April — 2008 — The Expansion Joints Blog

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Archive for April, 2008

15' Tied Universal Expansion Joint with Slotted Hinges for a Refinery Unit

April 30th, 2008 Comments off
15' Tied Universal Expansion Joint with Slotted Hinges for a Refinery Unit

15' Tied Universal Expansion Joint with Slotted Hinges for a Refinery Unit

This tied universal expansion joint is 18 inches in diameter and 15′ in overall length. The expansion joint is fabricated with an Inconel® 800 bellows, 316H stainless steel pipe and 304H stainless steel tie rods and slotted hinges. The design pressure is 65 PSIG at 1076ºF. A hydro-test at 127 PSIG was performed as well as dye-penetrant testing to ensure product quality.

Rectangular Fabric Expansion Joints

April 17th, 2008 Comments off
Rectangular Fabric Expansion Joints

Rectangular Fabric Expansion Joints

Rectangular Fabric Expansion Joints

Rectangular Fabric Expansion Joints

The fabric expansion joints’ frame and liner are fabricated from 304 stainless steel. The three layer fabric belt consists of an inner layer of silica cloth, a middle layer of mineral wool and an outer layer of PTFE/coated fiber glass. Dye-penetrant examination was performed on all welds of the expansion joint’s frame prior to shipping.

44" Expansion Joints for a Petrochemical Plant

April 9th, 2008 Comments off
44" Expansion Joints for a Petrochemical Plant

44" Expansion Joints for a Petrochemical Plant

U.S. Bellows, Inc., a division of Piping Technology & Products, Inc., designed and fabricated 44″ fabric expansion joints for a petrochemical plant in Malaysia. The expansion joints measure 44″ ID x 40″ face to face and are fabricated from stainless steel pipe and flanges and a three layer fabric belt protected by an insulation pillow. The design conditions were 3 PSIG at 845°F. The expansion joints are designed for a lateral movement of 1/2″ and an angular rotation of 1.5°. Stainless steel covers were included to protect the fabric expansion element from possible outside damage.

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