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GRAF Optimax-Industrial Filter External

This industrial version of the popular Optimax filter comes with many improvements, including a maximum roof area of 16,000 sqft (using 6" connections) or 8000 sqft (using 4" connections) and an extended variable installation depth from 31" - 48". The chamber connections are compatible with bell ends of standard SDR35 piping, available with either a durable green lid capable of person loading, or a cast iron lid capable of vehicle loading. This filter is commonly paired with our Fibreglass Rainwater Collection Tanks in commercial applications. This filter combines convenient low-maintenance technologies with the industries best material and build quality to provide the best external rainwater filter for your next project.

  • Smooth installation depths from 733 - 1,320 mm (28.9-51.9") using the telescopic dome shaft
  • Maximum roof surface of 750 m with connections DN 150 and 1,500 m with DN 200
  • Only 224 mm height offset between the inlet and outlet

 

This industrial version of the popular Optimax filter comes with many improvements, including a maximum roof area of 16,000 sqft (using 6" connections) or 8000 sqft (using 4" connections) and...
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This industrial version of the popular Optimax filter comes with many improvements, including a maximum roof area of 16,000 sqft (using 6" connections) or 8000 sqft (using 4" connections) and an extended variable installation depth from 31" - 48". The chamber connections are compatible with bell ends of standard SDR35 piping, available with either a durable green lid capable of person loading, or a cast iron lid capable of vehicle loading. This filter is commonly paired with our Fibreglass Rainwater Collection Tanks in commercial applications. This filter combines convenient low-maintenance technologies with the industries best material and build quality to provide the best external rainwater filter for your next project.

  • Smooth installation depths from 733 - 1,320 mm (28.9-51.9") using the telescopic dome shaft
  • Maximum roof surface of 750 m with connections DN 150 and 1,500 m with DN 200
  • Only 224 mm height offset between the inlet and outlet