Permeable Polacon Manhole "EW Series"

For emergency domestic water and fire prevention tanks! The large capacity for rainwater storage and infiltration is expected to be effective in saving space.

The "EW Series" is the largest series of infiltration Polacon manholes in our rainwater storage and infiltration facilities in terms of processing capacity. Due to its large processing capacity per unit, it provides an equivalent effect to installing multiple other infiltration facilities. It can replace 5 to 30 infiltration Polacon pits with one unit of this product. Including the gravel layer, it has a storage capacity of approximately 25m³ per unit at maximum size, and it demonstrates an infiltration capacity of about 300m³ per hour at maximum size for sand and gravel layers. 【Features】 ■ The largest storage and infiltration volume among our products ■ Ability to consolidate multiple infiltration facilities ■ Can be utilized as emergency water supply and fire-fighting tank ■ Structure resistant to clogging *For more details, please refer to the PDF document or feel free to contact us.

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