Technical manual Backflow preventers BA BM - Watts waterbeveiliging
Technical manual Backflow preventers BA BM - Watts waterbeveiliging
Technical manual Backflow preventers BA BM - Watts waterbeveiliging
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Drawing 3. Operation<br />
Intermediate zone<br />
Inlet zone<br />
Outlet zone<br />
1st check valve<br />
2nd check valve<br />
Relief valve<br />
3a. Static condition / no consumption<br />
3b. Pressure, flow<br />
3c. Back siphonage, discharge intermediate zone 3d. Backpressure<br />
W-015-NL-13/10<br />
<strong>Watts</strong> Industries Netherlands B.V.<br />
Kollergang 14, 6961 LZ Eerbeek, The Netherlands<br />
Phone +31 313 673 700 - Fax +31 313 652 073<br />
E-mail info@wattsindustries.nl<br />
www.wattsindustries.com - www.waterprotection.com
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