LF - |
没有关闭阀 without shutoff valves |
OSY – |
UL/FM外阀杆和轭架弹性阀座闸阀 UL/FM outside stem and yoke resilient seated gate valves |
*OSY FxG – |
法兰进口闸阀连接和槽状出口闸阀连接 Flanged inlet gate connection and grooved outlet gate connection |
*OSY GxF – |
槽状进口闸阀连接和法兰出口闸阀连接 Grooved inlet gate connection and flanged outlet gate connection |
*OSY GxG – |
槽状进口闸阀连接和槽状出口闸阀连接 Grooved inlet gate connection and grooved outlet gate connection |
CFM – |
立方英尺/分钟,水表 cubic feet per minute meter |
GPM – |
美制加仑/分钟,水表 gallons per minute meter |