35
Effective 11/1/07, Revised 1/1/09, Revised 8/1/09
Unique
PMO
Plus
®
Series Sanitary Mixproof Valve Instruction Manual
Cleaning Procedures
Guide Bearing Cleaning
When the valves are removed for replacement of wetted parts and / or sealing elastomers,
it is important to remove, and hand clean, the three PTFE guide rings (positions 45, 54, 80)
and their seating groves before placing the valves back into service.
See section, Maintenance, Re-Assembly Valve (points 1, 2, 5, 6, 24 and 25)
Unique
PMO
Plus
® -
Upper Seat Lift and Lower Seat Push
Unique
PMO
Plus
®
-
CP
-
Upper Seat Lift
Flow of Cleaning Solution Through Valve Vent Tube (example)
The table below approximates the low of cleaning solution through the valve vent tube
during seat lift functions at 30 PSI CIP pressure.
(viscosity and density comparable to water)
Flow Per Second
Flow Every 2 Seconds
Valve Size
Through Vent Tube
Through Vent Tube
1½"
21 Ounces
42 Ounces (.33 gal.)
2"
31 Ounces
62 Ounces (.48 gal.)
2½"
45 Ounces
90 Ounces (.70 gal.)
3"
45 Ounces
90 Ounces (.70 gal.)
4"
61 Ounces
122 Ounces (.95 gal.)
6"
142 Ounces
284 Ounces (2.22 gal.)
Note: Refer to page 9 "CIP Solution Flows for seat lift" to determine lows for CIP pressures other than 30 PSI
shown above.
Unique
PMO
Plus
®
CP
-
Lower Seat Push
Flow of Cleaning Solution Through Valve Vent Tube/O.D. Balancer (example)
The table below approximates the low of cleaning solution through the valve vent tube and
O.D. cleaning element during lower seat push functions at 30 PSI CIP pressure.
(viscosity and density comparable to water)
Flow Per Second
Flow Every 2 Seconds
Valve Size
Through Vent Tube
Through Vent Tube
1½"
27 Ounces
54 Ounces (.42 gal)
2"
53 Ounces
106 Ounces (.83 gal.)
2½"
69 Ounces
138 Ounces (1.1 gal.)
3"
69 Ounces
138 Ounces (1.1 gal.)
4"
87 Ounces
174 Ounces (1.4 gal.)
6"
162 Ounces
324 Ounces (2.53 gal.)
Note: Refer to page 9 "CIP Solution Flows for seat lift" to determine lows for CIP pressures other than 30 PSI
shown above.
