Middle simple and double trolley to weld

Both the double U-40 and U-60 rollers and the single U-40 are used in hinged curved doors and in overlapping folding sliding doors.

They are stainless steel hardware that slides on the upper guides or rails to allow sliding maneuvers.

 

· Simple rollapar U-40 central welding

· Double rollapar U-40 central welding

· Double rollapar U-60 central welding