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DSF淹沒閥      DSF型低壓雙膜片脈沖閥，1993年批量生產并應用在各種脈沖袋式除塵器上多年，技術性能均達到設計要求，運行效果好，性能穩定，維護簡便，使用壽命長。該閥與貯氣包連接分A式與B式兩種，A式：螺紋連接式。B式：插連接式。
DFS submerged valve : low pressure double diaphragm pulse valve,  bulk manufactured in 1993 and widely used in pulse bag filter for many years, technology and performance both met design requires , operation well,  stable performance, easy maintenance , long using life. Two ways to connect with gas storage bag , A. threaded connect, B. insert connect