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Electric telescopic butterfly valve
Nominal diameter: DN50 ~ 2000mm
Nominal pressure: PN0.6 ~ 1.6MPa
Temperature: -30 ~ 200 ℃
Operating modes: manual, worm gear, gas transmission, electric transmission
Design and manufacturing standards: GB / T 12238-2008, JB / T8527-1997
Structure length standard: GB / T 12221-2005
Connection flange standard: GB / T 9113
Pressure temperature rating: GB / T 12224-2005
Test test standards: GB / T 13927-2008