Fire-fighting booster set
The UNI EN 12845 sets have been designed and built to meet the needs of automatic fixed sprinkler or hydrant fire-fighting systems, in order to detect the presence of a fire, and extinguish it with water during the initial stages, or to control the flames, so that the fire may be extinguished with other means.
Operating range: from 10 to 400 m2/h
Pumped liquid: clean, free of solids and abrasives, non-viscous, nonaggressive, non-crystallised and chemically neutral, with properties similar to water.
Pumped liquid temperature range: from -15 to 70 °C.
Maximum ambient temperature: + 40°C
Maximum operating pressure: 16 bar (1600kPa) PN16
Special executions on request:
Diesel version with water/water heat exchanger.
Electric 230 three-phase 50 or 60 Hz, bronze impeller.
CONSTRUCTION FEATURES OF THE PUMP
KDN range pump with cast iron single stage spiral body in accordance with DIN-EN 733 (formerly DIN 24255); cast iron seal cover and support. Flanges in accordance to DIN 2533 (DIN 2532 for DN 200). Cast iron impeller, closed and dynamically balanced, with compensation of the axial thrust through balancing holes, operation on interchangeable wear rings (on request). Stainless steel pump shaft supported by two permanently lubricated oversized ball bearings, housed inside an appropriate chamber in the support. Standard seal device: standardised mechanical seal according to DIN 24960 in carbon/silicon carbide with EPDM OR rings.