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* 贴子主题： Q&A: water tank vent pipe size

max123   　　   信息: 威望: 0 来自: 保密　 总发贴数: 1 篇 注册日期: 2005/02/04 消息　查看　搜索　好友　邮件　复制　引用　回复　   http://www.pump-zone.com/pumpchat/showthreaded.php?Cat=&Number=419&page=3&view=collapsed&sb=5&o=&fpart=1 Q: i want to ask about the method of sizing the vent pipes of storage water tank A: You must know the maximum discharge flow from the tank and select an entering/leaving air hole whith very low differential pressure across it, pipe and mesh (if you see an API tank detail you will a "goose neck" for venting). A rule of thumb for API tanks is to do the venting hole one or two pipe size bigger than pump suction (i.e. if pump suction pipe is 8" a 10" "goose neck" should be enough) 　　2005/02/02 00:09am　IP: 已设置保密

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