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Cladding Systems
Manufacturer of a wide range of products which include weld overlay cladding systems.
Weld Overlay Cladding Systems
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Valve weld cladding, also known as valve overlay or valve cladding, is a specific application of weld cladding that involves applying a protective or functional layer of material to the internal surfaces of valves. Valves are critical components used in various industries to control the flow of fluids or gases.
Valve weld cladding serves several purposes, including:
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Corrosion Resistance: Valve components that come into contact with corrosive fluids or environments can be susceptible to corrosion. Weld cladding with corrosion-resistant materials helps protect the valve from degradation and extends its service life.
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Wear Resistance: Valves may experience wear due to the flow of abrasive media or repeated opening and closing actions. Weld cladding can provide a wear-resistant layer on the valve surfaces to mitigate wear and prolong the valve's operational efficiency.
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Erosion Resistance: In applications where the fluid flow carries particles or has high flow velocities, erosion can occur on the valve surfaces. Cladding materials with high erosion resistance can help minimize material loss and maintain the valve's integrity.
The specific materials used for valve weld cladding depend on the application requirements. Common cladding materials for valves include stainless steels, nickel alloys, cobalt alloys, and other corrosion-resistant alloys. The selection of the cladding material takes into account the corrosive nature of the fluid, temperature, pressure, and other environmental factors.
The process of valve weld cladding involves precision welding techniques to deposit the cladding material onto the internal surfaces of the valve. The choice of welding method depends on factors such as the size and geometry of the valve, accessibility, and desired quality. The methods mentioned earlier, such as manual metal arc welding (MMAW), gas metal arc welding (GMAW), flux-cored arc welding (FCAW), or submerged arc welding (SAW), can be used for valve weld cladding.
Valve weld cladding is typically performed by specialized companies or manufacturers with expertise in this field. It requires skilled welders, proper equipment, and stringent quality control measures to ensure the integrity of the cladding and the overall performance of the valve.
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