High platform flange ball valve installation and maintenance considerations1. Leave the valve stem in a rotated position.2. Cannot be used for throttling.3 Ball valves with belt drive should be installed upright.Second, the working principle of the high platform flange ball valve is to make the valv
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High platform flange ball valve installation and maintenance considerations1. Leave the valve stem in a rotated position.2. Cannot be used for throttling.3 Ball valves with belt drive should be installed upright.Second, the working principle of the high platform flange ball valve is to make the valv
