Type：Crank-slider-style shut-off valve
 Application：Used in hot blast stove
 Usage：It plays the role of cutting off the medium in the pipeline of hot blast stove and can be used as gas combustion valve, air burning shut off valve，purified gas shut off valve, cold blast valve and chimney valve.
 Working Temperature：≤500℃
 Operating Medium：Air, gas and smoke
 Working Pressure：≤0.4MPa
 Operation：Both electric and hydraulic
 Size and Model：DN600~DN1400 YB45W-4
 BF Capacity：230m³~750m³