Description
This system consists in that the nozzle ball is supplied pre-marked with a series of diameters (14-20 and 25). With the help of a punch (also supplied with the nozzle) one of the diameters can be selected at the time of installation.
Max flow Recommended for a maximum step speed of 4 m / sec., according to UNE 13451-1:
Ø 14 = 2.2 m3 / h, Ø20 = 4.5 m3 / h, Ø25 = 7 m3 / h. For external glue Ø 63 mm, PN 6 and internal glue Ø 50 mm. Built in white ABS. Installation with grommets is recommended ref .: 15661-15660. The holes of the grid do not exceed 8 mm according to UNE 13451-1.0
This post is also available in: Spanish
