Title: In-depth analysis of valve inspection technology: the key to ensuring the safety of industrial pipelines.
I. Introduction. In industrial piping systems, valves are a critical component, and their safe operation is critical to the stability and efficiency of the overall system. Therefore, regular valve inspections have become an indispensable part of pipeline management. This article will delve into the technical points of valve inspection and how to ensure the safe operation of valves and piping systems through inspection.
Second, the main content of valve inspection.
1.Material inspection: The material of the valve is the basis for its safe operation, and it is necessary to check whether it meets the design requirements and the conditions of use.
2.Visual inspection: The appearance of the valve body and seals should be free of damage, corrosion or wear.
3.Functional test: the opening error and switch sensitivity of the electric valve need to be tested; Pneumatic valves need to be checked for air leakage or jamming.
4.Leakage inspection: whether there is leakage in the valve body, packing, valve cover and other parts, and whether the tightness of the packing is appropriate.
5.Sealing test: Carry out a pressure sealing test to check whether the flange surface is leaking, and consider the difference between API598 and the national standard in pressure.
6.Bolt inspection: especially whether the bolts of the high-temperature valve are loose.
7.Support position: Check whether the support position of the valve is stable.
8.Insulation inspection: The insulation valve needs to check whether the insulation layer is complete.
9.Installation Direction: Confirm whether the valve is installed in the correct direction.
10.Gate well condition: Regularly check the condition of the valve gate well to ensure that it is not buried or occupied.
11.Road construction inspection: With the development of urban construction, it has become particularly important to inspect the valves on the construction road.
12.Manhole cover inspection: check whether the manhole cover is lost or not matched to prevent accidents.
13.Troubleshooting: Through inspection, obvious faults such as leakage and leakage of valves are found.
Third, the implementation of specific inspections and inspections.
Specific inspections are carried out by professionals and involve the tightness of pipelines and their components, the status of insulation and anti-corrosion layers, the location of pipelines, vibrations, and the condition of supports and hangers. **Inspections are carried out by qualified third parties when the pipeline gap is shut down, including tightness checks, insulation and anti-corrosion layer checks, vibration and position checks, support and hanger checks, etc.
IV. Conclusions. Valve inspection is critical to ensure the safe operation of industrial piping systems. Through the comprehensive inspection of valve materials, appearance, function, leakage and support position, as well as the strict implementation of specific inspection and inspection, the occurrence of failures and accidents can be effectively prevented and the smooth progress of industrial production can be guaranteed.