Mar 18, 2018
.080 17-7 stainless steel torsion spring used in butterfly valves
Torsion Springs
Torsion springs are helical springs that exert a torque or rotary force and are subject to bending stresses. Torsion springs should always wind up from the free position - never to unwind from the free position. As they wind up, torsion springs reduce in diameter and their length becomes longer. Such springs should be supported over a rod whenever possible. Some spacing should remain between coils to minimize friction which can alter torque and deflection.
[caption id="attachment_1898" align="aligncenter" width="334"]
.080 17-7 stainless steel torsion spring used in butterfly valves[/caption]
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