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Over flow area of casting valve body for globe valve

The stop valve has five over-flow areas that need attention. According to the flow direction sequence, they are end channel area, waist drum throat area, valve seat opening area, flow area between valve disc and valve seat when the valve is opened, and flow area of rear waist drum...

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Processing technology of casting valve body for globe valve

The independent valve seat of the globe valve is usually connected by welding. Because the welding rod should go deep into the valve body during welding, the convenience of welding must be considered when designing the valve seat fitting surface. According to the past experience, two structures are recommended...

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Construction standard for cast body of globe valve

According to the current standard API 623-2013 “steel globe valves – Flanged and butt welded ends, bolted bonnet”, bs1873-1975 “steel globe valves and stop check valves with flanged and butt welded ends for petroleum, petrochemical and related industries”, and GB / T In the standard 12235-2007 “steel globe valves...

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Structure design of casting valve body for globe valve

Stop valve is an indispensable fluid control product in modern industry, which plays a role of cutting off and throttling in the pipeline. Stop valve belongs to the category of general valve, which is widely used and widely used. Because its manufacturing process is not very complex, there are...

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Effect of Material on Defects in Cast Valve Body

The drawing shows the shrinkage pore distribution of a series of hydraulic valves made of steel-304 stainless steel with casting temperature of 1700C. It can be seen from the drawing that the maximum porosity is 75.8%. By contrast, when the casting material is nodular cast iron QT500-7, the volume...

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