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automatic drain valve 自动放泄阀
Why didn't you fit a drain valve on this tank? 这个箱柜居然没有安装泄放阀。
Leave the drain valve of the holding tank opened. 让贮槽的排水阀打开。
Shut off supply pressure and drain valve. 关闭供应压力和排泄阀门。
Close the drain valve and refill the tank, and restore power. 关闭排污阀，重新向内胆注水，重新恢复电源。
Open the water heater drain valve and the nearest hot water faucet. 打开热水器排污阀和附近的热水水龙头。
Connect a hose to the drain valve and terminate it to an adequate drain. 用一条软管将排污阀连接到适当的排污口处。
Locate the heater so that panels and drain valves are accessible. 放置热水器时,要使得热水器的面板和排水阀朝向容易操作的方向。
Remove the four front panel screws; two at the top flange. Check drain valve to make sure that it is closed. 把四个前面板螺丝和两个顶部法兰上的螺丝卸下来。检验排水阀,确保排水阀处于关闭状态。
CORPORATION has a 2-year warranty on replaceable parts-Burner, controls, dip tube, drain valve. 公司对于下列可更换配件:燃烧器,控制器,内浸管,排水阀等可更换配件提供2年有限质量保证。
Each pedestal heating equipments want to install each drain valve,in order to prevent affecting each other. 每台加热设备要各自安装疏水阀，以免互相影响。
Novel,special and energy saving of Q/ HF7-1995 homoiothermal drain valve assembly. 新颖独特节能的Q/HF7-1995恒温疏水阀及阀组；
Open the water heater drain valve and allow all the water to drain from the tank. Flush the tank with water as needed to remove sediment. 打开热水器排污阀,排泄内胆内的所有水。如果需要,用水冲洗内胆,清除沉淀物。
NOTE : Open the drain valve at least once every month or more often during boiler operation to flush out sediment from the float chamber. 注：每个月至少打开排水阀一次，在锅炉使用期间甚至可以更多次，从浮子腔内冲刷出沉淀物。
The ball float automatic drainer and water cooling radiator shall be cleaned once a month with neutral detergent. 每月需用中性洗涤剂，清洗浮球式自动排水器和水冷式散热器一次。
Body has handhole (or manhole) for easy wash and examination, And bottle valve set up inlet/outlet valve,safety valve, pressure gauge and pressure gauge valve, drain valve etc. 筒体上设有手孔（或人孔），以便清理、检修。瓶头阀上设有进气阀、出气阀，安全阀、压力表和压力表阀、泄放阀等。
The calculation formulas for drain valve and vent valve in long drainpipe are approached, and the valve diameters are calculated being compared with the result in some literature. 探讨了热水管网放水阀、放气阀直径的计算公式,计算了长放水管放水阀直径,并与文献中短放水管放水阀直径进行了比较。
Pay Special attention whether the coordinated refrigeration drier operates normally and whether there is a large amount of condensed water for draining in the automatic drainer. 特别注意与之配用的冷冻式干燥机是否工作正常，自动排水器是否有较大量的冷凝水排除。
Automatic drain and flush. Prevents scale build-up on the bottom of the tank. Thermostat controlled, drains the tank automatically after use. 自动排水及冲水系统-防止贮水器积水,并由此系统自动调温器控制,当用后即进行自动排水,然后再冲水。
Check all valves to ensure that they are in correct states. Open the high salinity water drain valve on the RO device. 检查所有阀门，以确定阀门处于正确状态。将ro设备上浓水排放阀打开。