الوصف

Specifications

Flange type DN100/DN150 Fire signal gate valves  

ZSDF type fire signal butterfly valves at the top of the valve set opening and closing electric signal device, when the valve is closed 25% (full open degree of 1/4), electrical equipment and the output signal to the fire control center is closed.Therefore, the butterfly valve is the best product of form a complete set of automatic fire sprinkler system.

Structure characteristics and working principle: the disc valve electrical device design on the top of the worm and worm gear drive, and directly with the valve stem rotation, within the precision of totally enclosed electrical and mechanical device, equipped with mechanical valve opening indicator and imported electrical components and rust parts.The output signal is stable and reliable for a long time.