triangle doorcloser GL-132 1)Loading weight:45-65kgs 2)Closing speed adjustment: 180- ... 20 3)Latching speed adjustment:20-0 Triangle Doorcloser GL-132,special type which is follow design of Dorma-84 MODELDESCRIPTIONPCS ... ,hotel,washroom,Resturant, and many places . Triangle door closer(GL-132)