Main Technical Parameters
Fuse operating temperature: 70°C
Air leakage rate (at differential pressure 300Pa): ≤700m³/m²·h
Valve fire resistance rating: 1.5h
Resistance coefficient at fully open state: ＜0.5

Structure
Main components: valve body, valve vane shaft, shaft bush, fusible link, actuator.
All valve flanges adopt TDF flange with a flange width of 30mm.
Thickness of rectangular valve body: L=250mm.