Ada (americans with disabilities act) swing door operator is one of entrance solution's best selling products. They adhere to the same high standards as entrance solution's most popular automatic doors such as the automatic sliding door, the 2/3/4 wing revolving door, the all glass revolving door , the turnstiles and many more great doors. With the beginning of 2016, we have updated the functionality of our operator design to include a special spring design, which makes our operators much safer compared with our previous versions, and also meet the ce en16005 standards perfectly.