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Valve casting, ductile iron butterfly valve , cast iron ball, 4 cast iron check valve body flange position is prone to air holes, the core reason is t

Don't know the quality of api 600 gate valve, cast iron ball valve , 4 check valve cast iron in your hand? Inspection, smelling, palpation these t

1.The reasons why the dimensional accuracy is difficult to control A utomobile investment casting size is difficult to control, there are mainly these

1. Why are forgings 'stronger'? Forging is like kneading dough, using enormous pressure to shape a metal blank. This process puts the metal inside the

Ever look in your workshop and see cast iron valves covered in grime, oil, or rust? We're talking cast iron gate valves , check valves , and butterfly

Ordinary steel (such as WCB cast steel) in -30 ℃ below will be directly 'frozen brittle', a slight shock like glass crack, and professional low-temper

If the valve has been casting, found that the sealing surface of sand or sand embedded, the first thing to do is to assess the severity of the problem

In recent years, the country has elevated food security to a strategic height, and the development of agricultural mechanisation has gained unpreceden

The casting is slowly heated to a specific temperature range and held for a period of time, followed by slow cooling in the furnace. This process is l

Just formed castings, the internal microstructure is chaotic, the atomic arrangement is disordered, just like the unorganised bookshelf, all kinds of

Walking into the foundry, what meets your eyes is the huge melting furnace. Here, waste metal parts are put into the furnace, experiencing a high temp

With the increasing requirements of energy saving and environmental protection as well as reducing production costs, automobile parts made by casting