Waterproof Washdown Actuator

Featured Product from TPA Motion

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Waterproof Actuators are necessary where food or pharmaceuticals are manufactured due to the washing and or sterilization of the equipment. But machinery typically doesn't appreciate high-pressure spray or washing with caustic detergent solutions. Designers, as a result, must take added measures to make sure every component on the machine can withstand whatever the cleaning process dishes out.

Do you need a Motorized Linear Guide system capable of withstanding daily washing or survival in high moisture environments?. Our washdown ready system is designed with no exposed drive system. Movement is created by a timing belt pulley drive system concealed within a tubular structure and sealed from the environment. An eight bearing supported carriage capable of moving a five pound load is magnetically coupled to the belt. Strokes can be long and movement quick.

Tubular Stainless Steel Beam (Rail) Support

Toothed belt drive system contained within the beam is isolated from the elements outside.

Rail Dimensions:

  • Rail Cross Section: 1" x 2" (25.4 mm x 50.8 mm)
  • Rail Length: 105" (2667 mm)

Eight Bearing Carriage Assembly:

  • Height = 1.0" (25.4 mm)
  • Width = 2.0" (50.8 mm)
  • Length = 3.15" (80 mm)

Custom OEM Window Wiper System

Many food processing lines use multiple cameras to scan and monitor product quality. These typically are positioned just outside a window to keep them away from direct contact with liquids or sprays used in the processing environment. The window needs frequent cleaning as it gets clouded with solution residue. A windshield wiper system keeps the window clean allowing for 24/7 operation of the production line.

Multiple carriages can mounted and connected in series to allow for large panel wiping.

No Exposed Drive System

Isolating the drive system from the environment allows for easy cleaning and long life.


Treated aluminum and cast iron work well in most washdown situations where washing and sterilization is infrequent. However, stainless steel is best if components are put into service where they see frequent high-pressure washing and sterilization. Stainless steel provides an outstanding combination of high strength, good corrosion resistance, and good mechanical properties at temperatures for food grade applications.

The FDA has regulations regarding the materials used in all machine surfaces that contact food. he specs call for either high-grade stainless or polymer. However, not all stainless steel is created equal. There are many variations offering tradeoffs in corrosion resistance, magnetism, and machinability.

Custom OEM Linear Washdown Products

Made in USA: South Carolina Facility

Size 43 Series

  • Height = 100 mm (3.95 inches)
  • Width = 28 mm (1.10 inches)

Size 28 Series

  • Height = 75 mm (2.95 inches)
  • Width = 17 mm (0.67 inches)

Size 43 Capable of moving up to 1000 lb payload

Travel Range up to 1500 mm (59 inches)