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China
連絡先担当者 Potti
a.Specification:DN**-DN**0 b.Description: The valve plate is beset with O-ring, which is easy to replacement;there are multiple options of rubber;big-diameter and high-strength rotor axis is ***** valve plate is big, so the circulation area ***** is opening-closing locking ***** product is applicable to the pipelines of petroleum, coal gas, sewage, chemicals and electric power, etc.