Lafferty Catalog 5 • Pump Fed Applicators & Central Chemical Feed Systems

STEP 3: PUMP SYSTEMS STEP 4: PIPING SYSTEMS PUMP FED CENTRAL SYSTEM PLANNING GUIDE Lafferty 6 •CAT.5 • View the Central System Planning Preview video at the following web address: http://www.laffertyequipment.com/tools/pump-fed-central-system-planning/ Video tutorial i FOUR STEPS TO PLANNING A PUMP FED CENTRAL SYSTEM – (Continued from previous page) • The piping system for each chemical solution must be sized to deliver a minimum of 35 PSI solution pressure to each of the applicator units that will be in use at the same time. • Lafferty does not sell or install piping. However, to assist in calculating the correct piping header size, the Lafferty Pump Fed Central System Planning Tool will calculate the optimum chemical solution pipe sizing required, based on the applicators selected and other data you input. • Required Information: • All information required by Steps 1, 2 and 3 • NOTE 1: Compressed air supply lines required by Pump Fed Foamers are not included as part of the Planning Tool or this Planning Guide. • NOTE 2: Rinse water supply piping is not included as part of the Planning Tool or this Planning Guide. RESOURCE INFORMATION: • The Lafferty Pump Fed Central System Planning Tool www.laffertyequipment.com/tools/pump-fed-central-system-planning/ • The Pump Fed Central System Planning Tool Worksheet – page 4 • The pump system for each chemical solution must be sized to accommodate the total flow and solution pressure requirement of the pump fed applicators attached to the Central System and which will be in use at the same time. • For typical food plant installations, the Lafferty Pump Fed Central System Planning Tool online will recommend the appropriate Central Pump System or Mini-Central Pump System based on the applicators selected and other data you input. • Required Information: • The piping distance from the pump system to the furthest applicator • The number of applicators to be in use at the same time (as indicated in Step 1, above) • If a non-Lafferty chemical pumping system is being used, provide the pump solution pressure(s). • For smaller central systems or other special considerations, a Dosatron Injector Panel can serve to both dilute chemical and deliver the RTU chemical solution to pump fed applicators, if water pressure is adequate. Dosatron Injectors are water-driven, non-electrical, proportional dispensing systems. RESOURCE INFORMATION: • Central and Mini-Central Pump Systems – page 24, Catalog 5 (Also online @ www.laffertyequipment.com/products/pump-fed-central- systems/pumps-level-master-systems/ • Dosatron Single Panel – (view online only) - www.laffertyequipment.com/ products/909900-d/ Fax order • 800-699-3719

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