The FIRŠT FMV 131, 132 and 133 are compact brass valves for use in small
and medium sized heating and cooling installations, valves are available in DN 15 – DN 32.
FIRŠT rotary mixing valves are designed for use:
within commercial & domestic heating systems e.g. radiator, underfloor, radiant panel, mixing circuits, plant room, heat pumps, HVAC systems and in solar heating systems...
Three types of connections are available: