PT&P manufactured B type constant spring supports for a hydrocracker application at a refinery in Port Author, TX. These custom designed constants are 83″ x 41″ x 20″, and designed to support a 53,000 lb. riser pipe through two trunnions. The constants are designed for an operating load of 26,700 lb. with 10-1/2″ of total travel. They are fabricated from A36 carbon steel and underwent standard load and travel testing prior to shipment.

Live New Webinar
Sign-up for a Live Technical Webinar…
Pipe Support Field Inspection, Installation and Maintenance Webinar
Date: Thursday, April 17, 2025 - Register for 10:00 am OR 2:00 pm
*Note: Time Zone is CDT * Central Daylight Savings Time / GMT -5h
Live Webinars are 1 PE/PDH Credit for TX Professional Engineers
This Webinar will focus on installation and maintenance guidelines and offer valuable tips on inspecting a wide variety of pipe supports and expansion joints in your piping system. We will cover various pipe support applications and point out signs that indicate if a particular support needs replaced or adjusted. Obtain the knowledge you need to avoid the possibility of a potentially catastrophic situation. View examples of real-world problems and see how we were able to solve them with timely and cost-effective solutions.
Upcoming Webinars:
April 10th: Fabric Expansion Joints Webinar by U.S. Bellows, Inc. 10:00 am OR 2:00 pm
April 24th: U.S. Bellows 101 - The Basics of Expansion Joints 10:00 am OR 2:00 pm
May 1st: Shock Control, Restraint & Support Devices Webinar 10:00 am OR 2:00 pm

Online Course
Piping Design and Analysis Influence on Pipe Support Selection and Design
Surveying a piping system? Need to change a current system?
This course is also great for…
• New Engineers, Management and Operations
• Field, Process, Maintenance and New Engineers
• Piping and Piping System Designers and/or Instructors
*This online course is approved for 8 hrs. P.E. Credits