
Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves
Operation
08/2018
95-03091
Page 21
Valve Closed, Lower Seat Push
(for W72RS Series Only)
Chamber 3 is pressurized, and Chambers 1 and 2 are vented.
See Figure 16. For W72RS Series valves, the lower seat is
pushed down for seat cleaning.
Valve Closed, Lower Seat Lift
(for W71 Series valves only)
The lower seat is lifted for seat cleaning. See Figure 17.
Figure 16 - Lower Seat Push for W72RS
Series
Figure 17 - Lower Seat Lift for W71