No matter what the Industrial Valves sealing surface, most are easy to be damaged, will appear in the process of switching a wounded, bruised, forcing injury problems. Forged steel ball valves easily under the action of high pressure makes the sealing surface atoms mutual penetration, produce adhesion phenomenon; If the two moves, the cover adhesion pull you tear would happen, especially in the case of seal face rough surface, the higher the easier to happen. If in the process of forging steel ball valve in the closed or bruised crowded injury, resulting in sealing surface wear or indentation. Medium easily when the activity on the sealing surface wear, flushing, the effects of cavitation, known as the 'medium erosion'. Situation tends to cause local damage, so the sealing surface quality must be good processing, in the medium of erosion and chemical erosion under the action of alternating, the sealing face yes there will be a strong erosion. Sealing surface in addition to the damage of natural and artificial damage, artificial damage reasons are: the design and manufacture not jing, material selection and week, undeserved, incorrect installation, use of inappropriate and maintenance is not enough, and so on many factors; So be sure to avoid these situations, to make the ball Industrial Valves when use don't appear any problems, can guarantee the service life of ball valve.
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