Mechanical Snubbers Designed for an Industrial Chemical Plant in Brazil

March 11, 2019

Mechanical Snubbers Designed for an Industrial Chemical Plant in Brazil

Type: Mechanical Snubbers
Size: Length: 40-3/8” to 60-3/4″
Material: Carbon Steel | Hot-dipped Galvanized | Paint
Design: 1,000 lb.  – 6,000 Load | Stroke: 4″ – 5″

PT&P designed mechanical snubber assemblies for an industrial chemical plant in Brazil. This project included mechanical snubber assemblies along with, insulated, constant, variable, and structural supports. The operating load ratings are from 1,000 lb. to 6,000 lb., and lengths range from a 40-3/8” to 60-3/4″ pin to pin. The snubbers have a 4” to 5” of stroke. All the assemblies were designed with a carbon steel pipe extension pipe, transition plate, heavy hex nuts, and adapter brackets. The snubbers are hot-dipped galvanized and painted to protect against corrosion. Visual tests and pull test were performed.

Pipe Support Field Service: Problem Resolution

November 27, 2017

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Pipe Support Field Inspection, Installation & Maintenance

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Shock Control, Restraint, and Support Devices Webinar

October 9, 2017

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shortly after the speaker begins the presentation. You may click the monitor icon below each
video to view the webinar in full-screen mode.

NOTE: PDH credits are NOT offered for our recorded webinars.

View the Slides for Above Webinar Here

Mechanical Snubbers for a Refinery in Oklahoma

May 5, 2017

Mechanical Snubbers for a Refinery in Oklahoma

Type: Mechanical Snubbers
Size: Size MSA-10, 36″ OAL, and 30 1/2″ Pin-To-Pin
Material: Carbon Steel with HDG Finish
Design: Operating load of 15,000 lbs and a 6″ Maximum Stroke
Testing: Standard Load Tests

Piping Technology & Products supplied these mechanical snubbers with two end brackets, fabricated from carbon steel with an HDG finish for a refinery in Oklahoma. They are size MSA-10, 36″ OAL, and 30 1/2″ pin-to-pin. The snubbers are designed for an operating load of 15,000 lbs and have a 6″ maximum stroke. Standard load tests were performed prior to shipment. Mechanical snubbers have two modes of operation. In passive mode, i.e., motion caused by thermal loads, the resisting mechanism is disengaged and the snubber “free wheels” with very low resistance. In active mode the mechanism is engaged, and the snubber limits the acceleration to a low threshold value.

Shock Control, Restraint & Support Devices Webinar

June 9, 2016

This webinar is over, view the recording in the webinar archives

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 24×7 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.

Snubbers: A General Overview

December 3, 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

Want to learn more about snubbers? Watch a recording of a past snubbers webinar now!
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Snubber Assemblies for a Power Plant

September 28, 2005
Snubber Assemblies for a Power Plant
Snubber Assemblies for a Power Plant

 

Snubber Assemblies for a Power Plant
Close-up View

These assemblies are used to control a maximum shock load of 1,500 lbs within a piping system. Each Snubber was supplied with a custom designed yoke made from Chrome-Moly (A387 Gr.91), supplied with a stainless steel u-bolt and protection saddle. The travel capacity ranges from 1″ to 5″. An expedited delivery of two weeks was provided per customer’s
request.

Want to learn more about snubber assemblies? View a past snubber webinar today!


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Specially Fabricated Sway Struts and Mechanical Snubbers

February 9, 2000
Specially Fabricated Sway Struts and Mechanical Snubbers
Specially Fabricated Sway Struts and Mechanical Snubbers

The photograph above shows sway struts and mechanical snubbers, which are combined and attached to large pipes and to stable structures. The snubber will dampen shocks and vibrations caused by sudden opening and closing of valves or even earthquakes. Piping Technology & Products, Inc. fabricated these for the steam piping in a power plant.

Are you in need of sway struts and mechanical snubbers for an upcoming project? Get pricing today!

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Mechanical Snubbers

January 21, 1994
Mechanical Snubbers
Mechanical Snubbers

The two pictures above show mechanical snubbers which are used to limit the velocity of movement of piping systems when sudden accelerations caused by earthquakes, extreme wind loads or water hammer occur. These devices are designed with a brake drum which is activated by sudden movement. During gradual movement, such as would be expected during thermal expansion, the brake is not activated. Mechanical snubbers do not depend on hydraulic principles so they do not require maintenance during normal operation. The top picture shows the pins and swivel bearings used to link these snubbers to the system it will protect. The bottom pictures shows our inventory maintained for emergency deliver.

Want to learn more about snubbers, view our webinar archives today!

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