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36″ Dia. Externally Pressurized Expansion Joints Designed for a Power Plant in Venezuela

October 29, 2018

36” Dia. Externally Pressurized Expansion Joints Designed for a Power Plant in Venezuela

Type: Externally Pressurized Expansion Joints
Size: 36″ I.D. | 56″ OAL | 10″ Face-to-Face
Design: Hastelloy C-276 Bellows | A36 CS Flanges & Spool
Material: 60 PSIG at 572°F | 9.75″ Axial Compression
Testing: 100% Dye-Penetrant | Hydro-Tested

U.S. Bellows custom designed externally pressurized expansion joints for a power plant in Venezuela. The units are 56″ in overall length and have a 36″ inside diameter. The bellows are fabricated from Hastelloy C-276 and the flanges and spool are A36 carbon steel. The units are designed for an operating pressure of 60 psig at 572°F and 9.75″ of axial compression. The expansion joints were 100% dye-penetrant tested and hydro-tested prior to shipment.

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Thick-Wall Flanged and Flued Head Expansion Joints Designed for Boiler and Furnace Replacement

October 15, 2018

Thick-Wall Flanged and Flued Head Expansion Joints Designed for Boiler and Furnace Replacement

Type: Thick-Wall Flanged & Flued Head Expansion Joints
Size: 52-7/8″ I.D. | 83-5/8″ I.D. | 10″ Face-to-Face
Design: ASTM A 516-70 Carbon Steel
Material: 250″ Water Column
Testing: 100% Dye-Penetrant | Soap & Air Leak | Hydro-Tested

U.S. Bellows custom designed thick-wall flanged and flued head expansion joints for a boiler and furnace replacement at a chemical plant in Kentucky. The units were completely fabricated from ASTM A 516-70 carbon steel. The smaller unit’s inside diameter is 52-7/8″ and the larger unit is 83-5/8″. Both units are 10″ face-to-face. They are designed for an operating pressure of 250″ water column. The expansion joints were 100% dye-penetrant tested, soap & air leak tested, and hydro-tested prior shipment.

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11 Foot Long Universal Gimbal Expansion Joints Designed for an Oil Refinery in Canada

October 1, 2018

11 Foot Long Universal Gimbal Expansion Joints Designed for an Oil Refinery in Canada

Type:  Universal Gimbal Expansion Joint
Size:  102″ – 133″ L | 41.5″ W | 41.75″ H | 32″ diameter
Material:  Carbon Steel | 304 Stainless Steel
Design:   100°F @ 285 psig | 102 lb/in/degree Rotational
Spring Rate | 15.4″ Lateral Deflection
Testing:   Hydrotested @ 428 PSIG

U.S. Bellows custom designed these universal gimbal expansion joints for an oil refinery in Canada. The bellows and liners are fabricated from 304 stainless steel, and the remainder of the components are fabricated from carbon steel. The units are 102″ and 133″ long respectively, and both are 41.5″ wide, 41.75″ tall, with 32″ OD. They are designed for an operating temperature of 100°F at 285 psig, with a 102 lb/in/degree rotational spring rate and 15.4″ of lateral deflection. The expansion joints were 100% dye-penetrant tested and hydro-tested at 428 psig prior to shipment.

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