
11
Operation and maintenance, Discfilter HPF2200-series PFLC
Figure 3.3 Hydrotech Discfilter in HPF2200 series type 1 (outlet side).
A. Drain valve
B. Bypass valve for nozzle check
C. Manometer
D. Lubrication point
E. Shut off valve for backwash pipe
F. Pressure transmittor - dry running protection for pump
G. Strainer
H. Drive unit
I. Backwash pump
Figure 3.4 Level transmittors located in the pipes marked red.