直角软管阀 angle hose valve
软管连接阀 hose connection valve
软管球形阀 hose globe valve ; globe hose valve
软管的折角阀 hose angle valve
软管联结阀软管连接阀 hose connection valve
软管-单向阀至通风管 HOSE-CHECK VLV TO VENT PIPE
直角软弱管阀 Angle hose valve
软管角阀 hose with angle valve
软管接头阀 HOSE VALVE
整个热水系统中只有从批量加热热水器引水的软管、连接阀、以及接在止热阀（the Hot Out valve）上用作贯通的三通是新添加的。
The only thing new to your existing system is the hose coming down from the batch heater, the batch connect valve, and the “T” connector at the Hot Out valve to tie it all together.
开启排气针形阀，并从软管排放空气。然后关闭排气阀。
Open vent needle valve and bleed air from hose. Then close vent valve.
从进口球阀下面连接件拆卸安全阀软管。
Remove the relief valve hose from fitting below inlet ball valve.
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