Coated sand cast ductile iron valve accessories
Material: GGG40(QT400-18)
Weight: 7.8KG
Quantity: 500 pieces/batch
Process: coated sand shell mold casting, CNC machining center processing, surface shot blasting, non-destructive testing, pressure testing.
Process analysis: The product is a pump valve product, in the production process to ensure that the quality of the blank can not be defective, so each product will do non-destructive testing (PT color flaw detection) in order to ensure the quality of the blank will be CNC processing, for processing this product, we have made a special processing assembly, one is to ensure that the horizontal direction of the two flanges concentric, The second is to ensure the coaxial and parallel of the two holes in the vertical direction. For this reason, we use a four-axis machining center to complete the processing of this part. After processing, each part should be pressure tested to ensure that there is no leakage.
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