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February 13, 2020

A midwest refiner realized their FCC bypass line expansion joint had a failed bellows and was leaking. The client contacted Valtech Engineering and within 24 hours a complete design solution was engineered meeting current EJMA and ASME design codes. As the Valtech onsi...

January 26, 2020

1st quarter 2020.

Valtech Engineering was awarded contract for detailed design and fabrication of new FCC expansion joints for a major gulf coast refiner. The scope of supply includes new regen cat expansion joint, spent cat expansion joint, and cold wall flue gas expan...

May 28, 2019

This 60 inch (1524mm) diameter universal cold wall was shipped this month.  It was designed for 45 psig (3.1 barg) at 1450 F (788 C).  It had 5 inches (127mm) of castable refractory installed, had two mitered elbows and a 7.0 inches (178mm) of lateral preset which is v...

April 22, 2019

The amazing Valtech Engineering field service team was called to Spain to fix a leaking bellows online.  The line was running at 1400 F (760 C) and 57 psig (3.9 barg).  The customer was able to reduce the line temperature to allow work to be done.  A universal 625 LCF...

April 21, 2018

Two 34 inch (864mm) bolted root ring expansion joints were installed in the field on a shell and tube heat exchanger at a Georgia power plant.  The bellows were SB443-625 GR 1 and all remaining components were SA516-70N.  The root rings were necessary to take the 550 p...

February 25, 2018

Two joints for a large FCCU project at a major Saudi refinery.  The first was a 134 inch (3403mm) cold wall universal carbon steel joint for 1500 F (816 C) flue gas service.  The second was a 54 inch (1372mm) cold wall universal gimbal/slotted hinge with many nozzles a...

January 25, 2018

Valtech Engineering shipped (4) 102" (2591mm) diameter expansion joints to a large refinery in the Anacortes, Washington area.  All joints were for flue gas transmission at 1 psig and 800 F (427 C) with two ply testable bellows, thermocouples to monitor bellows tempera...

January 3, 2018

A large diameter cold wall refractory lined joint was shipped to a major gulf coast refinery.  The design conditions were 1344 F at 75 psig with 5.0 inches of compression and 1.0 inch of extension.  The joint was refractory lined with 4.0 inches of castable refractory....

October 10, 2017

Valtech built a 38.5" ID hot wall spent catalyst expansion joint for 1025 F and 100 psig design conditions.  The duct was 1.25 Cr - 0.5 Mo and the joint had slotted hinges, gimbal pantorgraph, limit rods, thermocouples and 0.75 inch abrasion resistant refractory  An en...

June 30, 2017

Flue gas joint shipped to Louisiana refinery designed for 1400 F and 5 psig with 4" castable refractory and A516-70N ducting. 2 ply testable alloy 625 LCF bellows with thermocouples, limit rods and slotted hinge.

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