Pallet Racking Buyer's Guide

Pallet racking is a very common system for handling storage for items on pallets. The pallets are stored in rows and on multiple vertical levels. Warehouse storage on pallet racks efficiently uses otherwise wasted available vertical space and improves overall organization in a warehouse. To decide what kind is best for your needs, read through our pallet rack buyer’s guide.

What Pallet Rack System Is Right for You?

  • Selective Rack
  • Double Deep Rack
  • Drive In & Drive Through Rack
  • Gravity Flow Rack
  • Push Back Rack

Selective Racks

Selective pallet racks are the most common type of pallet storage. A selective rack uses uprights and a pair of cross beams to create a “shelf” for storing a pallet.

You’ll determine the number of levels or shelves per bay based on the height of your pallet and your warehouse ceiling height.

Double Deep Racks

Double-deep racks store one pallet load behind another in a structure that’s twice as deep as a selective rack. Double deep racks double storage, but they limit access and flexibility. For example, to access the rear pallet load, the front pallet position must be empty.

Double handling is necessary unless pallets are stored on a last-in/first-out basis. In most cases, two pallets with the same product are stored in a slot of a double-deep rack. This also limits flexibility and requires a deep-reach lift truck to access loads in the rear position.

Drive-In Racks

Because they’re designed without traditional beams across the bays, drive-in racks allow fork trucks to drive directly into the front of a storage bay, place a load in the designated position then back out. Pallets rest on side rails that run along the inside of the bay, perpendicular to the aisle rather than cross beams, leaving the face of the bay open. The uprights are typically tied together at the top of the upright to add rigidity to the system.

Each bay is typically dedicated to a single product, so drive-in racks are best used for densely storing large quantities of the same product. They work well where an entire bay of product is moved at once, such as in staging product for shipping.

This style of rack is commonly configured to store loads four or more deep, and commonly use 6-8 pallets deep per bay. This helps store even more products ready to be moved. In a “four high and five deep” configuration, a drive-in rack can hold 20 pallet loads in each bay!

The only difference between drive-in and drive-through racks is the location of the entrance. Drive-In Racks have an entrance at only one end, while drive-through racks have entrances on both ends. This changes how fork trucks can organize their loading.

Drive-in racks are organized in a “last-in/first-out” method. The fork truck elevates a load to the proper level and load it in the back of the system first. The second pallet will be placed in the second position from the back and continue until a lane is full. In contrast, drive-through racks typically use a “first-in/first-out” organizational system.

Gravity Flow Rack

Gravity flow racks combine a stationary rack structure with skate wheel or roller conveyor to create a dynamic storage system. Pallets are loaded into the back end of the rack then travel down the slightly inclined lane of conveyor so they can be retrieved from the front of the system.

Flow rack systems provide high-density storage by storing product many pallets deep. Because each layer of flow rack is typically dedicated to a single product, these systems offer less storage flexibility than selective racks but more than drive-in or drive-through racks.

This is a good option for storing dated products because it allows easy rotation of inventory on a first-in/first-out basis. It can be used for picking by the piece, carton or pallet. Carton flow racks that store individual cartons are also available from Yankee Supply.

Push-Back Rack

Push-back racks combine a stationary rack structure with nested carts that move along inclined rails. The first pallet, which is loaded from the front, is placed on top of the cart. When the second pallet is loaded, it pushes back the first pallet, exposing the second cart, and so on.

Usually configured two to five pallets deep, these systems offer dense storage, but less dense than drive-through racks. Like flow racks, push-back racks do not require a lift truck to enter the racking structure or require an entire bay to be dedicated to one product. But unlike flow racks, push-back racks manage inventory on a last-in/first-out basis and requires less space than flow racks because rear access is not necessary.

Now that you have decided what style is right for your product, organizational system, and warehouse operations, browse our selection of pallet racks.

STYLES
OF RACK
BULK STORAGE SELECTIVE DRIVE-IN CANTILEVER
Photo Of A Two-Tier Bulk Storage Guide Distributed By A Pallet Racking Company In Johnson, RI - Yankee Supply Photo Of A Three-Tier Selective Storage Guide Distributed By A Pallet Racking Company In Johnson, RI - Yankee Supply Picture Of A Multi-Tiered Drive-In Racking Guide Distributed By A Pallet Racking Company In Johnson, RI - Yankee Supply Picture Of A Cantilever Racking Guide Produced By A Material Handling Equipment Distributor In Johnson, RI - Yankee Supply
APPLICATION Used to store large, bulky items that
are loaded by hand only.
Store palletized loads and large loads
handled by powered equipment.
Maximum density storage of similar
palletized loads. Minimum access, machine loaded.
Use to store long, flat items such
as sheets, bars, or tubes. Hand or machine loaded.
CONSTRUCTION Welded or bolted upright frames, with
beams that bolt or clip in place.
Welded upright frames, with beams
that bolt or clip into position.
Welded upright frames, with isle ties.
Short arms hold rails supporting pallets.
Upright columns with bolted on base
legs. Arms bolt in place.
CAPACITY
per level
750-1000 lbs.(per level) 2000-10000 lbs.(per level) 2000-6000 lbs.(per pallet) 500-2000 lbs.(per arm)
DIMENSIONS
Width 48″ to 96″ 48″ to 144″ To fit pallet Specified
Depth 18″ to 48″ 24″ to 48″ 2+ pallets 18″ to 48″
Height 5′ to 12′ 8′ to 24′ 2+ pallets 8′ to 16′
FINISH Racks are usually coated with an industrial enamel paint.
ASSEMBLY Uprights are raised to a vertical position and the beams are clipped into place. A safety pin or bolt is then installed to prevent accidental removal of the beam. Shims may be required to level and plumb the rack on uneven floors. Bases are bolted to uprights. The spreaders and arms are bolted into place.
NOTES:

  1. These are general specifications from a variety of manufacturers.
    There may be differences between these descriptions and
    some specific brands. Please call us with any specific questions
    concerning storage racks.
  2. Most heavier racks require anchoring to the floor. Floor
    surfaces such as wood or asphalt may require special floor
    preparation.
  3. Sizes other than those shown above are available for
    special applications.

 

Pallet Rack Brands
Image Of A Ridg-U-Rak Guide Distributed By A Pallet Racking Company Located In Johnson, RI - Yankee Supply Image Of A Speed Racking Guide Distributed By A Pallet Racking Company In Johnson, RI - Yankee Supply Photo Of Sturdi-Bilt Brand Racking Guide From A Pallet Racking Company In Johnson, RI - Yankee Supply
Ridg-U-Rak Speed Sturdi-Bilt
Photo Of Artco Brand Racking Guide From A Pallet Racking Manufacturer In Johnson, RI - Yankee Supply A Gif Of Webb Brand Racking Guides Distributed By A Pallet Racking Equipment Manufacturer In Johnson, RI - Yankee Supply
Artco Webb Buckley Mastorak
Tear Drop Style Unarco Beam in Tear Drop Bolted Connection
D’Altrui Keystone Hi-Line Triple A
Buckley Penco Palmer Shile Paltier

 

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