UPRIGHT SPRINKLER 1/2 SU K factor 80 - 2011/305/UE (CPR) - UNI EN 12259-1 with water paraboloid distribution, suitable for supplying the water needed when the jet is set upwards against the washer. The acronym of the sprinkler SU and the operating temperature of the glass bulb are indicated on the washer.
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2011/305/UE (CPR) - UNI EN 12259-1