Netafim Arkal 2” Spin-Klin Compact Stand Alone Filter - Control Valve Modes

2” Spin Klin
Modes of the filter’s Control valves
Filtration Mode:
Inlet valve
Water flows from port [A] (main supply) to port [B] (filter connection). Port [C] (drain water outlet) is closed by the
seal.
Outlet valve
Water flows from port [B] (filter outlet) to port [A] (downstream connection). Port [C] (from bypass filter) is closed
by the seal.
Back-flush Mode:
Inlet valve
Command pressure is applied to the diaphragm’s control chamber through port [D]. The diaphragm moves the
sealed shaft, port [A] closes, preventing flow to the filter. Port [C] opens, allowing flushing water to flow from port
[B] (filter connection) to the drain.
Outlet valve
Command pressure is applied to the diaphragm’s control chamber through port [D]. The diaphragm moves the
sealed shaft, port [A] closes, preventing flow to the downstream. Port [C] opens, allowing inlet high pressure water
flowing through the bypass filter to back flush the disc element.
Inlet valve
outlet valve
B
A
B
Filtration mode
C
Backflush mode
C