Ast > Rainwater Filter

Rainwater Filter

  • The body material is polyethylene (HDPE).

  • Long-lasting, resistant to chemicals and UV rays.

  • Lightweight, easy to install, and environmentally friendly.

  • Inlet and outlet connection range: DN110–DN250.

  • Equipped with a stainless steel washable inner filter (Mesh 0.38 mm).

  • Standard product height is up to 1000 mm (excluding riser & cover).

  • Above-ground models have an HDPE screw-on cover.

COLLECTION SYSTEM

Rainwater is collected through gutter and drainage systems and directed to filters.

VORTEX FILTER

Separates unwanted solid particles in rainwater. It has two outlets: one directs dirty water from the filter to the sewer system, and the other sends filtered water to the storage tank.

You can download our catalogue here.

STORAGE TANK

One of the essential components where filtered rainwater is stored. Depending on the project design, it can be installed above or below ground.
To ensure the system operates efficiently and lasts long, the tank design should allow gravitational water flow, facilitate the discharge of high-flow water, and prevent the tank from becoming idle when necessary.

INFLOW REGULATOR

Prevents turbulence caused by sediment accumulation over time and supplies oxygen to the water.

OVERFLOW SIPHON

Prevents damage from sudden high-flow water, ensures excess water is discharged, prolongs pump lifespan, and prevents animals or insects from entering the system.

SURFACE SUCTION FILTER

Ensures clean water is drawn from the tank for transfer via pump or booster.

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