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Det er så enkelt som det lyder. En stopventil er ganske enkelt en ventil der kan bruges til at stoppe flow af væske, således at man kan påfylde mere væske, eller aftappe væske fra en beholder, eller lignende.
Som nævnt bruges stopventiler ganske enkelt til at tilføje, eller stoppe væsker. Det kunne for eksempel være i forbindelse med en reparation. Det ville i dette tilfælde så være muligt at stoppe for eksempelvis vandtilførslen til et område midlertidigt, for at foretage en reparation.
Klik her hvis det er brandhane ventiler du kigger efter
Se evt. også kontraventil, spadeventil og penstocks
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