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Ukuqonda Izibonelelo zokusebenzisa iiValves zebhabhathane ezithathu kwiTheyibhile yezicelo zeShishini Ukuya kuthintela Amabhabhathane amathathu. 3. Iimpawu eziphambili zoyilo lwee-Platterfly Valves eziThathu. Izibonelelo zokusebenzisa i-Platterfly Valves 4.1 kunye nokuphila ixesha elide 4.2