2PC Ball valve

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Thread valve

Flange valve



Valve Casting Process

Mold Preparation

Based on the valve’s design drawings and dimensions, molds are made to fit the shape of the valve. Sand molds or metal molds are typically used.

Metal Melting

The appropriate metal alloy is melted according to the valve’s material requirements, ensuring that the alloy composition meets the standards.

Metal Pouring

The molten metal alloy is slowly poured into the prepared mold, ensuring that it fills the mold completely and preventing the formation of bubbles.

Cooling and Solidification

After the metal has fully cooled and solidified, the valve is removed from the mold.


The valve’s surface is cleaned of burrs and uneven parts to ensure the valve’s appearance and surface quality.

Machining and Assembly

The valve undergoes further machining and assembly, as needed, to achieve the required precision and functionality.

Inspection and Testing

Rigorous inspection and testing are conducted on the completed valve to ensure its sealing, pressure resistance, and functional reliability.

Surface Treatment

Depending on requirements, the valve may undergo surface treatment, such as coating with anticorrosive layers or plating.

We have thirty years of manufacturing experience

We possess a complete industrial chain, and our process technology is mature.

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If you have any questions, please call:+86 13075786671

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Hi,we are Jiangsu Zhengfeng Valve Co.,LTD from China. I am sales manager Tony. How can I help you?