延长机械密封使用寿命方法辽宁省沈阳市辽中化工总厂马草机械密封，也叫端面密封，比填料密封有许多优点，例如节省动力、密封可靠等，所以能用机械密封的地方应尽量采用。但有些机械密封使用寿命不长，拆装起来比填料密封麻烦得多。遇到这种情况，它不但显示不出优点，反... Longer mechanical seal to extend the life of Liaozhong Chemical Plant in Shenyang City, Liaoning Province, Ma grass mechanical seal, also known as face seal, than the packing seal has many advantages, such as saving power, reliable sealing, etc., so mechanical seal should be used where possible . However, some mechanical seal life is not long, disassembly than packing much more trouble. In this case, it not only shows no advantages, anti ...