Drawing 3. Operation
Inlet zone
3a. Static condition / no consumption
3c. Back siphonage, discharge intermediate zone
1st check valve
Watts Industries Netherlands B.V.
Kollergang 14, 6961 LZ Eerbeek, The Netherlands
Phone +31 313 673 700 - Fax +31 313 652 073
www.wattsindustries.com - www.waterprotection.com
Intermediate zone
2nd check valve
Relief valve
3b. Pressure, flow
3d. Backpressure
Outlet zone