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Support Assembly Components — The Pipe Supports Blog

Various Sized Saddles for a Power Project

September 6th, 2002 No comments
Various Sized Saddles for a Power Project

Various Sized Saddles for a Power Project

Piping Technology & Products, Inc. designed and manufactured saddles for a power project in California.

The saddles were built for 12″, 24″ and 30″ pipe and the loads varied from 1,500 pounds to a maximum design load of 20,000 pounds. The saddle and its components will hang from a beam in the field by spring hangers to complete what is known as a “trapeze” pipe hanger assembly. In order to prevent movement, the supported pipes will be secured to the curved portion of the saddle with u-bolts.

If you are in need of pipe saddles, let us know! We would be glad to help you.

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Hold Down Clamps for an Engineering and Construction Company

August 2nd, 2002 No comments
Hold Down Clamps for an Engineering and Construction Company

Hold Down Clamps for an Engineering and Construction Company

Piping Technology & Products manufactured 2″ hold down clamps (figure HD-1) for an engineering and construction company.

The figure HD-1 is PT&P’s anchor type hold down and is usually used on pipe lines where little or no insulation is required. These hold down clamps were constructed of SA36 carbon steel for temperatures to 750ºF.

Need hold down clamps? We’re happy to serve your needs!

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Rods and Clevises for a Natural Gas Combined Cycle Facility

June 21st, 2002 No comments
Rods and Clevises for a Natural Gas Combined Cycle Facility

Rods and Clevises for a Natural Gas Combined Cycle Facility

Piping Technology & Products, Inc. designed and manufactured hundreds of hanger rods and clevises for a 1,250 MW natural gas combined cycle facility in Mississippi.

The rod and clevis components were made of various alloys (800H, F91, 316H, SA-387 Gr. 22) and ranged in sizes from 2″ to 4″ diameter. Taking into account the surrounding environment’s conditions, engineers designed the rods and clevises so that they can endure temperatures escalating to 1430º F. For the duration of a pull test conducted, the clevises and rods sustained loads up to 152,000 lbs. and there were no discrepancies.

Are rods and clevises on your checklist for an upcoming project? Request a quote today!

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40 Clamp Attachments for a Petrochemical Plant

May 10th, 2002 No comments
40 Clamp Attachments for a Petrochemical Plant

40 Clamp Attachments for a Petrochemical Plant

The clamp attachments shown are used for supporting vertical pipe sections to vessel clip anchors. These braces are designed for a maximum horizontal moment of 15,000 ft-lb at the vessel clip. All the clamps provided were made of carbon steel with a hot-dip-galvanized finish. The pipe hanger assembly lengths were fabricated per specifications provided by the client.

The clamp components were designed and fabricated for non-standard pipe diameters (i.e. 13-3/4″, 16-1/2″) so that they could be used on insulated or finned pipelines.

Are you in need of clamp attachments? Request a quote today and receive a response within 48 hours!

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24", Chrome-Moly, Three-Bolt Clamps with Stanchions

April 5th, 2002 No comments
24", Chrome-Moly, Three-Bolt Clamps with Stanchions

24", Chrome-Moly, Three-Bolt Clamps with Stanchions

Piping Technology & Products, Inc. designed and fabricated 24″, chrome-moly, three-bolt clamps with horizontal guide stanchions for a 765 MW natural gas-fired combined cycle facility in Mexico.

These clamps, in conjunction with variable springs, will allow for vertical and axial pipe movement while restricting lateral movements. They were made for 24″ OD pipe from 1-1/2 x 9″ stock material. Based upon design considerations, the clamp “E” dimension, from pipe centerline to outer load bolt, was 25″. The clamps were designed for operation at 1065°F and per customer-supplied information, the vertical design load was 1,848 lbs and the maximum lateral load was 19,207 lbs.

The clamp plates are made of A387 GR. 22 plate material, stanchion pieces of A335 GR.22 pipe and the side stop plates of carbon steel.

Want more information on three-bolt clamps? Learn more about them in our webinar archives!




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March 2002 News

March 4th, 2002 No comments

PT&P Utilizes 3D-Modeling Technology to Design Pipe Supports for a 750MW Power Plant

3D-Design Clamp

3D-Design

Pipe Clamps

Pipe Supports on Shipping Floor

Piping Technology & Products, Inc. recently designed and fabricated 9 pipe supports with loads up to 75,000 lbs. for a 750MW power plant in Alabama. After extensive engineering hours and structure analysis, PT&P’s engineering department produced a detailed design and 3-D model for the supports that would allow them to run electronic interface checks. The supports are to support the cooling towers’ circulatory water system at the power plant. Six of the 9 supports were designed for a 60” line and 50,000 lb. load, and the remaining 3 were designed for a 78” line and 75,000 lbs. of load.

Furnace Springs Versus Standard Springs The major differences between standard springs and furnace springs are their construction and intended use. Furnace springs operate in much the same way as other variable spring supports. They are designed to support the pipe and tubes that are subject to vertical thermal movement. The design changes come about because, furnace springs are exposed to extreme temperatures.

FURNACE SPRINGS STANDARD SPRINGS
COATINGS Red oxide primer in order to aviod potential hazards when exposed to high temperatures Hot dipped galvanized which tends to melt the zinc coating. Molten zinc can damage surrounding pipe and equipment.
CONSTRUCTION
Unique to its application and intended use
Welded design for housing assembly
Centers the spring coils within the housing and accommodates lug attachments
Interchangeable
Bolted configuration for the housing
DESIGN Spring used as a means to determine the loading of the catalyst tubes

66" Diameter, Three-bolt Pipe Clamp

February 8th, 2002 No comments
66" Diameter, Three-bolt Pipe Clamp

66" Diameter, Three-bolt Pipe Clamp

66" Diameter, Three-bolt Pipe Clamp

66" Diameter, Three-bolt Pipe Clamp

Piping Technology & Products, Inc. custom designed and fabricated a 66-inch diameter, three-bolt pipe clamp for a chemical company located in Deer Park, Texas.

The clamp will be used in conjunction with a PT&P Spring Hanger and a length of rod in order to support the pipeline.  After formation, the clamp’s dimensions measured at 97.75 OAL and 69.5 at its widest point. By using a FEA program, the clamp was designed for an operating load of 24,000 pounds at 500° F. The materials used consisted of 1 ¾ x 10 x 128 ¼ thick A-36 Carbon steel, with three 2½ studs and nuts.

In need of some three-bolt pipe clamps? Request for pricing today!

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1,728 Rods & Clevises

November 16th, 2001 No comments
1,728 Rods & Clevises

1,728 Rods & Clevises

Piping Technology & Products, Inc. custom designed and fabricated 1,728 rods and clevises for a heat recovery steam generation plant. The rods and clevises will be utilized to support various pipe loads throughout the piping system.

Learn more about rods and clevises by visiting our webinar archives!



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40" Diameter, Alloy Yoke Clamp

October 12th, 2001 No comments
40" Diameter, Alloy Yoke Clamp

40" Diameter, Alloy Yoke Clamp

PT&P specially designed and manufactured a heavy duty, 40-inch diameter, alloy yoke clamp (cut from a 6″ thick plate) for a Power Plant in Mississippi. The clamp was designed for a 70,000 lb load and is to support a 40″ diameter, high pressure main steam line. The u-bolt was made of a 3″ diameter bar. In order to prove the design of this clamp, Finite Element Analysis was used to simulate the loads and stresses that it may experience in the field. The model shows the stresses at every point by a color coding system.

Want to learn more about yoke clamps and other types of clamps? Visit our webinar archives today!


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Arrestor Type Hold Down

March 9th, 1994 No comments
Arrestor Type Hold Down

Arrestor Type Hold Down

The above photo shows an arrestor type hold down. This type of restraint is used when there is very low thermal movement. Its radius is lined with a belting material designed to absorb shock from movement. It is widely used on compressor lines or similar applications. The restraint type hold down’s clamp radius and base is lined with PT&P’s PTFE slide plate which allows for axial movement while restraining lateral movement and used on compressor lines where temperatures are high and thermal movement is great. This anchor type hold down is utilized on pipelines and require little or no insulation. It is fabricated from carbon steel and can be used in temperatures up to 750oF.

Would you like to learn more about hold down clamps and slide plates? Visit our website archives today!

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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
 Pipe Shields: Pre-Insulated Pipe Supports, Slides, Guides & Anchors

Fronek Anchor/Darling
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