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MaxiFlow 1800 Crossings

A Single-Piece Design Bridge Culvert for High Water Flow

When you need maximum water flow for serious irrigation applications our MaxiFlow 1800 Crossings are the perfect bridge culvert solution. Our unique patented single-piece design with headwall, arc and base have been transforming farms across Australia for the past 30 years.
Our unique flat-bottomed design is incredibly fast and easy to install, just lay them straight down for effortless leveling. You’ll achieve flow rates of between 40 ML to 80 ML per day, the equivalent to a 1150 mm round pipe.
Our culverts are tough and built to last and won’t allow any silting to occur.
With 2.3m sections, you’ll be able to customise these to just about any length that your farm layout requires. Our team of irrigation specialists are always on hand to help you customise our products and systems so they suit you.


  • Unique Patented One Piece Design 
  • Fast Install
  • 80-120 ML/Day 
  • Customise Length in 2.3m lengths
  • Built tough to Withstand Heavy Farm Machinery
  • Optional up & downstream wings

Padman Automation

Our Automation Products are designed to free up farmers' time so they can achieve a better, and far healthier, work-life balance. Find out how we can help you.