The Pipe Support Blog

Hydraulic Snubbers Designed for a Geothermal Facility

Posted by Sylvia Ibarra on Mar 19, 2012

Hydraulic Snubbers Designed for a Geothermal Facility

Fronek Anchor/Darling Enterprises, a division of PT&P designed and fabricated hydraulic snubbers for a geothermal facility in California. The Fig. 510 AD snubbers ranged in size from 34-3/4" to 37-5/8" piston-to-piston and were designed for a 50,000 lb. maximum load, 5" cylinder size and a 6" stroke. The Fig. 511 AD snubbers ranged in size from 56-15/16" to 59-5/16" P-P and were designed for a 20,000 lb. maximum load, 2-1/2" cylinder size and a 6" stroke. Hydraulic snubbers are designed to protect the piping system when a sudden, heavy load is applied (such as an earthquake of high intensity), which can cause serious vibrations leading to complete destruction. A custom three-bolt pipe clamp fabricated from carbon steel was designed to fit in a limited space. A cycle test throughout the full stroke from zero to fully extended was performed prior to shipment.

Tags: Snubbers, Hydraulic Snubbers

Shock Control, Restraint & Pipe Support Devices Webinar

Posted by Ra Bass on Mar 08, 2012

Subject: Shock Control, Restraint & Support Devices

** Webinar is worth 1 PDH Credit for TX Professional Engineers

This Webinar is over. Visit www.pipingtech.com/webinar to view the recording.

  140,000 lb. Load Adjustable Hydraulic SnubbersExplore the various applications of snubbers, sway braces and sway struts in piping systems and equipment. Learn how these products help prevent pipe system failure due to seismic loads, flow transients, wind loads, safety valve thrust loads or pipe rupture. Discover the various tests performed within PT&P’s facility to ensure product quality, including cycle testing, travel testing and load testing. Finally, view the value-added services offered by PT&P and rest assure that your shock control, restraint and support device needs can be covered by our 24x7 web-based emergency services, field services and quick-turn around time when you need it most.
The featured presenter, Jerry Godina has over 13 years experience as a pipe support designer and manages PT&P’s engineer training development program. He also inspects existing supports, consults on site remediation projects and oversees installation on a regular basis.

Tags: Mechanical Snubbers, Hydraulic Snubbers, Sway Struts, Sway Braces

Snubbers: A General Overview

Posted by Ra Bass on Dec 02, 2010
We recently posted a new Snubber article on our website.  It provides a technical look into both hydraulic and mechanical snubbers - how they are used in a piping system and how they function.  Most importantly, the article tells you the difference between various types of snubbers which is helpful in choosing the appropriate snubber for your piping system needs.

Snubbers: A General Overview

14 1/2" diameter 225,000 lb. load Hydraulic Snubber

14 1/2" diameter 225,000 lb. load Hydraulic Snubber

Tags: Mechanical Snubbers, Shock Control, Restraint & Support Devices, Snubbers, Hydraulic Snubbers

Hydraulic Snubber Assemblies for a LNG Processing Facility in Peru

Posted by Sylvia Ibarra on Nov 01, 2010

Hydraulic Snubber Assemblies for a LNG Processing Facility in Peru

These hydraulic snubber assemblies were designed with maximum load capacities ranging from 1700 lb. to 59,400 lb. All of the snubbers were provided with an overall stroke of 6” and were preset to the midpoint of the total stroke, meaning that during operation, these snubbers could accommodate piping deflections of  +/- 3” from the installed position.

Hydraulic Snubber Assemblies for a LNG Processing Facility in Peru The piston diameters range from 1-1/2" to 6" and the total assembly length ranges from 31-1/2" to 220". The largest assembly required a custom extension section to eliminate the risk of buckling under compression loads. Two-thirds of the assemblies included dual end brackets and the remaining assemblies included an end bracket/clamp combination. The housing, extension piece and end brackets are fabricated from carbon steel, while the cylinders, pins and two of the end brackets are fabricated from polished stainless steel. Standard "lock and bleed-down" tests were performed prior to shipping to a LNG processing facility in Peru.

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Tags: Hydraulic Snubber, Shock Control, Restraint & Support Devices, Hydraulic Snubbers, Snubber