wafer butterfly valve torque list

By william | 08 January 2018 | 0 Comments
Butterfly valve torque are listed in the table BELLOW: "wet" (water and other non lubrication medium) on - off, for "dry" using occasions (non lubrication, dry gas medium) multiplied by 1.15, for "lubricating medium" (clean, non erosion medium) using occasions, multiplied by 0.85.When choosing the butterfly valve operating device, multiply by 1.25 of the torque mentioned above.
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