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Shock Control, Restraint & Support Devices — The Pipe Supports Blog

Carbon Steel Limit Stops

October 8th, 2008 No comments

 

 
Carbon Steel Limit Stops

Carbon Steel Limit Stops

These limit stops are fabricated from carbon steel with stainless steel inner components. These supports function to prevent excessive stress on the pipe by limiting motion due to earthquakes or other similar events.

They range in size between 20 7/8″ and 22 7/8″ from pin to pin. The load ranges between 12,500 lb. and 21,100 lb. The limit stops are passive restraints that are designed for a maximum thermal expansion of 5″, but can be preset for any specified amount of movement. They will be utilized in an oil refinery overseas.

Do you see a need for limit stops in your piping system? Get pricing today!

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140,700 lb. Load Hydraulic Snubbers

March 5th, 2008 No comments
140,700 lb. Load Hydraulic Snubbers

140,700 lb. Load Hydraulic Snubbers

140,700 lb. Load Hydraulic Snubbers

Side View of Snubber

Anchor/Darling Enterprises, Inc., a wholly owned subsidiary of Piping Technology & Products, Inc. designed and fabricated these hydraulic snubbers for a power plant in Turkey. They are adjustable type snubbers with two rear brackets. The hydraulic snubbers can absorb loads up to 140,700 lb.

Design:

Temperature: 375°F
Pressure: 1,750 PSIG
Stroke: 6″

Do you see a need for snubbers in your piping system? Get pricing today!
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240" Sway Strut for a Local Refinery

September 19th, 2007 No comments
240" Sway Strut for a Local Refinery

240" Sway Strut for a Local Refinery

This sway strut is fabricated from carbon steel and measures 240″ from pin to pin. The pipe is 6″ in diameter and has a load capability of 15,000 lbs. The components were completed with a hot-dipped galvanize finish and the pipe was coated with a shop primer. The function of a sway strut is to restrain movement of piping in one direction while providing for movement due to thermal expansion or contraction in another direction.

This particular sway strut will support a 30″ process line in a refinery. This type of support is necessary, because the current line has only a few I-beams for support. Additionally, the I-beams that support the line are very high off the ground and not capable of handling the large forces acting on the line. Due to the loads acting upon the pipe and length of the required strut, a heavy schedule pipe and heavier duty strut ends were necessary.

Do you require sway struts in your plant or refinery? Get pricing today!
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Mechanical Snubbers for a Refinery

May 15th, 2007 No comments
Mechanical Snubbers for a Refinery

Mechanical Snubbers for a Refinery

Sizes of mechanical snubbers for this project range between 18″ and 80″ in the retracted position. The maximum load capacity ranges between 700 and 10,000 lb. Mechanical snubbers function to restrain thermal movement in abnormal circumstances such as earthquakes, hydraulic hammer, and upstream pipe rupture. The snubbers were tested at both high and low rates of loading on a computer controlled hydraulic test machine to ensure quality assurance.

Do you require mechanical snubbers in your piping system? Get pricing today!
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Sway Braces with Ball Joints

September 13th, 2006 No comments
Sway Braces with Ball Joints

Sway Braces with Ball Joints

Sway Braces with Ball Joints

Sway Braces with Ball Joints

These special sway braces that are subject to the banana effect were designed to specific requirements for a Coker Plant in Texas. With deflection capability of up to plus or minus 9″ in all directions, these sway braces are used to stabilize tall stacks. Five springs in tandem prevent binding during operation, and are necessary due to extreme length. The sway braces ranged from 70″ to 144″ in length and can handle up to 8,000 lbs. The precision machined pivoting ball joints positioned at each end allow for freedom of movement in any unpredictable direction.

Do you see a need for sway braces in your current job? Get pricing today!
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Snubbers with Yoke Clamps for a LNG Plant

May 31st, 2006 No comments
Snubbers with Yoke Clamps for a LNG Plant

Snubbers with Yoke Clamps for a LNG Plant

Snubbers with Yoke Clamps for a LNG Plant
Snubbers

Snubbers are restraining devices. They allow free thermal movement during normal operations but restrain in abnormal circumstances such as with an earthquake. These snubbers were fabricated from carbon steel. They measure 2 1/2” x 24” and the yoke clamps have pipe sizes of 23” and 25”. Each snubber weighs 890 lb. and has a travel capacity of 24”. Designed for the support of a cryogenic line, these snubbers can handle loads of up to 2,900 lb.

Want to learn more about snubbers? Instantly view a past snubbers webinar today!



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Hydraulic Snubber Extension Rod Ends

February 15th, 2006 No comments
Hydraulic Snubber Extension Rod Ends

Hydraulic Snubber Extension Rod Ends

Hydraulic Snubber Extension Rod Ends

Snubber Extension Rod Ends

The hydraulic snubber extension rod ends(seen above) were manufactured from carbon steel. Ranging in sizes 1 , 4, 5, and 6, the weight of each increase with size, therefore; the weight of each unit varies. Extension rod ends are used in conjunction with hydraulic snubbers to extend the overall length of an existing snubber. They are applied to piping systems when unrestrained thermal movement must be allowed but must also be restrained during impulsive or cyclic disturbance. The turn around time for these units was 3 weeks.

Want to learn more about snubbers? View one of our past snubber webinars today!


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2 Sway Strut Hangers for a Power Generating Station

December 21st, 2005 No comments
 2 Sway Strut Hangers for a Power Generating Station

2 Sway Strut Hangers for a Power Generating Station

 2 Sway Strut Hangers for a Power Generating Station

Alternate View of Sway Struts

Sway struts are used to restrain movement of piping in one direction while providing for movement due to thermal expansion or contraction in another direction. These sway struts are made of ASTM A387 GR22 weighing at 1,485 lbs each. They are 6″ in diameter and 8’2″ long and are used for main steam valve supports with specifically designed spacers, pins, and retainers capable of restraining movement up to 90,000 lbs at high temperatures exceeding 750F. The turnaround time for this was 6 weeks.

Do you see a need for sway struts in your current application? Get pricing today!
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Snubber Assemblies for a Power Plant

September 28th, 2005 No comments
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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25,000 lb. Load Hydraulic Shock Suppressor and Clamp Assemblies

April 8th, 2005 No comments
25,000 lb. Load Hydraulic Shock Suppressor and Clamp Assemblies

25,000 lb. Load Hydraulic Shock Suppressor and Clamp Assemblies

Piping Technology & Products, Inc., recently designed and manufactured fourteen PTP Fig. 2100 Hydraulic Shock Suppressor and pipe hanger assemblies for a Steel Company in North Dakota. The assembly consists of a 12 diameter alloy clamp and a PTP Fig. 2100 Hydraulic Snubber with cylinder size of 3 1/4 diameter and 5 stroke load. They are designed to accommodate loads of 25,000 lb. and high temperatures up to 1,100 F. To ensure the products quality, dimension and movement tests were conducted prior to shipment.

PT&P also designed and manufactured Variables Spring Hangers and various Pipe Supports Assembly Components in a range of different specifications and materials for this project.

Do you see a need for hydraulic snubbers in your piping system? Get pricing now!


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Mailing: P.O. Box 34506, Houston, TX 77234-4506 Location: 3701 Holmes Road, Houston, TX 77051
Our Subsidiaries: U.S. Bellows: Metallic & Fabric Expansion Joints, Bellows
Sweco Fab: ASME Vessels, Pig Launchers, Spectacle Blinds
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: Snubbers, Sway Struts & Sway Braces
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