Commonly used materials of Aluminum Die-casting Valve Body: A380;  

The precision of the Die Casting Aluminum Valve Body: ±0.01mm;  

Smoothness of surface of rough part: Ra3.2;  

Smoothness after CNC machining: Ra0.8;  

Shrinkage rate of Die-casting Aluminum Valve Body: 0.5%;
 

Material wastage rate: 5%;
 

General Aluminum die casting valve body machining allowance: 0.5mm~0.6mm;  

Surface preparation methods: Sand blasted, Powder coating, Polishing.