504BC Türschließer

1) installation dimension(length*width*height):230mm*19mm*72mm 2) suit for door weight 65 100kgs,suitable for heavy doors 3) 1 million cycles and five years guaranteed. 4) Universal application, standard, top jamb, parallel arm installation 5) Closing and latching speed controlled by two separated regulating valves. 6) finish color optional as request:silver,black,duro,gold etc. 7) hold-open and back check function available. 8) EN1154 standard and UL listed.