Box Gutter Sump Overflow

Overflows in box gutter this has become a big issue in the past 18 months particularly in victoria and is outlined in a new section in the current update to the ncc.

Box gutter sump overflow.

Making the box gutter wider will also reduce the box gutter depth. Eshopps is the leading manufacturer company that specializes in aquarium filtration in the salt water industry. A a rainhead b a sump with a side overflow device. The total flow is used to size the sump and overflow.

Overflow devices consider whether the discharge of the box gutter is to. All of the above options provide overflow provision to the box gutter. However a wider overflow may increase the length of the sump. All domestic box gutters must be a minimum of 200mm wide and 75mm deep.

Or c a sump with a high capacity overflow device. The hydraulic capacity of these overflow devices must not be less than the design flow for the associated gutter outlet and must discharge to atmosphere. Rainhead overflow or specific box gutter overflow must be at least 30mm below the height of the back of the box gutter. It is not necessary to use all quadrants or use vertical faces.

A wider overflow needs less depth of overflow hence the box gutter depth will also be reduced. The box gutter depth and the sump length are influenced by the size of the overflow. This effectively states that all box gutters must allow for 30mm of freeboard which is from the overflow point eg. Our brand is best known for manufacturing high quality line of acrylic sumps like wet dry filters reef sumps refugiums and protein skimmers.