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    Silica Sol Casting

  • Category:
    SILICA SOL CASTING
  • Browse number:
    2751
  • Release time:
    2020-01-03 13:40:10
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Product name

Valve body

Material

Stainless steel 316. other steel grade also available

Process

Silica sol casting

Application

Valve

Surface finish

Shot blasting

Casting Tolerance

ISO 8062 CT6

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Generally, the passageway in valve bodies should be smooth, and considering the medium is corrosive, stainless steel 

valves made by silica sol casting process is the first choice.

How to shape the wax pattern is a crucial step in the production of valve body casting. Due to the bodies’ complex 

cavities or long liner dimension, one-time molding unworkable for the wax pattern. So we usually use two moulds and 

then welding the separate wax patterns together. The method not only ensure the valve body forming one-time, but also 

decrease its cost.

The final step in production is pressure test. Each piece will be inspected to guarantee gas-tight and no leakage before 

delivery.

Silica sol casting belongs to lost wax casting, mainly used for products with high corrosion resistance and precision 

dimensions, since it have much better surface quality and less geometrical deviation of dimensions. The main silica sol 

steel castings we ever made include meat grinder parts, valve castings, pump castings, marine hardware, and furniture 

decoration etc.Usually, Silica sol casting parts tolerance within GB/T6414, CT5~6, weight range from 20 grams to 50 

kilograms, the surface finish is Ra6.3.


silica SOL castings.jpg  lost wax casting.jpg






Related tags: SILICA SOL CASTING

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