Company record
National Well Supplies Company, Inc. manufactures and supplies equipment for the groundwater, environmental, construction (drainage foundation) and cathodic‑protection sectors. The firm focuses on PVC, HDPE and stainless‑steel screens, backwash valves and bailers. Its backwash valves incorporate either a plastic or steel ball ranging from 2 in. to 4 in. in diameter; these designs promote natural gravel packing and simplify screen wash‑down procedures. In addition, National Well Supplies produces wire‑wrapped well screens that feature a larger open area, delivering higher hydraulic efficiency and extending well service life. The screens are offered in several configurations, including wrapped‑on‑pipe, undercut Schedule 80 and raised‑rib Schedule
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