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LS-829 (10/12)

LAKOS Waterworks

PWC Series Sand Separators

Installation & Operation Manual

LS-829C (Rev. 11/18)

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Summary of Contents for PWC Series

Page 1: ...LS 829 10 12 LAKOS Waterworks PWC Series Sand Separators Installation Operation Manual LS 829C Rev 11 18 ...

Page 2: ... Contents Separator Operation 3 Individual Model Details 4 Flow vs Pressure Loss Chart 4 Installation Instructions 5 Recommended Inlet and Outlet Piping 6 Purging 6 Maintenance Recommendations 7 Troubleshooting Guidelines for Separator Installations 9 ...

Page 3: ...s above and below the recommended range may affect such performance Upon tangential entry the liquid solids are drawn through internal tangential slots and accelerated into the separation chamber where solids heavier than the carrying liquid are centrifugally separated and allowed to accumulate in the unit s collection chamber for eventual purging The liquid free of separable solids is then drawn ...

Page 4: ...40 L PWC 1040 V PWC 1050 L PWC 1050 V PWC 1060 L PWC 1060 V PWC 1080 L PWC 1080 V 0 8 1 6 0 7 3 0 1 3 6 4 2 1 7 8 3 1 5 9 2 5 11 2 4 8 24 3 8 1 29 4 547 495 775 752 1108 1103 1694 1689 889 815 1394 1370 2304 2297 3858 3757 248 224 351 341 502 500 768 766 403 370 632 621 1045 1042 1750 1704 240 540 370 820 550 1200 940 2060 55 123 84 186 125 273 213 468 Models ending with L are low profile V are ve...

Page 5: ...nt is required to flush separated solids from the separator 6 All LAKOS Separators operate within a prescribed flow range pipe size is not a factor in model selection Use appropriate hardware to match the inlet outlet to system piping Connection hardware for the inlet outlet is not included with the separator 7 Inlet pressure to the LAKOS Separator must be at least equal to or greater than the ant...

Page 6: ... that this important function is performed regularly to optimize particle removal performance Timer based motorized ball valve and other techniques are available Consult LAKOS for more details 3 A manual valve should be installed between the purge outlet of the LAKOS Separator and any automatic purge hardware This provides a simple means for maintaining full operation closing the purge outlet and ...

Page 7: ...hat it should run clear before valve begins to close if not re set programming to purge for a longer duration If valve leaks replace necessary parts 2 Hand hole clean out At least annually or when separator is shut down for other system servicing routines open the hand hole clean out and inspect for solids accumulation or unwanted build up in the separator s collection chamber If necessary remove ...

Page 8: ...4 Bar must be created at the separator discharge This may be accomplished via process equipment piping or a valve Unrestricted open discharge to a pit sump etc will result in unacceptable performance Be sure that no source of vacuum suction exists in the piping arrangement If vacuum suction exists i e downward piping after the separator pump suction installation booster pump etc put a valve betwee...

Page 9: ... the purge valve purge line piping It depends on the solids capacity to compact and the time frame it takes to accumulate in the separator Generally solids should not be allowed to accumulate in the separator s collection chamber for long periods of time purging at least daily is recommended when the separator is in operation more often if the solids tend to compact tightly easily Continuous purgi...

Page 10: ... that the barrier filter as it accumulates more solids causes an increasing pressure loss which may cause the flow rate of the system to be reduced sometimes below the recommended flow rate of the separator This situation will often reveal itself when typically separable solids begin to show up regularly on the downstream barrier filter leading to the assumption that the separator is not operating...

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