Description
Bridge filter drill pipes are generally used together with bridge type pipes in wells where gravelly, sandy, silty levels are found in formations with unbonded lithology, if fine material filling into the well from cracks, cavities and caves of hard formations such as limestone, basalt, tuff is observed, so that the levels from which water can be taken are opposite to the gravelly, sandy levels.
Bridge filter pipes are made into pipes by bending the 2 meter long plate sheets into the appropriate diameter with cylinders after drilling. After the sheet metal is welded with gas welding method, it is added in desired lengths and shipped in 4 or 8 meters lengths.
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