2" outer thread, and 11"2" inner thread.
Made of white ABS, with gaskets.
The holes in the grille do not exceed 8 mm according to EN 13451-1.
Multiflow System. It consists of the nozzle ball being supplied pre-marked with a series of diameters (14-20 and 25). With the help of a punch you can select one of the diameters at the time of installation.
Maximum recommended flow rate for a maximum pitch rate of 4 m/s, according to EN 13451-1:
14 mm x 2.2 m3/h
20 mm x 4.5 m3/h
25 mm x 7 m3/h
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