Gate valve body cracked chip
Thread Content
Discussion on gate valve leakage, the medium is asphalt, 360 degrees, the pressure is 2 kg, a gap appears in the gate valve body during operation, the size is 10, discuss the reason. Personally, I think it is caused by the cracking fracture of the cast iron of the valve body under relatively high temperatures.
This post was last edited by Zhongyuan people at 2021-1-8 13:04 to analyze possible problems.: 1. Poor quality of valves ； 2. Strict quality control in valve manufacturers ； 3. There may be problems with the selection of manufacturers. ； 4. Inadequate manufacturing supervision 5. Improper operation (operating conditions do not match the design conditions and exceed the design conditions) ； 6. Reasons such as overdue service. The specific reasons depend on the actual situation on site.