How to avoid unneccessary problem/damage of valves
Source:www.iti.cn
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Author:Alliance
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Published time: 2018-08-21
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1871 Views
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There are ofen unneccessary damage during installation, transportation and adjusting procedure, which can be avoided if you pay attention to certain points as following show.
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Keep the ball valve in a fully open position when transporting and storing the ball valve
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Take protective measures for flanged ends and welded joints
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End protection packaging can only be removed when the valve is installed on site
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Lifting the valve through the lifting lugs on the valve
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Valves should be stored in accordance with the storage procedures required by the technical specifications and avoid long-term storage.
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If long-term storage is required, the valve should be flushed regularly
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Rinse the pipe before installing the valve
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Ensure that there are no test media residues in the pipe and / or valve body
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Avoid salty water remaining in the valve body to prevent corrosion inside the valve
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When the valve is tested online, minimize the time the valve is in the half-open position.
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Standard ball valves are only used for full open/closed control, and adjustment applications (putting the ball valve in a half open state) can damage the seat
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When selecting the O-ring and seat insert material, it is necessary to make sure that the actual working environment of the valve has been fully considered.
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Valves for high pressure gas media should be made of explosion-proof decompression (AED) materials
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Make sure the actuator is selected to match the valve (the actuator is large or small)
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Do not use the actuator to lift the valve
