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2019-10-23View Original

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各位前辈好: 活塞压缩机后面需要有阀门与后面系统隔离,主要是为了泄压启动的需要,止回阀是最方便,价格最低的,但是止回阀有阻力,会增加压缩机的能耗;气动球阀一般采用三片式球阀,阀门在长时间运行过程中会存在泄漏,因压缩机起停频繁,故障率还是挺高的;再就是角座阀,角座阀在压差稍微大的系统里,反向密封不好容易泄露,不过反方向用不知道行不行? 想了一下有没有一种气动诱导的止回阀阀,具备止回阀的作用,同时通过给信号或者气源可以让阀门打开?
Reply #22019-10-23
多大压力啊?正常两片的球阀就可以了,不大会内漏的。
Reply #32019-10-23
活塞式压缩机设备自带有阀片式的止回阀可以啊,这个是定型的东西,及保险又安全,事故率极低,且检修方便造价低。你说的那种可以有的,但诸多可能出现的问题存在,与节能方面比较得不偿失。供参考。
Reply #42019-10-24
本帖最后由 kangqiaowuyun1 于 2019-10-24 12:59 编辑 是压缩机自带的阀组吗?压缩机的排气阀组密封性其实不好,时间长就漏了。出口我们自己配的止回阀

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