Before you Buy a Sump Tray there are a 2 main options to consider.
- I would suggest that the starting point would be: Type of sump tray material.
The construction material for the sump tray is linked directly to the type of product to be stored.
Sump Trays are normally constructed from Steel, GRP or Polypropylene (PE).
Steel sumps are particularly recommended for highly flammable liquids but they are heavy and prone to corrosion.
GRP is a very strong and stable and is useful if a high degree of chemical resistance is required or space or weight are big considerations.
Polyethylene sumps are ideal for many liquids and offer excellent value for money.
Polyethylene sumps are usually manufactured in two ways: Injection Moulded or Rotational Moulded. Polyethylene sumps are the most popular ranges.
- What size of Sump Tray: The first consideration is clearly the size required for the containers stored.
However: Most regulations, and therefore the industry norm, calculate the volume of the sump required as 110% of the largest container stored or 25% of the aggregate volume of several containers, whichever is the greater.
The sump should be large enough to encompass the primary container and any ancilliary equipment used, such as pump. It should be robust enough to resist normal loadings and daily use.
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