Review our heavy-load pallet flow systems, structural cold-chain racks, and versatile industrial storage matrices fabricated under ISO 9001:2015 and CE certification standards.
CE & ISO
Precision cold-rolled Q235B uprights with adjustable load levels tailored for fast distribution centers and industrial staging.
Galvanized
Modular post-pallet units allowing 4-high free standing stacking. Hot-dip zinc option eliminates fixed foundation footprint.
Cold Chain
Engineered for sub-zero -30°C temperature profiles. Continuous pallet rails maximize cubic refrigerated volume without aisles.
EU Standard
100% direct selectivity for multi-SKU logistic facilities. Fully compliant with EN 15512 safety deflection protocols.
Sheet Metal
Segregated vertical storage for steel plates, composite panels, and sheet molds, preventing plate bowing and handling scratches.
AS/RS Ready
Ultra-tight tolerance upright towers engineered for crane-stackers, mother-baby shuttles, and lights-out automated intralogistics.
Epoxy Finish
Dual-side cold formed box-beams with epoxy electrostatic spray for chemical, automotive spare parts, and manufacturing depots.
SS304 Clean
Sanitary grade SUS304/SUS201 stainless steel racking for clean rooms, meat processing plants, and pharmaceutical storage.
Gravity flow racking (pallet flow) uses inclined wheel beds or rollers driven purely by gravitational potential energy, providing strict First-In, First-Out (FIFO) material movement without electrical grid consumption.
As leading Chinese racking manufacturers, Guangzhou Heda Shelves Co., Ltd. applies strict structural dynamics to eliminate run-away loads, pallet bridging, and impact deformation at discharge faces. By harnessing a regulated incline angle—typically configured between 2.5% and 3.5% (approx. 1.5° to 2.0°)—unit loads weighing up to 1,500 kg per pallet travel smoothly down lanes extending from 2 to 20 pallets deep.
A persistent operational risk in deep gravity flow installations is uncontrolled acceleration resulting in pallet collision or rail derailment. To control kinetic velocity, HEDA incorporates indirect centrifugal speed controller rollers spaced at calculated pallet-pitch intervals (usually every 1 to 2 pallet lengths). These internal centrifugal brake drums automatically modulate rolling speeds to an ergonomic 0.2 m/s to 0.3 m/s, irrespective of whether the pallet weighs 250 kg or 1,500 kg.
| Storage System | Rotation Principle | Aisle Requirement | Energy Reliance | Optimal Use Cases |
|---|---|---|---|---|
| Gravity Pallet Flow | Strict FIFO (100% Guaranteed) | 2 Aisles (Loading & Picking) | Zero (Pure Mechanical Gravity) | Food, Beverage, Pharma, Cold Chains with short shelf life |
| Radio Shuttle System | FIFO or LIFO Selectable | 1 or 2 Aisles | Rechargeable Lithium Batteries | Ultra-deep mass batch storage (20-40 pallets deep) |
| Drive-In Racking | Strict LIFO | 1 Loading/Retrieval Face | Zero (Forklift Enters Rack) | Low-cost bulk seasonal goods; single-SKU manufacturing |
| Push Back Racking | Strict LIFO (Nested Carts) | 1 Single Operating Aisle | Zero (Forklift Pushes Against Incline) | Medium turnover; 2 to 6 pallets deep per lane |
Furthermore, terminal impact at the pick face is mitigated via mechanical pallet separators (brake load separators). When the first pallet comes to rest on the rigid end stop, the separator mechanism disengages behind it, withholding backline pallet hydrostatic line pressure. When a forklift retrieves the lead pallet, the secondary lever trips smoothly, allowing the next consecutive load to glide forward under safety braking. This protects forklift operators, eliminates pallet squeeze, and protects structural upright frames from sudden horizontal punch loads.
Global supply chain disruptions, energy tariffs, and labor costs are reshaping international procurement strategies for heavy-duty storage structures.
Gravity lanes are moving away from manual forklift loading to direct autonomous mobile robot (AMR) docking. Rollers require precision laser-guided lead-in funnels and optical sensors to coordinate unassisted drop-offs.
Skyrocketing electricity costs mean deep-freeze warehouses are adopting passive gravity flow. Roller bearings utilize synthetic low-viscosity ester greases engineered to resist freezing and stalling at -35°C.
Supply chains encounter mixed Euro (1200x800mm), ISO standard (1200x1000mm), and plastic runner skids. Modern tracks deploy continuous multi-roller staggered designs rather than two-rail wheel tracks to prevent bottom-deck hang-ups.
Overseas EPC contractors demand validated finite element analysis (FEA) and dynamic 3D BIM clash-detection files prior to placing steel purchase contracts, eliminating site installation redesigns.
Founded in 2001, Guangzhou Heda Shelves Co., Ltd. controls the complete supply chain lifecycle from raw hot-rolled steel strip processing to export container stowage.
Equipped with high-precision CNC automatic roll-forming lines, automated laser cutting tables, robotic welding cells, and continuous electrostatic powder spray lines.
CE Certificate No. 2435-CPR-8605159 and ISO 9001:2015 registration No. 18624Q00169R0M ensure structural safety, weld penetration, and strict raw material traceability.
Custom modular knock-down engineering maximizes 20GP & 40HQ volume stowage, cutting landed sea freight costs to Lagos, Mombasa, Durban, Santos, and Rotterdam.
Our design department provides free AutoCAD blueprints, 3D renderings, floor slab pressure calculations, and beam load charts within 24 hours of inquiry receipt.
Send us your building layout (DWG or PDF), pallet specs, and turnover throughput. Our senior rack engineers will deliver custom 3D AutoCAD drawings, load-deflection calculations, and landed price estimates within 24 hours.