A selective pallet rack (also called pallet racking or selective racking) is an industrial storage system designed to hold palletized goods. Each storage position is directly accessible by forklift, making it the go-to solution for warehouses handling diverse SKUs with frequent stock rotation.
The system consists of upright frames, horizontal load beams, and safety accessories. Pallets are placed on the beams using forklifts or pallet trucks, with standard configurations supporting loads from 500 kg to 5,000 kg per level.
The most popular type — direct access to every pallet position. Ideal for high-SKU warehouses with fast-moving inventory. Load capacity: 500–5,000 kg/level.
Forklifts drive inside the rack lanes. Maximizes storage density for low-SKU, high-volume products. Operates on LIFO (Last In, First Out) principle.
Pallets loaded from the front, pushed back on inclined rails. Supports 2–6 pallets deep. LIFO operation with gravity-assisted retrieval.
Pallets loaded from the rear, retrieved from the front. FIFO (First In, First Out) — ideal for perishables, food, beverage, and pharmaceutical storage.
Key factors to consider when choosing a pallet rack system:
Long Quyen provides complete pallet rack solutions with free layout design, genuine warranty, and nationwide installation support in Vietnam. Contact us today for the best quote!
Liên hệ tư vấn miễn phí:
The selective pallet rack system remains the most widely deployed storage solution in warehouses worldwide — and for good reason. Its combination of 100% pallet accessibility, design flexibility, cost-effectiveness, and compatibility with standard forklifts makes it the default choice for warehouses managing diverse inventories. This guide covers everything from technical specifications to operational best practices.
The term "selective" refers to the system's defining capability: every pallet position is independently accessible without disturbing adjacent loads. Unlike drive-in or push back systems where accessing an inner pallet requires moving others first, selective racking allows operators to select any pallet in the warehouse directly. This makes it ideal for high-SKU environments, FIFO rotation, and operations requiring rapid order fulfillment.
Upright frames: The vertical backbone of the system. Frames consist of two columns connected by diagonal and horizontal bracing, forming a rigid ladder-like structure. Column thickness typically ranges from 1.8mm to 3.5mm depending on the load design. Standard heights range from 3m to 10m; custom heights up to 15m are possible with engineering approval.
Load beams: The horizontal members that directly support pallet loads. Beams are roll-formed into a channel or box profile and connect to upright columns via clip connectors — no bolts required. Step beams (with a built-in step) provide an additional safety lock-in mechanism. Beam lengths are specified to accommodate 2 or 3 pallets per level with appropriate clearances.
Pallet support bars (wire decks): Optional accessories placed across beams to support non-standard or damaged pallets, prevent small items from falling through, and improve sprinkler water penetration in fire suppression systems. Increasingly required by fire codes in certain countries.
Frame protectors: Steel or polyethylene guards bolted to column bases to absorb minor forklift impacts and prevent costly structural damage. A best practice investment that significantly extends system life.
Single-entry (back-to-back) configuration: Two rows of racking placed back-to-back, sharing the same aisle on both sides. The most space-efficient arrangement for selective racking, maximizing the ratio of storage positions to aisle space.
Double-entry (drive-through aisle): Rows of racking accessible from both sides of the same aisle. Used near loading docks for quick access to frequently moved product.
Wide-span configuration: Extended beam spans for oversized or irregularly shaped loads that don't fit on standard pallet footprints.
| Forklift Type | Minimum Aisle Width | Storage Density |
|---|---|---|
| Counterbalance (IC/electric) | 3.5–4.5m | Lowest |
| Sit-down reach truck | 2.7–3.0m | Medium |
| Narrow aisle truck (VNA) | 1.6–1.8m | Highest |
For a 1000m² warehouse with 8m clear height, using reach trucks (3.0m aisles), storing 1200×1000mm pallets at 1000kg each: approximately 600–700 pallet positions per 100m² floor area are achievable with well-designed selective racking.
All pallet racking requires a structured inspection program. Damage categories per SEMA: Green (monitor), Amber (repair within 4 weeks), Red (unload immediately). Any upright with a deformation exceeding 3mm per 3m height must be assessed by an engineer before continued use.
Long Quyen provides free rack audits for existing systems and new design consultations. Call 0903422179 / 0903412296 / 0903434374 or email contact@giakelongquyen.com.
Liên hệ tư vấn miễn phí:
Selective pallet racking remains the most widely deployed warehouse storage solution globally, and for good reason. Its combination of direct accessibility, scalability, and cost-effectiveness makes it the foundation of modern warehouse operations. This guide explores advanced considerations for optimizing your selective racking investment.
The load ratings printed in rack catalogs require careful interpretation. Beam pair capacity refers to the total uniformly distributed load (UDL) that one pair of beams can support — not the load per beam. Frame capacity indicates the total load that one upright frame assembly can support across all levels. These two figures must both be verified against your actual storage requirements.
A common mistake is specifying only beam pair capacity while overlooking frame capacity. For example: a 4-level rack with 1,500 kg beam pair capacity appears to support 6,000 kg total. However, if the frame capacity is only 15,000 kg and you install frames back-to-back sharing loads, the actual capacity per frame section may be significantly different from your calculations.
Vietnam's geography places certain regions in moderate seismic zones, particularly the northwest and central highland areas. While racking in most of Vietnam does not require full seismic design, facilities in higher-risk zones should specify racking designed to TCXD 375:2006 (Vietnamese seismic standard) or equivalent EN 1998 requirements. Seismic design affects anchor bolt sizing, cross-aisle tie requirements, and sometimes the rack profile itself.
The value of selective racking multiplies significantly when paired with a warehouse management system (WMS). Location addressing — assigning unique alphanumeric codes to every rack position — enables the WMS to direct putaway and picking operations with precision. Standard addressing format: Zone-Row-Bay-Level (e.g., A-03-05-02) gives operators clear, unambiguous location references.
Slot profiling is an advanced WMS feature that continuously analyzes SKU velocity data and recommends repositioning products to optimal rack locations. Fast-moving SKUs belong at ergonomic picking height (800-1,400 mm) nearest to shipping; slow-movers can occupy upper levels or remote bays. Regular slot profiling can reduce picker travel distance by 25-40%.
International standards (EN 15635, SEMA Code of Practice) classify rack damage into three categories requiring different responses. Green classification: minor cosmetic damage — monitor and schedule repair within 4 weeks. Amber classification: structural damage reducing load capacity — reduce load on affected section by 50%, repair within 1 week. Red classification: immediate structural risk — unload section immediately, cordon off, do not use until repaired or replaced.
Long Quyen supplies selective pallet racking certified to EN 15512 standards, with complete technical documentation including load test reports from independent laboratories. Contact us for a free warehouse assessment and racking proposal tailored to your specific requirements.
Liên hệ tư vấn miễn phí:
With over 15 years of experience and thousands of completed warehouse projects across Vietnam, Long Quyen delivers selective pallet rack systems that meet international quality standards including EN15512 and AS4084. Our in-house manufacturing facility produces racks from high-grade cold-rolled steel with electrostatic powder coating for superior corrosion resistance. Every project includes free site survey, structural engineering consultation, and installation by our certified technicians. We back every system with a 24-month structural warranty and responsive after-sales support. Contact Long Quyen today for a free consultation and competitive quotation — we'll design the optimal selective racking solution for your specific warehouse requirements.
Liên hệ tư vấn miễn phí:
Long Quyen's selective pallet rack systems combine international quality standards with competitive pricing, backed by 15+ years of experience serving thousands of warehouses across Vietnam. Contact us today for a free consultation and detailed quotation tailored to your specific warehouse requirements and operational needs.
Liên hệ tư vấn miễn phí:
CÔNG TY TNHH SX & TM LONG QUYỀN