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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.

May 18, 2017

Valtech Engineering's amazing field service crew completes a difficult installation for a major Houston area refinery.  This job was performed online with duct at 1200 F which you can see in the photos.  The external gimbal box was completely removed and a new over siz...

May 10, 2017

Valtech Engineering refurbished a universal gimbal with floating hardware for a Gulf coast refinery.  The joint was designed for 50 psig at 1300 F with A240-316H ducting.  The joint was shipped from Corpus Christi to our plant in Montreal and refurbished in five days....

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