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O-type ball valve and V-type ball valve difference 2024-12-06 O-type ball valve and V-typ… 2024-12-06 Effective troubleshooting method after trap failure 2024-11-22 Effective troubleshooting m… 2024-11-22 Harm and protection of abnormal pressure boost in gate valve 2024-11-08 Harm and protection of abno… 2024-11-08 Valve sealing surface grinding is a key step to ensure sealing performance 2024-11-01 Valve sealing surface grind… 2024-11-01 Valve sealing surface material selection factors to consider 2024-10-25 Valve sealing surface mater… 2024-10-25 
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