Vertical shutter-type manual
Product Description
(1) bead pull shutter
Rolling beads pull the use of its volume of 40 alloy tube, the surface of anodic oxidation treatment. Volume at fabrics and PVC pipe inserted between the connecting piece. No sewing, assembly easy, can be restructured at the scene, in the spring brake operation to prevent the fabric down freely, the end of Cypriot copper axle shaft in order to increase the use of life, operation in close la la beads using beads to pull the beads with round beads point increase in inter-force, thus increasing the smooth operation, its under the rail tracks at the end of the composition of the spray, pull beads shutter fittings are all anti-aging function of the UV. After fatigue testing agencies, whose life expectancy could reach about 6000 times. Is divided into easy-style, top-rail type, casing type, cover four types of track-type.
(2) Spring Roll
Shutter spring 40 volumes of aluminum alloy tube, the surface of anodic oxidation treatment, the appearance of volume in the fabric and PVC pipe inserted between the chip connections, the need to make in order to increase the fastness of fabrics. Rolling the windows and the buildings between the spray blocks the installation of aluminum alloy and stainless steel connection, the spring tension and the speed of folding fabric can be used to regulate the special key. Institutions at the end of the operation by the spray rail and pull handball, cord, etc.. Rolling in the spring all the fittings are aging anti-ultraviolet function, fatigue after the spring experiment, life can be achieved around 8000 times. Into the top track-type, casing type, cover type orbit, five types of heavy and semi-automatic.
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