Seteishene sa ho Phalla sa WPLG sa ho phunya le ho phunya le ho phunya ke se seng sa mefuta e tloaelehileng ea setei sa phallo, se ka sebelisoang ho lekanya phallo ea metsi/likhase le mouoane nakong ea ts'ebetso ea tlhahiso ea indasteri. Re fana ka li-flowmeter tsa throttle tse nang le li-pressure tapping tsa sekhutlo, li-pressure tapping tsa flange, le li-pressure tapping tsa DD/2 span, ISA 1932 nozzle, nozzle e telele ea molala le lisebelisoa tse ling tse khethehileng tsa throttle (nozzle e chitja ea 1/4, poleiti ea orifice e arohaneng le tse ling).
Letoto lena la throttle Orifice Plate flow meter le ka sebetsa le differential pressure transmitter WP3051DP le flow totalizer WP-L ho fihlella tekanyo le taolo ya phallo.