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Cast-iron lower combustion boiler Viadrus U28 4 segments 22 kW
Cast-iron lower combustion boiler Viadrus U28 4 segments 22 kW
8,020.00zl
6,599.00zl


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Two-way thermal release valve Regulus DBV 299.00zl inc VAT


Opening temperature:
100oC (+0oC -50C)
Max. temperature: 120oC
Max. pressure in the boiler: 4 bar
Max. pressure of the cooling water:

6 bar
(Pressure reduction might be necessary)
Nominal water flow for ∆ p 1 bar: 1,8m3/h:

The process of installation can be carried out only by a qualified person. For the proper functioning of the two-way thermal release valve ( DVB) it is crucial to be in accordance with the conditions of installation and the correct direction of water flow marked on the valve body. The valve is always mounted on the hot water exit pipe or directly on the boiler in its upper part where heated water flows out. During the installation of the DBV valve – on the water flow or in the boiler – make sure that the thermostatic part of the valve is completely dipped in the ¾” aperture. After having mounted the valve in the aperture, connect to the “C” part of it (picture 1) a pipe which will lead the overheated water into the sewer. Into the “A” part of the valve connect the cold water public system which will cool down the boiler in case of the valve operation. It is important to install a filter valve in the pipe leading the cold water, so that it will protect the valve from dirt. To the “B” part of the valve connect a pipe that will be led to the water return near the boiler (picture 2).

The valve can be installed vertically or horizontally. Important is, to direct the hot water exit “C” down to the ground for horizontal montage. The valve cannot be installed with the head down.

 

Anti-pollution non-return valve should be installed on the fresh water connection.
 

Schemat podlaczenia PL
Click to enlarge
DBV_1
Click to enlarge
DBV1_installation
Click to enlarge
This product was added to our catalog on Thursday 11 December, 2008.
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