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Bolted Bonnet Knife Gate Valve
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Design and manufacture: JB/T8691-1998
Structural length: GB/T15188.2-94
Flange connection: GB/T9113.1-2000 JB/T79-94
Testing and inspection: GB/T13927-92
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Tel: +86-577-21817879
Fax: +86-577-21817877
E-mail: sales@chenggao-valve.com