The CV‑103B is a cast‑iron ball‑type check valve used to prevent backflow in pipelines carrying water, neutral liquids, or oil, built to ANSI B16.1 Class 125 / BS4504 PN16 flange standards.
C.I Ball Check Valve DN300
R26 653,46
Size: DN300 (300mm)
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Cast iron body (typical for PN16 water/oil valves)
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Ball‑type internal mechanism
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For water systems — potable water, process water, and general distribution lines.
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For neutral liquids — fluids that are non‑corrosive and chemically stable.
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For oil — compatible with hydraulic or lubrication oil circuits where PN16 pressure class is appropriate.
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Backflow prevention — protects pumps, meters, and upstream equipment from reverse flow.
These uses align with typical check‑valve applications in municipal water networks, industrial fluid handling, and low‑pressure oil systems. -






