July 15, 2005
The hot shoes were constructed using high temperature insulation made from calcium silicate, lined with a ceramic fiber blanket in a steel cradle (A36 Carbon Steel). The shoes were designed for 1500 F and a vertical load range between 25,000 lbs and 32,000 lbs, and the BOP was 10″. The overall diameter including 7″ of insulation is 49 7/8″. Belleville washers are used to hold bolt tension in pipeline with high frequency vibration.
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