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Stainless Steel Stormwater Orifice Plate 250mm X 250mm X 3mm

Original price $146.80 - Original price $146.80
Original price
$146.80 - $146.80
Current price $146.80

Orifice Plate for on site detention system (OSD) 250x250x3mm

In order to control and limit the flow of water discharge to the council system, orifice plates are typically utilised as a component of an on site detention system (OSD). This is crucial, especially during brief, heavy storms, to assist regulate water flow and lessen the likelihood of flooding downstream.


  • Material Grade: 304 Stainless Steel
  • Plate Sizes: 250mm x 250 mm
  • Thickness: 3 mm
  • No. of Anchored Holes: 4 holes (1 in each corner) to anchor into position

These Plates are supplied with pre-cut middle holes and three Middle Hole Sizes to choose from:

  • Middle Hole Size:¬†45 mm
  • Middle Hole Size:¬†65 mm
  • Middle Hole Size: 85¬†mm

All these orifice plates are available to purchase from our Sydney, Australia Stock.

Please browse our grates and channels selection for other sizes.

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Project Autumn Discount: AUT5 5% OFF storewide. The code will be automatically applied at checkouts.