Kiingilio Cha Upande Mmoja

106 visualizzazioni Attrezzature e utensili #15681

Descrizione

This is a *brass check valve* (also called a *non-return valve*). It's used in irrigation and plumbing systems to allow fluid (usually water) to flow in one direction only and prevent backflow. The internal disc moves to open with forward flow and closes when flow reverses

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