Tankelevation is to be approx. 3 meters above pum suction for NPSH requirements.
为满足NPSH要求，罐的标高应该大约位于泵进水口3米之上。
2
The oil hole zoning and pedal locks, set on the tank tops, used for measuring the elevation and oil tube temperature and sampling, etc.
量油孔分带锁式和脚踏式，安装于油罐顶部，用于测量管内油品的标高和温度及取样等。
3
Because of trap leaking and condensed water tank and pump being installed at the same elevation, the system didn't run normally and became a open one leaking steam largely.