ESSAR图纸注释? 8.flow transmitters are to be mounted above pipe to prevent acid and /or water from accumulation in tubing to transmitter. 流量变送器应按装在管道上方, 以避免管线中的酸和/或水聚集在变送器的位置 。 9.provide low point drains to allow drainout of water and caustic from shutdown lines during periods of non-use. 提供低点排放 , 在停用期间,以便排放停车管线中的水和碱。 10.nitrogen purge connection for purge of contactor tubside to shellside. 用于净化接触器的管程和壳程的 氮气吹扫接头。 [ ]查看更多