Dhammaan Bestar Garage Door Torsion Springs waxaa laga soo saaray silig xagal sarreeya iyo saliid leh, oo buuxinaya heerka ASTM A229.
Guryaha kala duwan iyo milkiilayaasha ganacsiga waxay u baahan yihiin noocyo kala duwan oo albaabbada garaashyada ah si ay u daboolaan baahiyo kala duwan.Sababtaas awgeed, sida soo saaraha Garage Door Springs, waxaanu kaydka ku haynaa ilo kala duwan oo baaxad leh.Doorka Bestar, waxaanu u adeegnaa sidii Garage Door Torsion Spring iibiye ee shirkadaha u baahan ilo torsion tayo sare leh si ay u abuuraan alaab tayo sare leh.Markaad raadinayso ilo tayo sare leh oo aad u baahan tahay alaab-qeybiye aad ku kalsoon tahay, ha ka fogaan Bestar Door.
Tilmaamaha caadiga ah:
(1) 0.225 in. cabbirka siliga x 1.75 in. ID x 31 in. L oo leh midab cas
(2) Xadhkaha gu'ga oo kacsan iyo saliid ku shidan
(3) Lagu qiimeeyay 10,000 ilaa 15,000 wareeg