300 Series
(1.8m internal diameter):
Treatment Flow: 1.47 – 8.4 l/s
400 Series
(2.6m internal diameter):
Treatment Flow: 8.5 – 16.9 l/s
500 Series
(3.5m internal diameter):
Treatment Flow: 17 – 36.7l/s
600 Series
(4m internal diameter):
Treatment Flow: 36.8 – 48.1 l/s
New build or retrofit SuDS such as:
Designed in accordance with BS EN 13121 / ISO 976. All tank shells carry the SPEL 25 Year Warranty.
Different tank shell specifications are available dependent upon tank invert levels, ground conditions and ground water levels
Lancaster Road
Shrewsbury
Shropshire
SY1 3NQ, UK