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UV sterilizers are used to purify/disinfect water from bacteriological contamination that may exist in water sources, e.g. shallow wells or surface intakes. Disinfection is based on the bactericidal effect of the UV lamps in the sterilizer. The principle of their bactericide action is the absorption of UV light by the DNA structures of microorganisms. Proper selection of UV rays strength and exposure time can kill almost all microorganisms by destroying their DNA.

GFK - gravity backdraft damper to prevent air back draft in the system. Such fan configuration that includes KFK mixing chamber and GFK backdraft damper ensures fan motor overheating protection based on BY-PASS actuation, in particular when the motor is not running due to no power supply. This design enables backdraft damper shutting and hot air distribution to other premises through ventilation ducts when the motor is not running.

Ball valve for circulating pump

FFK – removable G3 metal filter-box for transported air purification. The filter is connected to the fan casing by lock-latches to provide easy removal of the filter for cleaning.

Automaton controlling operation of surface and deep well pumps with power up to 1100 W. It replaces the pressure switch and hydrophore tank. Opening the tap sends a signal to PC-15 automaton which starts the pump. Closing the tap makes PC-15 stop the pump. The automaton can match with one-phase pumps the power consumption of which does not exceed 12A during operation. The device provided with protection against dry run. When the well runs out of water, the devices stops the pump. The device equipped with a 60 cm long cable intended for connection to the pump and 1m long power cable. PC-15 is equipped with 1" diameter ports.

Mating Flange FKV is designed to connected roof fan to a ventilation shaft which is fixed directly to the fan base.Made of galvanized steel.