阀门通径，型号或规格说明。
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.
对于每一件您所想要订购的阀门，请说明数量，规格型号和尺寸，请在样本里找出各个阀门所在页面，查询规格型号或详细的产品说明。
State quantity, figure number and size for each valve you wish to order. See individual valve catalog pages for specific or special product designations.
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