Monga opanga ma Garage Door Torsion Springs, timapereka ma Torsion Springs mu 1.75” ndi 2” mainchesi amawaya angapo kuyambira 0.207, 0.218, 0.225, 0.234, 0.243, 0.250, 0.262 mpaka 0.272.Ma Torsion Springs athu onse amapangidwa kuchokera ku waya wotentha kwambiri, wotentha mafuta, amakumana ndi ASTM A229.
Makhalidwe Okhazikika:
(1) 0.225 mu kukula kwa waya x 2 mainchesi ID x 27 mkati L yokhala ndi zolembera zofiira
(2) Waya Wotentha Kwambiri komanso Wotentha Mafuta
(3) Adavotera 10,000 mpaka 15,000 Mizungu