FIELD: engines and pumps.
SUBSTANCE: invention refers to the well strainers applied for prevention of rock particle from getting into a submerged pump. The device contains a supporting pipe with holes, a drainage frame, and a filter element, which consists of a polymer film and abrasion particles on its adhesive side, located on it. The polymer film is performed with perforation holes and reeled in the form of a roll.
EFFECT: labour content for production of a well strainer is reduced.
2 dwg
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