Very Narrow Aisle Racking System

VNA racking uses three-direction forklifts with much narrower aisles.
Aisle width is about 1600–2000mm, increasing storage space by around 20%.
Guide rails assist forklift movement, and customized designs are available.

Very Narrow Aisle Racking (VNA)

——Make the most of vertical space and unlock storage limits with a slim, tall design.

1. Product Overview

When warehouse rent keeps rising year after year, yet your building height is already 10 meters or more, continuing to use standard selective pallet racking with 3.5-meter aisles is a waste of valuable space.

Very Narrow Aisle (VNA) racking reduces forklift aisle width to about 1.6 to 2.0 meters and forces the forklift to travel precisely along guide rails, leaving much more room for storage.

When paired with a dedicated turret truck, VNA systems can easily reach heights above 15 meters, helping your warehouse gain 40% to 60% more storage capacity without expanding the building footprint.

Key advantages: Maximum space utilization · Extremely high storage density · 100% accessibility


2. Product Parameters and Technical Specifications

Although the main structure of VNA racking is similar to selective pallet racking, its requirements for upright plumbness and floor accuracy are far stricter.

ItemSpecification / DescriptionNotes
Rack TypeVery Narrow Aisle (VNA) rackingMust be used with a dedicated turret truck
Compatible ForkliftGuided / wire-guided / rail-guided turret truckForks can rotate 180°
Aisle Width1600 mm to 2000 mmDepends on forklift model and pallet size
Rack HeightUp to 15,000 mm to 18,000 mmLimited by turret truck lifting height
Load per Pallet500 kg to 2000 kg standard / up to 3000 kg customizedRequires reinforced uprights and beams
Beam Length2300 mm / 2700 mm / 3300 mm commonly usedDetermines 2 to 3 pallets per level
Upright ProfileHeavy-duty 90×70, 100×95, 120×95 mm upright columnsMust resist lateral wind loads at height
Guide Rail SystemFloor-mounted guide rails / top anti-sway railsThe lifeline of the VNA system
Surface FinishElectrostatic powder coating (standard) / hot-dip galvanizing (cold storage)Custom RAL colors available
Safety ComponentsUpright foot guards, back bracing, top bracing, anti-collision barriersMandatory to prevent high-level impact

3. Product Details

3.1 Upright and Plumbness Control

High rigidity upright columns are used to provide strong bending resistance and to reduce sway at heights of 15 meters or more.

During installation, plumbness must be controlled very strictly, usually within H/1000, to ensure accurate turret truck positioning and safe operation.

3.2 Beams and Safety Locking

High-strength P-beams provide low deflection and strong load capacity.

Beam connectors are equipped with safety pins to prevent accidental beam dislodgement caused by vibration during high-level forklift operations.

3.3 Guide Rail System

Floor-mounted guide rails keep the forklift moving in a straight line and help prevent aisle deviation.

Top guide bars and cross bracing further reduce side sway when the turret truck is operating at height.


4. Product Features and Applications

Features: Turning Height into Productivity

VNA racking makes excellent use of vertical space and reduces aisle width to about 50% to 60% of standard pallet racking.

It delivers storage density close to drive-in racking while still keeping 100% selective access to every pallet.

Because storage pressure is moved upward, VNA systems are especially suitable for leased warehouses and locations with expensive land costs.

Turret trucks can work quickly in narrow aisles without turning around, and the system can be combined with RF terminals for digital warehouse management.

Typical Applications

High-bay cold storage: VNA makes full use of refrigerated space and helps reduce the time operators spend inside the freezer.

Electronics and automotive parts: Ideal for warehouses with many SKUs, high-value goods, and a need for 100% access.

Third-party logistics (3PL): A strong choice for warehouses that must store large volumes of customer goods within limited floor space and still maintain high throughput.


Frequently Asked Questions

Very Narrow Aisle (VNA) Pallet Racking Systems are designed to maximize warehouse storage capacity by reducing aisle widths while maintaining direct access to every pallet position. They are widely used in logistics centers, manufacturing facilities, distribution warehouses, and e-commerce fulfillment operations. This FAQ section answers common questions about VNA racking design, storage density, forklift requirements, load capacity, warehouse applications, customization options, and project costs.

A Very Narrow Aisle (VNA) pallet racking system is a high-density warehouse storage solution that reduces aisle widths to maximize storage capacity while maintaining direct access to every pallet.
By minimizing aisle space and increasing rack rows, VNA systems help warehouses store more inventory within the same building footprint.

VNA pallet racking uses specialized forklifts operating within narrow aisles to retrieve and store pallets efficiently.
These forklifts are designed to work safely in restricted aisle widths while providing access to high-level storage locations.

VNA pallet racking increases storage density, improves warehouse space utilization, and allows direct access to every pallet.
Compared with conventional selective racking, VNA systems can significantly increase the number of pallet positions available within the same warehouse.

VNA warehouses commonly use turret trucks, articulated forklifts, and dedicated VNA forklifts.
The choice of equipment depends on aisle width, rack height, pallet dimensions, and warehouse operating requirements.

VNA pallet racking is widely used in logistics centers, manufacturing facilities, retail distribution warehouses, pharmaceutical storage facilities, and e-commerce fulfillment centers.
These industries benefit from increased storage capacity and efficient inventory accessibility.

Yes. VNA systems can be customized according to warehouse dimensions, pallet specifications, load capacities, and operational objectives.
Custom engineering helps maximize storage performance while maintaining operational safety.

Load capacity depends on rack design, beam specifications, pallet size, and engineering calculations.
Industrial VNA systems can be designed to accommodate a wide range of pallet weights while ensuring structural integrity.

Yes. VNA pallet racking is particularly effective in high-bay warehouses because it maximizes both horizontal and vertical storage capacity.
This combination helps businesses achieve higher storage density without sacrificing pallet accessibility.

Both systems provide direct access to every pallet position.
However, VNA racking reduces aisle width significantly, allowing more storage racks to be installed and increasing overall warehouse capacity.

Yes. Many VNA warehouses integrate Warehouse Management Systems (WMS), barcode scanning, RFID technology, and inventory tracking software.
These integrations improve inventory accuracy and operational efficiency.

High-quality VNA pallet racking systems can last more than 15 years with proper maintenance and routine inspections.
Regular safety checks and load management practices help extend service life.

The cost depends on rack height, storage capacity, warehouse layout, forklift requirements, and project complexity.
Most projects require customized engineering and quotations based on specific warehouse storage objectives and operational requirements.

Factory Introduction

  • In-house manufacturing base with advanced production lines and modern cold-forming equipment.
  • Experienced engineering team providing structural design, load calculation, and technical support.
  • Strict quality control from raw material inspection to final product packaging.
  • Full production process coverage, including cutting, punching, welding, surface treatment, and assembly.
  • Ready stock of standard beams and uprights for faster response to urgent orders.
  • Customized manufacturing capability for warehouse racking projects of different sizes and load requirements.
High-Density AS_RS Pallet Racking (4)

Technical Support

Our technical support provides complete assistance from consultation to installation. We help assess warehouse conditions, recommend the right racking solution, prepare CAD drawings, calculate loads, and offer practical engineering advice. Our goal is to ensure safe, efficient, and reliable project execution.

Engineering Expertise

Experienced engineering team supporting structural design, load calculation, and customized rack solutions.

CAD Design Support

CAD layout drawings, 2D/3D design support, and detailed load analysis for each project.

Customized Selection

Professional selection of beam profiles, upright frames, and safety accessories based on warehouse conditions.

Project Review

Strict engineering review for pallet size, load weight, warehouse height, and aisle clearance.

Specialized Solutions

Customized design capability for standard, heavy-duty, and special warehouse environments.

Full Technical Support

Technical support available from initial consultation to final installation.

After-Sales Service

Our after-sales service is designed to give you peace of mind at every stage of the project. We provide prompt support for installation, spare parts supply, technical guidance, and maintenance assistance to ensure your racking system continues to perform safely and efficiently. Our team is committed to fast response, reliable service, and long-term customer support.

Free Consultation

Free consultation and warehouse survey to understand your storage requirements

Fast Quotation

Fast quotation support with clear design proposals and technical recommendations.

Installation Guidance

Installation guidance, drawings, and optional on-site supervision for smooth project execution.

Spare Parts Supply

Long-term spare parts supply, including safety pins, foot guards, and rack accessories.

Maintenance Support

Responsive maintenance support to help solve operational issues quickly.

Project Follow-Up

Customer records and project follow-up for continuous service support.

Our Certificates

Our certificates and compliance documents show our commitment to quality, safety, and reliable manufacturing. We can provide ISO certifications, material reports, load testing records, welding inspection documents, and other quality proofs to support your project review and procurement process.

Need a Custom VNA Racking?

Send us your pallet size, throughput target, warehouse height, SKU count, and temperature conditions. We will provide a custom VNA racking system plan and quotation.