1.It is usually applied to pipeline of ventilation and air conditioner system with fireproof requir 1.It is usually applied to pipeline of ventilation and air conditioner system withfireproof requirement, suitable for vertical pipeline of passing through walland building.2.It can restrain flame spread via pipeline.3.It is normally ON. When the air temperature reaches 70, the fuse metal is blown,and valves will be close under the function of gravity and pull.4.Can be added signal output function according to customer's need. Fuse metal should be installed to the side of valve wind mouth.Remark: please state clearly that it is horizontally or vertically installed when ordered.

Fireproofing Valve