| 1. | Flame propagation through cornstarch dust clouds in an open vertical duct
玉米粉火焰在开口垂直管道中的传播 |
| 2. | Three valve units can be installed to either vertical pipe line or horizontal pipe line
1三阀组可装于垂直管道，也可装于水平管道。 |
| 3. | When valves are to be used in vertical pipe runs , this should be clearly specified
如果阀门准备用在垂直管道上，在订购时应该明确指定说明。 |
| 4. | Ventilation plant ; unplasticized polyvinylchloride uptakes ; pipe fittings , bends ; minimum wall thickness
通风设备.无增塑的聚氯乙烯垂直管道.弯管配件.最小壁 |
| 5. | Nibco check valves may be installed in both horizontal and vertical lines with upward flow or in any intermediate position
美国尼伯科止回阀可以安装在水平和流向朝上的垂直管道中的任何位置上。 |
| 6. | Nibco check valves may be installed in both horizontal and vertical lines with upward flow or in any ntermediate position
沃尔达止回阀可以安装在水平管道和流向朝上的垂直管道上的任何中间位置上 |
| 7. | World check valves may be installed in both horizontal and vertical lines with upward flow or in any intermediate position
沃尔达止回阀可以安装在水平管道和流向朝上的垂直管道上的任何中间位置上 |
| 8. | Note : when valve is installed above a horizontal line or on a vertical line , on steam service , equalizer pipe must have a water seal loop
注：如果在蒸汽应用场合，阀门安装在水平管道的上方或在垂直管道上，则必须配置平衡管以形成水密封回路。 |
| 9. | When disc stops are designed to hold the disc slightly into the flow stream , the valves may also be used in vertical pipe runs ( with flow up only )
如果阀瓣止回结构能够利用流体轻微的支撑住阀瓣，则这种阀门也可以应用在垂直管道上(仅限于流向朝上) 。 |
| 10. | Four use on all world and s585 - 70 full port bronze ball valves , the horizontal and vertical chain levers can be used when valves are installed overhead in horizontal or vertical piping runs
适用于所有沃尔达不缩径，全流道青铜球阀上，水平或垂直链条杆可以用在阀门安装位置处于高处的水平或垂直管道上。 |
