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6″ Dia. Single Expansion Joint Designed for a Pipeline in Texas

May 30, 2015

6" Dia. Single Expansion Joint Designed for a Pipeline in Texas

Type: Single Expansion Joint
Size:  6″ diameter
Material:  304 Stainless Steel | Carbon Steel
Design: 0.92″ axial movement, 0.14″ lateral movement, 400 psig
Testing:  100% Hydro-tested

U.S. Bellows designed and manufactured 6″ diameter single expansion joints for a pipeline in Texas. They are fabricated from 304 stainless steel and capable of 0.92″ axial movement, 0.14″ lateral movement and are designed for 400 psig at an operating temperature of 450°F. The assemblies include external covers to protect the bellows from outside damage during plant construction and later during maintenance. All expansion joints were hydro-tested to 600 psig prior to shipping.

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8″ Dia. Tied Universal Expansion Joint Designed for a Pipeline in Colorado

May 15, 2015

8" Dia. Tied Universal Expansion Joint Designed for a Pipeline in Colorado
U.S. Bellows designed 8″ diameter tied universal expansion joints for a pipeline in Colorado. The bellows are fabricated from 321 stainless steel and the flanges, pipe, and tie rods are carbon steel. They are designed for a lateral movement of 5″ at 400°F and 200 psig. The lateral force to deflect the units 5″ is 116 lb. The expansion joints are rated for a 7,000 cycle life and were 100% dye-penetrant tested and hydro-tested prior to shipment.

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90″ Dia. Duct Work Designed for an Ammonia Plant in Louisiana

May 3, 2015

90" Dia. Duct Work Designed for an Ammonia Plant in Louisiana

U.S. Bellows custom designed and fabricated this 90″ diameter radius long elbow duct assembly for an ammonia plant in Louisiana. The duct assembly shown here is being sent for painting before it is shipped. The assembly was fabricated from A-516 Gr. 70 carbon steel material and designed for 16 psig and full vacuum at 302°F. A 100% dye penetrant test, and spot x-ray test of all pipe circumferential and long seam welds was performed prior to shipment.

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