14 inch hollow sphere for ball valve 

The hollow sphere is a more simple product than the sleeve ball. It is a ball with two kinds of seamless steel pipe and welded steel pipe through the extrusion stroke of the mold. After the thickness is higher than the pipe sphere, the pressure is the same as the pipe sphere. Used for ball valve interior. After welding, there is no difference between the surface of the product and the ball, and the finish can achieve the mirror effect. The roughness detection range is Ra0.2-0.4 and the size is 1-1/2 '-16'. Smooth surface without defect. Suitable for flange ball valve, welding ball valve and other low pressure ball valve. Ball valves for water and natural gas can be used with this product. This product is suitable for export heating ball valve manufacturers, for most caliber of this product can be welded ball valve. Most exports are to the Russian region. Of course, we can also customize such products according to customers' drawings