September 21, 2005
All of the custom designed variables consist of a single flange with two spring supports in order to meet the customer’s height restrictions. These PTP1-140 Type F variable springs are fabricated from A36 carbon steel with an overall weight of 16,900 lbs. They are designed for upward movement of 0.079″ with a hot load of 4,490 lbs., and a cold load of 4,620 lbs.
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