel casters provide multidirectional rolling on hard floors and low-pile carpet. The chair has a net weight of 15 kilograms and a recommended user weight capacity of 136 kilograms; reference durability figures include 100,000 cycles for seat impact and caster rolling. This chair is well suited to boardrooms, meeting tables, executive offices, private home offices, collaboration pods, hotel meeting suites, and reception or showroom consultation areas. Its armless form allows users to tuck close to tables and move in compact layouts. It is intended for meeting and consultation use rather than continuous call-center seating. Procurement teams should note that this unbranded model ships as one set in two cartons, with packaged gross weight of 23 kilograms and a reference carton volume of 0.26 cubic meters per set. Indicative loading is 135 sets in a 20GP container at 85 percent space utilization, and assembly time is referenced at 40 minutes per set. Finish coordination is straightforward in interiors using walnut, beige, black, or polished metal tones.

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