Fill in the Blanks Strainers, Pumps and ValvesOnline version Learn about strainers, pumps and valves by Callie Riemann 1 screens fill twigs Tank leaves have a fill opening with 16 or 20 mesh size to keep large and from entering tan k 2 Line hose Suction aluminum Strainers are high capacity spraying mounted on inlet side of suction ; has bodies with stainless steel screen of 40 or 50 mes h 3 In particles small Line - Strainers are line to pump ; they keep from reaching pump / nozzl e 4 pluggin Strainers Nozzle are used to prevent nozzle 5 Centrifugal tank low high Pumps have a strainer placed between and boom , uses impeller to move volume at pressures ; is inexpensive ; can pump meltable powder suspensions / abrasive mixture s 6 self pumps Roller low has the strainer placed in intake line between pump and tank ; used on pressure sprayers , positive displacement and - priming . 22 - 300 ps pressure , made of nylon , teflon or rubbe r 7 Diaphragm balance Pumps psi deliver volumes from 3 - 20 gpm and pressures from 10 to 500 ; surge tank used to out pressure of surges ; used instead of piston pump s 8 wettable Piston Pumps high are heavy - duty very reliable and often need surge tank ; large pump up to 800 psi ! can handle powder . excellent choice when pressure is required . 9 Bypass regulators sprayer Pressure are the most important part , controls pressure and quantity of spray material ; must be kept open / unresiste d 10 Valves output open Throttling resist pump based on how / closed value is used with centrifugal pump s 11 stable loaded redirecting bypass Spring valves - work in response to pressure by liquid back to tank to keep pressure . Used with roller , diaphragm , gear , small pison pump s 12 Unloader valves return low reduces unloader overflow work similarly in operation to spring - loaded bypass valves but the main diff . is when spray nozzles are turned off , valve strain on pump by allowing to to tank at pressure ; used on large piston and diaphragm pump s 13 gauge Pressure leaks helps determine if there are clogged nozzles or ; used to messure pressure at the boom / line pressure of spray syste m 14 valves Control nozzle remote levers controls liquid flowing from . can be mechanical ( ) or electrical ( control )
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