Active flow control without moving parts, only by means of current effect, large diameter free passage. Wet installation, fixing in the upper manhole by means of dowels against a perfectly vertical flat wall before a reservation on the...
Read moreActive flow control without moving parts, only by means of current effect, large diameter free passage. Wet installation, fixing in the upper manhole by means of dowels against a perfectly vertical flat wall before a reservation on the...
Read more