通用阀门主要有：青铜闸阀、青铜球阀、青铜截止阀、铸铁阀门等。
The universal valve includes bronze gate valve, bronze ball valve, bronze globe valve and cast iron valve etc.
对于其他青铜球阀，可能可以采用通风球-请参阅样本的规格说明，指定所适用的阀门型号或咨询工厂。
For other bronze ball valves, vented balls may be available - see catalog specification sheets to identify what valves are available or consult factory.
安装NIB - SEAL ？保温手柄美国尼伯科青铜球阀是保持保温管道系统完好无损的唯一方法。
NIBCO bronze ball valves installed with NIB-SEAL? Insulated handles are the only approach that keeps your insulated piping system completely intact.
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