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sewage filter tube

Bridge slot screens have openings arranged in rows and are staggered to reduce the negative effect on the screen's strength. Typically the slots are punched in a flat sheet that is subsequently rolled into a tube and welded.

Advantages offered by this type of screen are:

High strength through resistance to twisting, compressive, and tensile forces
A smooth bore that does not impede the passage of probes, tools, etc.

Applications: Formations with large particle sizes,Large diameter wells.