 产品分类友情链接 |
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pipeline ball valve
. Spring-loaded seats, reliable sealing. 2. Fire safe construction.3. Trunnion mounted.4. Body Vent and Drain, self-reli
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2024-05-21 |
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cast steel gate valve
Title:Cast steel gate valve Add time:5-29-2012Feature：1. Design of disc: NPS2, usually wedge flexible gate, NPS2 are of
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2024-05-21 |
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