U.S. Bellows, Inc., a Subsidiary of Piping Technology & Products, Inc., Designed and Fabricated a 36" Tied Universal Expanion Joint for a Petrochemical Plant (PT&P Ref# 91097-G1, LT) 3/19/2008

U.S. Bellows Inc. designed and fabricated a 36" tied universal expansion joint for a petrochemical plant in Kuwait. The expansion joint measures 36" in diameter x 318" from center of elbow to face of flange. It is fabricated from 316H stainless steel with Inconel 800 bellows. The design pressure of the expansion joint is 65 PSIG, and the design temperature is 1076ºF. It is designed for axial compression within the tie rods and lateral movement of 3.02". Hydrotesting was performed at 98 PSIG to assure the integrity of the tie rods and also to assure quality. The pictures show the expansion joint leaving the shop on its way to the customer. The stainless steel flange faces are protected with 3/4" plywood during delivery.

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