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Vulcan Power Springs and Pre-Stressed Power Springs produce rotational torque from a case or an arbor. Most power springs are designed to the specific application. Please contact Vulcan to discuss your parameters.

Of interest would be:

I.D. of case O.D. of arbor Available width for spring Number of turns required Amount of torque (Min. and Max.)

Vulcan Spring has a number of sample springs to test. This usually helps to see if the specified spring is close to actually working. If there are no samples available, Vulcan can make some at a nominal charge.