Cast Iron Wafer Type Butterfly Valve

A Cast Iron Wafer Type Butterfly Valve is a valve that uses cast iron as the valve body and is installed in a pipeline through a wafer-type connection. The valve operates by the valve stem driving the disc to rotate inside the valve body, achieving shut-off or flow regulation of the pipeline medium.

Product Specifications of Cast Iron Wafer Type Butterfly Valve

● Nominal Pressure: Common nominal pressures for butterfly valve din cast iron wafer type include PN6, PN10, PN16, etc.

● Applicable Temperature: Generally, cast iron wafer type butterfly valves are suitable for temperatures ranging from -20℃ to 120℃.

● Applicable Medium: Wafer butterfly valve cast iron can be used with freshwater, wastewater, seawater, weak acids and alkalis, air, steam, and other media.

● Valve Body Material: Cast iron wafer butterfly valves are usually made of ductile cast iron, such as QT450-10, with Grade 3 spheroidization, tensile strength of 450 MPa, and elongation above 10%, providing high strength and toughness.

● Nominal Diameter Range: Common sizes include DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200.

Actuation Methods: Include manual, worm gear, pneumatic, electric, hydraulic, etc., allowing users to choose the cast iron wafer type butterfly valve according to specific operating scenarios and requirements.

Features of Cast Iron Wafer Type Butterfly Valve

● Compact Structure and Lightweight: The wafer-type connection eliminates the flanges on the valve body. Compared to flanged butterfly valves, wafer type cast iron butterfly valve is smaller, lighter, and saves installation space and transportation costs.

● Easy Installation: Simply clamp the cast iron wafer butterfly valve between two pipe flanges and fasten with bolts. The installation steps are simple, making it especially suitable for space-limited applications.

● Good Flow Regulation: The disc rotation angle can be precisely controlled (0°–90°), allowing continuous adjustment of flow, suitable for systems requiring medium flow regulation.

● Wide Application Range: Cast iron wafer butterfly valves are widely used in water supply and drainage, HVAC, wastewater treatment, chemical, and power industries for low-pressure, ambient-temperature pipeline systems, functioning as shut-off or regulating devices.

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