Belofo ea heke ea thipa e loketse seretse le liphaephe tse mahareng tse nang le fiber, 'me poleiti ea eona ea li-valve e ka khaola lisebelisoa tsa fiber bohareng; e sebelisoa haholo ho tsamaisa slurry ea mashala, makhasi a liminerale le pipeline ea ho etsa pampiri ea slag slurry. Balofo ea heke ea thipa ke e tsoang ho valve ea heke, 'me e na le melemo le mathata a eona a ikhethang.1, Ke sehlahisoa se ratoang sa li-valve bakeng sa liphaephe tse slurry, slurry le pulp. 2. Sebopeho se bonolo, molumo o monyenyane, boima bo bobebe le ho kenya habonolo. Mefokolo ea valve ea heke ea thipa: e ka sebelisoa feela ka phaephe ea khatello e tlase. Balofo ea heke ea thipa e sebelisoa haholo liphaepheng tse seretse, tseo ho ka thoeng ke valve e khethehileng ea liphaephe tsa seretse.