Stainless Steel Investment Castings are sand blasted to remove grinding / filing marks and other irregularities. This leads to blackening of the castings. Usually these castings are assembled as it is, so the sandblasting is not removed making the ball valve look darkened. Some customers complain that the valves do not APPEAR like stainless steel. To solve this problem the valves are electropolised to give them a shiny look so that they appear like stainless steel.
zinc ball valve,industrial valve,stainless steel valve,trunnion ball valve,etc. |
Product Item: Electric Ball Valve. Material: ASTM A216 WCB. Size: 4 Inch, DN100. Pressure: Class 150 LB, PN20. Design Standard: API 6D. For ...
Come From China Ball Valve Manufacturer Co., Ltd.
Product Item: Ball Valve. Design Standard: API 6D. Body Material: ASTM A182 F316. Nominal Diameter: 4 Inch, DN100. Pressure: Class 150 LB, PN20. Working temperature: -29℃ to +120℃. Face to Face: ASME B16.10. Test and Inspection: API 598.For ...
Come From China Ball Valve Manufacturer Co., Ltd.
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