Safe usage of high speed rolling shutter door

Safe usage of high speed rolling shutter door

Safe usage of running electric rolling shutter doors, all kinds of valves should be complete and intact. Bolts on flange and bracket are indispensable, threads should be intact, no loosening is allowed. Tighten the fastening nut on the handwheel in time if it is found to be loose, so as not to wear the connection or lose the handwheel and nameplate. If the handwheel is lost, it is not allowed to replace it with a adjustable wrench. Packing gland is not allowed to be skewed or without preload clearance. The valve stem of the electric rolling shutter door should be installed with a protective cover in the environment susceptible to rain, snow, dust, sand and other dirt. The ruler on the electric rolling shutter door should be kept complete, accurate and clear.

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