力士樂柱塞泵過濾裝置是由多層重疊過濾網板和過濾框組成，網板孔由電腦打孔，孔密小均勻，這可保證每層過濾網板上的濾材壓力均勻，使過濾精度優，原液體經過加壓進入筒體內，從過濾框四周孔進入，再經網板上的過濾介質從網板中心多個小孔出來，合格液體排出。本機濾材可選用（聚丙烯濾膜、增強型濾膜、濾紙、濾布，專用脫碳過濾膜）等，可根據用戶要求選用合適的濾材。本機的特點：流量大、速度快、存活性碳多、占用空間小，過濾面積大、效率高、過濾精度高，操作方便等。合成氨裝置。因為合成氨原和凈化方法不同，其工藝流程不同，所需閥門的技術機能也不同。目前，海內合成氨裝置主要需用閘閥、截止閥、止回閥、疏水閥、蝶閥、球閥、隔膜閥、調節閥、針型閥、安全閥、高溫低溫閥。其中，截止閥占裝置用閥總數據的53.4%,閘閥占25.1%,疏水閥占7.7%,安全閥占2.4%,調節閥和離低溫閥及其它占11.4%.乙烯裝置,乙烯裝置是石油化工的龍頭裝置,其需用閥門種類繁多。閘閥、截止閥、止回閥、升降桿式球閥占大多數，其中閘閥需居首。
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