used throughout the world for water, oil, and gas wells, and is the dominant screen type used in the water well industry
These screens are often the best choice for use in unconsolidated sand and gravelaquifers. They are constructed by winding and attaching a triangular strand ofwire around a set of vertical rods. The triangular design is used with the flatface towards the aquifer and the triangular face towards the pump. This designallows small particles to pass completely through the screen without becoming wedgedin and clogging the screen.
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