Buderus 21 - Floor Brackets for Panel Radiators; Floor Brackets; Flow Setter Valve; Flow Balancing

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Panel Radiator
Design Manual
Panel Radiator Design Manual | 12.2009
Technical specications are subject to change without prior notice
Floor Brackets for panel radiators Table 4
Floor Brackets Part Number
Model numbers: 22 817-BUD
Model numbers: 21 817-BUD-1
Optional covers for brackets 81606400
Flow Setter Valve:
Each radiator is equipped with a ow setter valve
mounted on the same side as the water connections of
the panel radiator. This valve consists of two part integral
components for temperature control and ow balancing.
Flow Balancing:
Flow balancing is done by adjustment of the ring marked
1-7 and N on the ow setter valve, lining the desired
setting up with the dimple in the rst ring. Turning of the
ring adjusts the diameter available for water ow. The N
marking indicates a fully open setting; the 1 marking
indicates nearly full restriction. The diagram on page 13
shows the pressure drop across the radiator as a function
of the ow rate and setting of the ow setter.
Fig. 3 Flow setter valve adjustment
Air Vent and Drain Plug
Each radiator is equipped with a manual air vent (1/2”)
and removable drain plug (3/4”) for draining the radiator.
A at head screw driver is needed to open the air vent.