Gravity pallet lanes
Pallet flow racking uses inclined roller lanes to move pallets from loading side to picking side under controlled speed.
Pallet Racking
Pallet Flow Racking
Gravity-fed pallet lanes for date-sensitive or fast-moving stock with controlled FIFO movement.
Quick Answer
What is Pallet Flow Racking?
Pallet Flow Racking uses inclined roller lanes, brakes and separators so pallets loaded at one face move toward a retrieval face. It suits fast-moving or date-sensitive stock where physical first-in, first-out movement is required. The trade-off is greater mechanical design and pallet-quality sensitivity, so roller type, braking, lane pitch and traffic separation must be confirmed.
Typical applications
Where This System Fits
- Fast-moving or date-sensitive pallets that need physical FIFO movement.
- Projects comparing density, selectivity and rotation discipline.
- Warehouses with pallet profiles that can be checked before layout approval.
- Teams able to align put-away and retrieval rules with the system principle.
- Facilities that need product-specific planning before quotation.
Operating logic
How This Product Works
Review the operating principle, load movement and main configuration checkpoints before comparing a system for the application.
Pallet sample interface
Pallet base quality, loaded weight, runner direction and stop performance must be tested because gravity movement depends on consistent pallet contact.
FIFO pallet movement
Replenishment and retrieval happen at opposite faces, making the system suitable for date-sensitive or fast-moving pallet batches needing first-in flow.
Pallet flow inputs
Confirm pallet footprint, weight range, lane depth, roller type, brake requirement, flow direction, safety stops and fire access.
Technical notes
- Pallet flow lanes use gravity to move pallets from a loading face toward a retrieval face. Brakes, separators and end stops control presentation, so the lane is a mechanical handling system rather than a static rack opening.
- The design should be tested against pallet base condition, weight range, wrapping method and discharge-face traffic. If pallets are inconsistent or the site cannot maintain rollers and brakes, FIFO performance becomes unreliable.
- Stock rotation uses physical FIFO through gravity flow. The rack layout and warehouse procedure must match this rule before product groups are assigned to locations or lanes.
- Handling normally involves forklifts at separate loading and retrieval aisles. Planning should review roller beds, brake rollers, separators, discharge stops and lane testing, plus pallet condition, protection, inspection access and emergency requirements.
- The pallet base, roller pitch, brake behaviour and separator design should be considered together; one unsuitable pallet style can disrupt the whole lane.
- Loading and discharge faces should have separate traffic rules so replenishment does not interfere with picking or dispatch.
- Lane speed control is part of the storage design, especially for heavy or unstable loads where excessive arrival speed at the retrieval face compromises handling.
- Pallet-flow lanes work well when product velocity justifies dedicated lanes rather than occasional storage of unrelated pallets.
- Cleaning, inspection and stuck-pallet procedure should be planned because the lane mechanism is active equipment, not only rack steel.
- If the operation only needs dense LIFO storage, push-back or drive-in is simpler than a gravity FIFO lane.
- Pallet-flow lanes are part of a process line. Replenishment, accumulation, braking, separation, discharge and pick-face release should be reviewed as one movement chain. If pallet bases vary, loads lean or the discharge face is congested, the gravity lane can lose the FIFO behaviour that justified the system.
- A quotation should ask for pallet underside photos, product velocity, expiry control rule, lane dedication plan, brake or separator expectations, cleaning access, stuck-load recovery, dock relationship and whether picking happens directly from the discharge face. These details are specific to gravity-fed storage.
System strengths
Advantages
- Clear access behaviour: pallets travel on roller lanes from input face to output face.
- Defined stock-rotation basis: physical FIFO through gravity flow.
- Handling interface is explicit: forklifts at separate loading and retrieval aisles.
- Helps compare storage density against operating selectivity.
- Creates concrete confirmation points for layout review.
Conditions to check
Limitations and Trade-Offs
- Rollers, brakes, separators and pallet underside quality require careful design.
- Unsuitable when the operation requires inconsistent pallet undersides.
- Project-specific load, fire and building details still need engineering confirmation.
- Damaged pallets, unstable loads or uncontrolled traffic can undermine safe operation.
Configuration brief
Technical specifications available on request
Final specifications for Pallet Flow Racking are confirmed from the actual load, site and operating requirements.
- Pallet footprint, loaded height, weight range and pallet condition.
- Product count, pallet quantity per product and access frequency.
- Required rotation rule: physical FIFO through gravity flow.
- Handling equipment confirmation, including forklifts at separate loading and retrieval aisles.
- Aisle, loading-face, floor, rail, guidance, control or structural interface requirements.
- Rack protection, inspection access and maintenance responsibility.
- Fire protection, emergency access and site-service constraints.
Standards and compliance
Applicable Standards and Project Requirements
RUNDA RACK products are designed, manufactured, supplied and installed in accordance with applicable international standards, project specifications and destination-market requirements. The engineering package aligns the product family, load data, site conditions, fire strategy, equipment interfaces and required documentation.
Review the standards framework →ANSI MH16.1
Design, testing and utilization of industrial storage racks
2023Authoritative source ↗EN 15629
Steel static storage systems — Specification of storage equipment
2008Authoritative source ↗EN 15635
Steel static storage systems — Application and maintenance of storage equipment
2008Authoritative source ↗NFPA 13
Standard for the Installation of Sprinkler Systems
2025Authoritative source ↗Practical comparison
Compare Common Alternatives
- Push Back Racking
- Push back returns pallets to the same face for LIFO; pallet flow moves them to an output face for FIFO.
- Drive-Through Racking
- Drive-through is forklift-based; pallet flow adds roller beds, brakes and separators.
- Pallet Shuttle Racking
- Shuttle uses powered carriers; pallet flow depends on gravity and pallet underside quality.
Configuration inputs
What to Confirm Before Selection
- Pallet footprint, loaded height, weight range and pallet condition.
- Product count, pallet quantity per product and access frequency.
- Required rotation rule: physical FIFO through gravity flow.
- Handling equipment confirmation, including forklifts at separate loading and retrieval aisles.
- Aisle, loading-face, floor, rail, guidance, control or structural interface requirements.
- Rack protection, inspection access and maintenance responsibility.
- Fire protection, emergency access and site-service constraints.
Product questions
Frequently Asked Questions
- How does Pallet Flow Racking support FIFO?
- Pallets are loaded at one face and move by gravity toward the retrieval face, so older pallets should reach the discharge side first when lanes are controlled.
- What stock rotation does Pallet Flow Racking support?
- The intended rotation is physical FIFO through gravity flow. If the operation needs a different movement rule, compare the alternatives before confirming the layout.
- What is the main limitation of Pallet Flow Racking?
- Rollers, brakes, separators and pallet underside quality require careful design. This should be checked against access frequency, product grouping, equipment support and site constraints.
- What must be confirmed before choosing Pallet Flow Racking?
- Confirm pallet condition, load stability, product grouping, access frequency, forklifts at separate loading and retrieval aisles, safety protection, fire requirements and maintenance access.
Planning resources