BRV Bonetti Rubinetterie Valduggia S.r.l.


Regolare e distribuire energia pulita

ModvFresh Basic

Compact heat exchange unit to deliver fresh domestic hot water (DHW).

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DomvS Clima

Control unit for manifolds of heating and cooling radiant panels up to 200 m2. Fixed point thermostatic mixer or motorized rotary mixing valve. LCD room control unit.

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Modular multi-zone distribution box for wall-mounted gas boilers or heat pumps. Three types of available pump units: direct, mixed motorized, mixed fixed point.

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Multifunctional compact hydraulic module for the management of a direct circuit, a mixed circuit and the production of domestic hot water (DHW)

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°Caleon Thermostat - Wi-Fi

Elegant chrono-thermostat with TFT capacitive touch panel. Wi-Fi N 2.4 Ghz connection for remote control by °Caleon app.

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726 - Basic Series

Anti-scald thermostatic mixing valve for medium and small applications. Compact size. Available Kvs: 1.5, 1.8 and 3.4.

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Mixing kit for ModvFresh Basic

35÷60°C thermostatic mixing kit designed for ModvFresh Basic, with anti-scald thermostatic mixing valve for small applications.

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Full bore 2-way zone ball valve, with bidirectional actuator with quick connection. Dimensions from 1/2" DN15 to 1"1/4 DN32.

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Technical part

Technical part: Flowmeters

Head losses diagram for 641 and 654 articles.

Head losses diagram for 654 GPM articles.

To have the real flow with the use of low temperature glycol solutions, it is necessary to multipy the value indicated by the flowmeter by a corrective factor, that is:
  • 0,9 for concentrations of 20-30%
  • 0,8 for concentrations of 40-50%




The reading of the flow is done at the lower part of the mobile indicator.
The valve can be mounted in horizontal or vertical position with any sense of flow. For an accurate and stable reading please provide a straight pipe with an overal length of at least 5 times the diameter of the pipe.