Different diameter flange, production process: professional forging, forging, plate rolling, plate cutting system. Processing method: high precision CNC lathe turning lathe, precision turning, argon arc welding process of nominal pressure: ch5s, sch10s, sch20s, sch30s, sch40s and other manufacturing standards: there is no standard, not a standard flange has a standard that. All are produced according to customer's construction drawings.
Variable diameter flange, also called Reducing Flange, has a certain difference between its inner diameter and the inner diameter of the standard flange.
Material: 304.316.316L.0Cr18Ni9.321.202,.A3.20#.Q235, 16MN, etc.
Applications: widely used in water conservancy, electric power, power station, pipe fittings, industry, pressure vessel, etc.
Connection: flange nut, bolt, screw
Product process standards and quality control: feed - Physical - chemical - down - hot forging - heat treatment - Inspection - finishing - finished product inspection - Identification - finished product inspection - Identification - packaging typing - delivery.
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