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BS EN DIN JIS Cast Iron Foot Valve DN150 PN10 Flange for Industrial Stainless Steel Bottom
BS EN DIN JIS Cast Iron Foot Valve：
Production Size:2*-12*
DN50-DN300mm
Pressure range:PN10,PN16
Design Standard: BS
Flange Standard:EN 1092-2
BS4504
Testing Standard:ISO5208
A foot valve is a type of valve installed at the bottom of a pipe or container, with its core function being to prevent backflow of the medium, ensuring one-way flow of liquids or gases in the pipeline. It is a type of check valve and is typically used in critical locations such as pump suction inlets.
Key Functions
Prevent Backflow: When the pump stops, the foot valve automatically closes to prevent liquid from flowing back, avoiding pump dry running and system pressure loss.
Filter Impurities: Some foot valves come with built-in strainers to block large particles in the liquid, protecting pipes and equipment from clogging or wear.
Maintain Static Head: When installed at the suction end, the foot valve helps maintain system static pressure, reducing start-up time and improving efficiency.
Application Scenarios
Pump Systems: Prevents liquid backflow when the pump stops, avoiding dry running.
Automotive Systems: Used in fuel, cooling, or brake systems to ensure one-way flow of liquids.
Chemical/Water Supply & Drainage: Suitable for pipelines requiring frequent maintenance or cleaning, preventing medium backflow.
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