Spring Return damper actuators ua atiaʻe mo le faʻaogaina lautele o le ea damper, valve rotary ma isi masini e manaʻomia ai se faʻaoga-saogalemu.I le taimi o le fa'agaioiga masani, na fa'aosoina ai e le tagata fa'atino le masini.I le tulaga o le motusia o le eletise, e toe foʻi le mea faʻaola i lona tulaga muamua.

