Fire Alarm Magnetic Door Holder With Wall Keeper Plate 25KG the spring in these pliers

the spring in these pliers are welded double spring to remove the need for adjustment or replacement

180 mm / 7

Specification Sheet

excellent workmanship

Fire Alarm Magnetic Door Holder With Wall Keeper Plate 25KG the spring in these pliersESP Fire Alarm Magnetic Door Holder With Wall Keeper Plate This electromagnetic door retainer unit is designed for use in fire applications where doors are usually kept open but in the event of a fire alarm being activated all automatically shut to act as a fire door. These units have a holding force of 40kg and a spring return action eliminates the problems of residual magnetism keeping the doors in place. There is also a manual release button