The bypass quick opening valve adopts the structure of tri-eccentric metal seated butterfly valve, and the driving mode adopts hydraulic servo mechanism (independent hydraulic control unit can be provided), which can be used together with the quick cut-off valve to ensure the normal production of the blast furnace system when the TRT system is abnormal.
Nominal size: DN500-1200
Nominal pressure: 0.05-0.6mpa
Drive mode: hydraulic servo
Leakage: GB/T13927-2008 Class B
Opening time: ≤1-3 seconds