吸入管路截面积必须大于或等于泵流道断面积。
The sectional area of the suction pipeline is no less than pump flowing channel's.
泵吸入管路底部应安装截止止回阀，确保其操作灵活。
Check valve should be installed in the bottom of suction pipe of pump to make sure operation is prompt.
蒸汽管结构应能避免将任何加热蒸汽带入锅炉给水泵吸入管路。
Steam pipe configuration shall be such as to prevent entrainment of any heating steam into boiler feed pump suction lines.
在合理确定吸入系统的装置方面，提出了减少吸入管路的水力损失和在吸入系统安装低速前置泵的改进措施。
And also puts forward improving measures for reducing hydraulic loss in suction piping and installing low speed prime pump in suction system.
启动前应全开吸入和排出管路中的阀门，严禁闭阀启动。
Should be fully open before the start of suction and discharge pipe valves, non-closing valve started.
启动前应全开吸入和排出管路中的阀门，严禁闭阀启动。
Should be fully open before the start of the suction and discharge pipe valves, non-closing valve to start.
并保证泵在工作时，不超过其允许汽蚀余量。4、吸入和排出管路应该有支架。
And ensure the pump at work, no more than the allowed NPSH. 4, suction and discharge line should be a support.
安装前对吸入、排出管路要清理干净，去掉铁锈等脏物，特别是焊接管路的焊渣必须彻底清除，以免进入泵后咬死。
Before installation on the suction and discharge line to clean, remove rust and dirt, especially welding pipe welding slag must be thoroughly cleared, to avoid killed after entering the pump.
减小吸入破财HC，为此能够变法儿增多管径，放量减小管路长短，弯头和附件等；
Reduce the inhalation of bankruptcy HC, this can increase children Reform diameter, heavy volume decreases the length of pipe, elbow, and accessories;
吸入装置包括吸入液面至泵进口处的管路、阀件等。
The suction facilities include the pipeline from the suction fluid surface to the inlet of the pump and valves and fittings.
气体由系统入口法兰通过吸气管路吸入。
Air will be absorbed from system entrance flange by draw air pipe.
本实用新型涉及一种设置在吸入含有凝结性物质的瓦斯的螺旋杆型的真空泵的排出管路上的消音器。
The utility model relates to a discharge silencer with raffinate recovering function, arranged on the spiral rod type vacuum pump which sucks gas with coagulability matters.
本实用新型涉及一种设置在吸入含有凝结性物质的瓦斯的螺旋杆型的真空泵的排出管路上的消音器。
The utility model relates to a discharge silencer with raffinate recovering function, arranged on the spiral rod type vacuum pump which sucks gas with coagulability matters.
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