In today’s society, the building become higher and higher, the entrance area become bigger and bigger, at the same time, the demand for higher and wider doors is increasing, however, the limit for door closer /floor spring restrict the weight →
As we know, to the automatic swing door Operator, there are 2 type of arms, one is called pull arm /pull bar, the other is push arm which also called push bar,and do you know for which type of doors →
Sliding doors possess more advantage of the amount of space that is left available if there is not a clear path for a swing door. Sliding doors also have a few disadvantages, the key demand is that the space must →