Cut off gate valve

 Overview  MD/JAJ series wellhead safety hydraulic cutoff device is a kind of equipment to ensure the safety of well site production. When there is overpressure at the wellhead, pipe explosion and fire in the station, this device can automatically cut off the wellhead gas source to prevent the occurrence and spread of disasters and accidents, thus protecting the safety of station equipment and personnel.  Performance features 1) automatic valve closing in case of overpressure 2) automatic valve closing in case of pressure loss  3) automatic valve closing in case of fire 4) manual emergency valve closing 5) manual well opening and closing according to production requirements 6) valve position display  7) no electricity and no one can work  8) high pressure sensing accuracy and reliable action 9) fast valve opening and closing, especially the time from receiving signal to closing is less than 2 seconds 10) Compact structure, simple operation,…

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