Name: Two-Seat Fixed-Mount Ganged Auditorium Chair with Self-Return Flip-Up Seats
Brand: LINGKEN
SKU: S4741K

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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)	1160 × 750 × 1040 mm
Overall two-seat unit dimensions	1160 x 750 x 1040 mm
Per-seat center distance	580 mm
Seat usable inner width	490 mm
Seat pan depth	460 mm
Seat height from floor to seat surface	450 mm
Armrest height from floor	630 mm
Single armrest width	80 mm
Backrest height above seat surface	590 mm
Minimum row-to-row installation spacing	950 mm
Floor mounting plate width	120 mm
Folded seat protrusion from backrest	220 mm
Finished Seat Cushion Thickness	90 mm
Backrest Padding Thickness	70 mm
Lumbar Support Zone Height	240 mm
Clear Width Between Armrests	540 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.

Per-seat static load capacity	260 kg
Net weight per two-seat unit	28 kg
Seat return mechanism cycle life	50000 cycles
Recommended maximum user weight per seat	120 kg
Backrest static load rating	150 kg
Surface powder coating abrasion resistance	2000 cycles
Seat panel impact resistance	10 J
Seat Foam Density / Rebound Reference	45 kg/m³ / 65%
Back Foam Density Reference	38 kg/m³
Upholstery Thickness / Abrasion Reference	1.4 mm / 50000 cycles

PRODUCT MODULE 03 / 06

Materials & Structure

Core acceptance fields · Panels / hardware / frame / upholstery

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

Support frame	2.2 mm thick cold-rolled steel, black electrostatic powder coating
Seat and back panels	12 mm thick MDF core with tan wood-grain laminate finish
Armrests	Integrated curved steel frame wrapped in black impact-resistant PP coating
Seat return mechanism springs	65Mn heat-treated spring steel with anti-rust electroplating
Noise damping components	Nitrile rubber muffler pads at seat pivot points
Floor mounting flanges	3.0 mm thick steel plates with slotted anchor holes
Seat pivot bushings	Self-lubricating nylon bushings at rotation points
Seat panel inner support	1.5 mm thick steel inner frame under each seat pan
Surface pretreatment	Acid wash and phosphating before powder coating
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

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Seat self-return function	Gravity-spring driven automatic upward flip to vertical position when unoccupied
Floor fixed installation	Permanent anchoring to sloped or flat auditorium floors via flanged base plates
Ganged row alignment	Interconnected shared frame to maintain uniform seat spacing in continuous rows
Seat pivot rotation	90 degree upward rotation range from horizontal seating to vertical stored position
Noise-dampened operation	Rubber pads eliminate metal impact noise during seat return
Under-seat clearance	300 mm open space under folded seats for foot traffic and cleaning
Ergonomic back support	5 degree fixed backward incline for seated comfort during long events
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

PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Data source: Reference for export quotations and container planning.

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

PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

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

Lecture hall installation	Suitable for tiered university lecture halls requiring clear aisle space between rows
Multi-function conference hall use	Appropriate for corporate conference centers hosting regular seated events
Cinema and theater seating	Compatible with small cinema or theater venues requiring rowed fixed seating
Government and institutional auditoriums	Meets public venue durability needs for government assembly halls
School performing arts centers	Suitable for K-12 and college auditoriums hosting performances and assemblies
Training center tiered seating	Applicable for corporate training facilities with sloped floor seating layouts
Recommended Matching Desk Size	2.4 m executive desk
Reference Daily Use Duration	8 hours/day; confirm by ergonomic testing

STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

EN 12727:2016	Applicable for strength, durability and safety requirements for fixed auditorium seating
EN 1022:2018	Applicable for seating stability verification for permanently installed public seats
EN 13722:2004	Applicable for furniture hardware performance requirements for pivot and return mechanisms

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 3324-2017	Applicable for general technical requirements of metal furniture used in public seating
GB/T 10357.3-2013	Applicable for mechanical performance testing of chair and stool seating surfaces and backrests
GB 18584-2001	Applicable for indoor decoration material limit of harmful substances in wooden furniture components
GB/T 191-2008	Applicable for packaging, storage and transportation marking requirements for delivered units

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 3324-2017: Applicable for general technical requirements of metal furniture used in public seating;
2. GB/T 10357.3-2013: Applicable for mechanical performance testing of chair and stool seating surfaces and backrests;
3. GB 18584-2001: Applicable for indoor decoration material limit of harmful substances in wooden furniture components;
4. GB/T 191-2008: Applicable for packaging, storage and transportation marking requirements for delivered units;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The LINGKEN Two-Seat Fixed-Mount Ganged Auditorium Chair, model AUD-2SEAT-FLP-BLK-TAN, is a purpose-built tandem public seating solution designed for high-traffic fixed-installation venues. Delivered as a connected two-seat unit finished in coordinated black and tan tones, it presents a streamlined, uniform profile ideal for continuous row layouts, with integrated curved armrests, contoured backrests, and a clean, low-profile base that maintains visual consistency across large seating sections without disjointed gaps between adjacent seats. Its frame and mounting structure are engineered for long-term heavy use: the primary support frame uses 2.2mm thick cold-rolled steel treated with acid wash and phosphating before application of a black electrostatic powder coating, while 3.0mm thick steel floor flanges with slotted anchor holes enable secure permanent anchoring to both flat and sloped floors. Seats and backrests feature a 12mm MDF core finished with tan wood-grain laminate, supported internally by 1.5mm steel frames under each seat pan. Armrests are formed from curved steel wrapped in black impact-resistant PP coating, while pivot points use self-lubricating nylon bushings, 65Mn heat-treated electroplated anti-rust springs for the seat return mechanism, and nitrile rubber muffler pads to eliminate metal-on-metal impact noise during operation. The seating is upholstered in artificial leather for easy maintenance and long service life. Functionality is tailored to public venue operational needs: each seat rotates 90 degrees upward via a gravity-spring driven self-return mechanism that folds automatically to a vertical position when unoccupied, creating 300mm of open under-seat clearance for foot traffic and routine cleaning. The ganged shared frame maintains consistent, uniform seat spacing across continuous rows, and backrests are set to a fixed 5-degree backward incline to provide ergonomic support during extended seated events. Operation is quiet, with no disruptive clatter as seats return to their stored position. This seating model is suited for a wide range of commercial and institutional spaces, including tiered university lecture halls, corporate multi-function conference centers, small cinema and theater venues, government assembly auditoriums, K-12 and college performing arts centers, and corporate training facilities with sloped tiered seating layouts. For procurement planning, each two-seat unit is packaged across two cartons, with a noted reference assembly time of 40 minutes per set. Load calculations for 20-foot container shipments can use the reference 135 set capacity at 85% space utilization to inform bulk ordering logistics. Selection teams should note the per-seat recommended maximum user weight, as well as the fixed floor-mount design that requires pre-planned anchor point layout prior to installation to ensure proper row alignment and compliance with venue egress requirements.

Two-Seat Fixed-Mount Ganged Auditorium Chair with Self-Return Flip-Up Seats Specifications

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