These 100-B Type vertical constant spring supports were designed with double transverse lugs for a refinery in Mexico. The constants were fabricated from A-36 carbon steel and they range in size from 23-1/4″ to 26-5/8″ in height, 50″ to 78″ in length and 18-3/8″ to 18-3/4″ in width. They are designed for operating loads ranging from 8,000 – 27,000 lb. and upward movements ranging from 3″ to 7″. The double transverse lugs allow the entire constant to swivel with the rod. Standard load and travel tests were performed prior to shipment.

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Pipe Support Engineering & Design Webinar
Date: Thursday, March 20, 2025 - Register for 10:00 am OR 2:00 pm
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This presentation will cover pipe support design, 3D modeling, Finite Element Analysis, special stress, and thermal cases, along with the unique cases that brought on new pipe support designs. Increase your understanding of the value-added services that are offered by PT&P, and rest assured that your Engineering and Design needs can be covered by our 24×7 web-based emergency services, providing field service, and quick turnaround time when you need it most.
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March 13th: U.S. Bellows 101 - The Basics of Expansion Joints 10:00 am OR 2:00 pm
March 27th: U.S. Bellows - Expansion Joints In-depth Webinar 10:00 am OR 2:00 pm
April 3rd: Constant Spring Supports Design and Application Webinar 10:00 am OR 2:00 pm

Online Course
Piping Design and Analysis Influence on Pipe Support Selection and Design
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*This online course is approved for 8 hrs. P.E. Credits