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Over-Under Recirculating Pallet Conveyor System

mk Part Number: SPU 2040 Single

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Product Information for Over-Under Recirculating Pallet Conveyor System

SPU 2040 recirculating pallet conveyor systems are ideal any application where two machines need to be combined. Thanks to impressive accumulating capability, this single-wide version of the SPU 2040 system is ideally suited for use in buffering areas that compensate for different cycle times up and downstream.

The SPU 2040 comes in two different chain widths, which are selected based on the desired pallet size. 


  • Pallet Widths: 160 mm to 500 mm
  • Pallet Lengths: 150 mm to 350 mm
  • Length: 2,000 mm to 10,000 mm
  • Load: Up to 660 lbs.
  • Speed: 15 to 50 fpm; Constant or Variable speed options
  • Voltage: All standard US, Mexico and Canadian voltages
  • Chain: Steel table top chain
  • Accessories: See options tab

Catalogs, Resources & Downloads for Over-Under Recirculating Pallet Conveyor System

Technical Specifications for Over-Under Recirculating Pallet Conveyor System


  • Chain widths of 114 mm and 190 mm 
  • Constructed using our mk 40 series structural profile
    • Two t-slots along each side of the frame
    • UHMW-PE wear surfaces
  • Available in direct drive and bottom mount drive configurations
  • Two different types of idlers
    • With manual tensioning
    • With automatic tensioning; via pneumatic cylidner
  • All conveyor lengths are per customer requirements, from 2 m to 10 m
  • Strong, solid profile frame or ladder frame construction, to prevent frame twist
  • Compatible with all mk 40 series profiles and components and most mk 50 series profiles and components
  • T-slots along the length of the conveyor for ease of mounting stands, side rails, and accessories
  • Large selection of structural hardware and components available 
  • Large selection of conveyor accessories

Product Options for Over-Under Recirculating Pallet Conveyor System

Locating Device

Designed to locate and center the pallet on the conveyor. Includes all of the required components. Can include pallet separation or not. Positioning accuracy of ± 0.2 mm.

Stops and Separating Devices

Pneumatic devices provide for undamped stopping capabilities up to 880 lbs. (depending on application). Stops are mounted below the pallet. Separating devices can be mounted below on at the top of the pallet.

Protective Hood Enclosures

Protective guards at the return prevents unauthorized access OF THE PRODUCT during operation. This hood can be supplied with a pendulum flap, which when triggered stops the entire system. 


Supports are constructed out of mk extruded aluminum and components and can be supplied with protective paneling. Available with leveling pads or on casters for a mobile conveyor option.

Request a Quote

Request a Quote

We're here to assist:
Call us at (860) 769-5500