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PURAIN PR-200 to PR 400

The PURAIN Rainwater filter, also known as the hydraulic jump filter, is the innovation for roof areas ranging from 60m² to more than 15.000m².
This hydraulic jump technology cleans itself automatically. The design model for PURAIN Rainwater filters comes from nature: At almost every course in a stream, you can see how the hydraulic jump functions. The water flows over one of the stones, smooth and rounded by the action of the water over time. The water flow is substantially changed by the height drop, from a sub-critical to a super- critical flow. At the bottom of the dip, the waterflow changes again to a subcritical flow in a process now commonly known as hydraulic jump. This resulting increase in water power forces any impurities over the next level and washes them away downstream.

Quick Overview

  • PURAIN Rainwater filters for industrial, public or commercial buildings.
  • this series is developed for in tank installation, wall mounting or in a separate chamber
  • for discharge pipes up to DN400

Click here for product detail on the PR200.

Click here for product detail on the PR300.

Click here for product detail on the PR400.

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PR-200 to PR-400

    INTEWA
  • Brand: INTEWA
  • Product Code: PR-200-PR-400
  • Availability: 999
  • CAD$2,835.00


Available Options


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Tags: PURAIN PR-200 to PR 400, INTEWA, Rainwater, Rain Water, Harvesting