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In-line Pressure Balanced Expansion Joints Designed for a 58″ Pipeline at a Chemical Plant

January 21, 2019

In-line Pressure Balanced Expansion Joints Designed for a 58" Pipeline at a Chemical Plant

Type:  In-line Pressure Balanced Expansion Joint
Size:  38″ F-F | 58-1/2 Diameter
Material:  304 Stainless Steel | Carbon Steel
Design:  725°F @ 14.22 psig | 1-1/2″ Axial Compression | 422 lb./in. Spring Rate
Testing:  100% X-Rayed | Dye-penetrant | Air/leak tested

U.S. Bellows custom designed these in-line pressure balanced expansion joints for a chemical plant in Texas. They are 38″ face-to-face and 58-1/2″ diameter. The bellows are fabricated from 304 stainless steel with carbon steel tie rods and flange plates. They are designed for a 725°F at 14.22 psig, with a spring rate of 422 lb./in. and 1.5″ of axial compression. The expansion joints were 100% dye-penetrant examined and air leak tested prior to shipment.

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