With steel lined shutoff valve flap designed with non-balanced, straight-through flow path, the shut-off valve operates in a way of fully opening or fully closing. It is always used in pipeline systems of chemical, petroleum, pharmacy, electric power and other industries.
The shut-off valve is very suitable for the cases where corrosion and friction-resistant application and cut-off function are required and is quite popular in pipeline systems of chemical, shipbuilding, medicine industries and food machinery, etc.
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