High Density
Engineered Storage Solutions
Industrial Pallet Racking & High-Density Storage Lineup
Precision-engineered in Guangzhou, cold-formed from structural Q235B/Q355B steel, and rigorously load-tested in accordance with CE and ISO 9001:2015 global industrial standards.
High Density
Gravity Glide
Heavy Tooling
2000KG Rated
Direct Access
Adjustable Beams
Boltless Quick-Fit
EU Structural Standard
2001
Established Year in Guangzhou
30,000m²
Automated Heavy Industrial Plant
30,000t
Monthly Structural Output Capacity
120+
Export Destination Countries
1. The Structural Physics & Compliance of Push-Through Protection Systems
In high-bay selective pallet racking, drive-in systems, and automated material handling environments, push-through accidents (over-push incidents) present severe occupational safety hazards and financial liability. A push-through occurrence typically happens when a forklift operator inadvertently inserts a unitized pallet beyond the structural rear boundary of the rack frame. In back-to-back rack topologies, this causes the incoming pallet to collide with the pallet stored on the opposing run, risking catastrophic displacement into longitudinal flue spaces. In single-entry rows bordering pedestrian zones or work areas, the consequences of dropped pallets can be fatal.
Global regulatory bodies, including OSHA (Occupational Safety and Health Administration) standard CFR 1910.176(b), European standard EN 15635 (Steel Static Storage Systems - Application and Maintenance of Storage Equipment), and Australian standard AS 4084, mandate unambiguous safety containment protocols. Preventing intrusion into the 3-inch to 6-inch vertical flue space is not merely a structural concern; it is a critical fire safety mandate enforced by the National Fire Protection Association (NFPA 13). Clear longitudinal and transverse flue spaces are essential to allow sprinkler discharge penetration during thermal runaway events. China’s premier manufacturing exporters engineer cold-formed tubular structural stop beams, curved offset safety brackets, and high-tensile wire mesh netting containment to physically inhibit pallet movement past design boundaries without relying solely on forklift operator depth perception.
| Protection Mechanism | Material Specification | Deflection / Load Rating | Primary Application Target |
|---|---|---|---|
| Offset Structural Backstop Beams | Structural Steel Box Beam (50×50 to 80×50mm, 2.0-2.5mm t) | Up to 1,200 kg horizontal impact absorption at 3 km/h | Heavy selective pallet racking, heavy industrial manufacturing |
| Heavy Gauge Welded Wire Mesh Screens | 8-Gauge / 10-Gauge cold-drawn steel wire, 50×50mm aperture | Distributes uniform lateral retention load up to 1,500 kg | Single runs bordering internal thoroughfares and offices |
| High-Tenacity Synthetic Safety Strapping | Industrial woven polypropylene / polyester elastic banding | Energy-absorbing dynamic elasticity; 1,000 - 2,500 daN break rating | High-throughput distribution picking bays, retrofits |
| Raised Pallet Back-Stop Rails | Continuous rolled steel angle / C-channel profile | Direct mechanical stop for timber, plastic, and metal skids | Drive-in, push-back, and radio-shuttle pallet rails |
Seismic-Certified Upright Integration
Exporting to earthquake-prone territories like Indonesia, the Philippines, Japan, and Taiwan requires anchoring safety backstops directly into high-tensile upright punch holes using grade 8.8 structural locking fasteners to prevent frame twisting during seismic oscillations.
Sub-Zero Cold Chain Reliability
In low-temperature refrigerated and blast-freezer warehouses (-25°C to -40°C), traditional polymers embrittle. Our systems deploy specialized low-temperature Q355D structural steels coupled with hot-dip galvanizing to withstand brittle fracture caused by forklift contact.
Automated ASRS Flue Preservation
Within high-speed automated storage and retrieval systems (ASRS), continuous laser-measured clearances depend on millimeter-perfect alignment. Rigid push-through backstops preserve clearance tolerances for automated cranes and shuttle elevators.
Strategic Procurement Forecast
Emerging Procurement & Technological Trends (2025–2030)
Global logistics centers are evolving beyond static safety stops into sensor-enabled, carbon-optimized, modular pallet containment architectures.
Trend 01
Sensor-Equipped Dynamic Stops
Integration of low-power IoT micro-switches and optical proximity sensors directly into the backstop beam, feeding collision telemetry immediately to the warehouse WMS/TMS.
Trend 02
Decarbonized Green Steel
Strict European CBAM regulations are driving international warehouse developers to specify electric arc furnace (EAF) steel with audited low embodied carbon certifications.
Trend 03
Tool-Free Rapid Retrofits
Procurement demands are shifting from welded bracket assemblies to spring-loaded, tool-free locking pins that allow quick reconfiguration during seasonal inventory changes.
Trend 04
Hybrid Dynamic Enclosures
Combining rigid steel impact rails at base pallet height with upper high-elasticity nylon nets to prevent localized packaging spallation while absorbing mechanical over-push forces.
Factory Direct Engineering: Why Global Importers Choose HEDA Shelves
Founded in 2001 and headquartered in Guangzhou, China, Guangzhou Heda Shelves Co., Ltd. has spent over two decades pioneering industrial racking, automated shuttle warehouses, structural mezzanine floors, and push-through safety solutions. Operating from a massive 30,000 square meter automated manufacturing plant with an output exceeding 30,000 tons per month, we offer unmatched production scalability, competitive factory pricing, and rigorous quality assurance.
Unlike third-party traders, every step of our manufacturing workflow—from precision steel uncoiling, automated roll-forming, and high-speed multi-axis column punching to pre-treatment chemical pickling, phosphating, and electrostatic powder baking—is monitored by our on-site team of over 300 experienced engineers and technicians. This ensures strict compliance with CE certification (No. 2435-CPR-8605159), ISO 9001:2015 quality assurance (Certificate No. 18624Q00169R0M), and international RoHS green coating directives.
Free 2D CAD & 3D Modeling (24h)
Send our design office your architectural DWG files and get complete 2D layout drawings, 3D clearance renderings, and seismic load calculations within 24 to 48 hours—free of charge.
Direct Port Cost Optimization
Strategically situated in South China near major Guangzhou, Shenzhen, and Hong Kong container ports, we engineer custom 3D container stuffing plans to minimize ocean freight costs per pallet position.
Comprehensive Mill Documentation
Every export shipment includes verified raw material Q235B/Q355B mill test certificates, ultrasonic weld inspection reports, powder coat micron adhesion tests, and full installation drawings.
Buyer Knowledge Base
Frequently Asked Questions on Push-Through Protection Systems
Technical guidance from our senior structural engineering team to help you navigate international standards and system sizing.
What is the primary technical difference between a push-through stop and a pallet back-stop beam? ▼
A pallet back-stop beam is an offset, horizontal structural beam installed typically 100mm to 150mm behind the rear load beam to halt the bottom timber skid of a pallet if pushed too deeply into the rack. A comprehensive push-through protection system incorporates this mechanical stop alongside high-bay vertical wire mesh barriers or strap curtains. This prevents loose cartons, shifted pallet layers, or unstable stock from toppling into the transverse flue or descending into neighboring personnel aisles.
How do push-through safety accessories maintain NFPA 13 building fire safety compliance? ▼
NFPA 13 mandates clear vertical openings—known as longitudinal flue spaces (between back-to-back rack rows) and transverse flue spaces (between adjacent pallet bays)—of at least 3 inches, and typically 6 inches. If pallets are over-pushed, they encroach upon or bridge this empty chimney space, blocking vertical water spray from ceiling-level fire sprinklers. Rigid offset push-through stops mechanically restrict pallet overhang, guaranteeing the open flue area required by fire inspectors.
Can HEDA's push-through safety solutions be retrofitted onto existing third-party pallet racks? ▼
Yes. Our universal mounting brackets are engineered with multi-pitch slot patterns that align seamlessly with standard teardrop, slotted, hexagonal, and diamond hole profiles common across international racking brands (e.g., Dexion, SSI Schaefer, Interlake, and Stow). For custom frame sections, we engineer bespoke clamp-around brackets that secure the safety system without drilling or compromising structural upright integrity.
What standard finish options protect components in humid, coastal, or cold chain facilities? ▼
Our standard finish is an automated electrostatic thermoset epoxy-polyester powder coating applied over chemically pickled and phosphated steel (60-80 microns thickness) with verified salt-spray resistance. For exterior loading docks, coastal environments across Southeast Asia, or deep-freeze cold storage facilities down to -40°C, we provide hot-dip galvanizing compliant with ISO 1461, yielding an ultra-durable zinc barrier of 60 to 100 microns.
What engineering parameters are required to receive a custom design calculation report? ▼
To provide an accurate 3D CAD schematic and structural quote, our engineering team requires: (1) Warehouse clear height and column grid drawings; (2) Detailed pallet dimensions (Length × Width × Height including product overhang); (3) Maximum unitized load weight per pallet; (4) Forklift truck mast type and lift clearance; and (5) Local seismic zone coefficients or facility fire code mandates.
Consult with Our Warehouse Structural Engineers Today
Send your warehouse floor plan, clear heights, and pallet specifications. Our Guangzhou engineering department will deliver a customized 2D CAD layout, 3D clearance rendering, and competitive direct-factory quotation within 24 hours.
Send an Inquiry