Title: 320- Tilbakeslagsventil.pdf
The backflow preventer is a health protection safety device and therefore requires periodical inspection. WATTS INDUSTRIES France Watts Industries recommends that the CA backflow protection device should be inspected at least once a year. 06, avenue Gustave Eiffel - B.P. 40339 The first indication of malfunction, generally caused by foreign debris (sand, copper or calcium…), is revealed with a 28006 CHARTRES Cedex (France) permanent leak from the drain. Tel. +33 (0)2 37 25 11 00 - Fax +33 (0)2 37 25 11 11 In the case of leakage at the drain, it is recommended to generate a major flow of circulation by opening some taps for a few minutes: this is often sufficient to expel any foreign debris and bring everything back to normal situation. E-mail info@wattsindustries.fr This leak is merely an early warning and definitely does not put the safety of the device at risk, but it requires remo- Site www.wattsindustries.com ving and cleaning the device and the upstream strainer.Ventilens posisjon ved statisk trykk