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STFS with connection at rain water cistern

The standpipe filter collector (STFS) for roof areas up to 200 m²

lt is a standpipe and filter collector in one and is an alternative to the filter collector, where this shall not be installed for technical or visual reasons.
 
The advantages of the STFS:
– Laying the cistern inflow below ground, i.e. no second pipe visible.
– Larger collecting space, and thus an even higher efficiency with heavy rain.

STFS Types:

Housing and filter insert of stainless-steel for nominal sizes DN 100, DN 87, DN 80, DN 76, plastic nominal size DN 100 and DN 70.
 
For installation in downpipes of metal or plastic, underground connection to cistern (through the DN 50 outlet).
 
The design principle only works with round down pipes.

 What is what?

    1. Upper housing

    2. Filter insert

    3. Housing

    4. Outlet

STFS