This ventilating butterfly valve is applicable in metallurgical, milling, concrete, chemical and power supply filed. It maintains the features of light weight, small flow resistance, simple structure, smart switching, etc.

It is non-sealing butterfly valve,

power supply: 380VAC / 3phase / 50Hz , 220VAC / single phase / 50Hz

Power output torque: 100~12000 Nm

Output rotating speed: 7.5~30 S/90deg

Stroking range: 90°±10°

Protection level: IP67 (GB4028-84)

anti-hazard classification: ExdIIBT4(GB3836.1-84,GB3836.2-84)

Temperature: - 30 ~ + 70 °C