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Colloidal silica Gate Valve

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  • 通径:DN15~DN50 设计标准:GB/T 12234

  • The design standard of gate valve is according to the requirements of GB/T12234 standard: the structural length is GB/T12221 standard, the flange standard: HG/T20592 standard, the wall thickness standard: GB/T12224: pressure test standard: GB/T26480 standard; The nominal diameter includes DN15-DN50, and the nominal pressure includes 1.6MPa-2.5MPa-4.0MP;

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