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The Pipe Supports Blog

Custom Pipe Supports and Constants Assemblies For An Oil Refinery In Mexico

October 12th, 2001 No comments
Custom Pipe Support Assemblies For An Oil Refinery In Mexico

Custom Pipe Support Assemblies For An Oil Refinery In Mexico

Custom Pipe Support Assemblies For An Oil Refinery In Mexico

Custom Pipe Support Assemblies

Piping Technology and Products designed and built 24 custom pipe support assemblies to meet the unusual needs of an oil refinery in Mexico. The pipe hanger assemblies each consisted of a 200 E-type constant spring support and a cradle assembly. The constants are designed for loads of 9856 lb. to 13,288 lb., and for total travels ranging from 3.5″ to 5.5″. Operational conditions dictated that the constant springs have settings for emergency and start-up, in additional to the standard settings of cold for shipping, and hot for normal operations.

The cradle assemblies attached to the constants are to support pipes with operational temperatures of 1070°F to 1100°F. Thus while the constants could be made of A-36 steel, the assemblies could not. The pipe saddle itself was made by splitting a section of A387-11 chrome alloy pipe. The other support components were all made of 304 stainless steel. This includes a 1-3/4″ Eye Rod, two 27″ I.D. U-bolts, and two 33″ lengths of 3″ diameter SCH. 80 pipe.

Do you need custom pipe supports for an upcoming project? Get pricing today!

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Cryogenic Pipe Anchors For A Gas Refinery

October 2nd, 2001 No comments
Cryogenic Pipe Anchors For A Gas Refinery

Cryogenic Pipe Anchors For A Gas Refinery

Cryogenic Pipe Anchors For A Gas Refinery

Inside of the Pipe Anchor

Piping Technology & Products, Inc. manufactured cryogenic pipe anchors for gas refinery in Savannah, Georgia. The pipe anchors were fabricated with stainless steel and insulated with polyurethane foam. In order to prevent cold pumping, better known as temperature driven moisture penetration, polyurethane foam was poured around a stainless steel reinforcing pad. The ten cryogenic pipe anchors were fabricated to support 4-inch, 8-inch and 12-inch pipes. PT&P’s pre-insulated pipe supports department is devoted to the production of pipe insulation productions for both hot and cold applications.

Want more information on cryogenic pipe anchors? Visit our webinar archives today!



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68" In Height Vertical Upthrust Constants

September 7th, 2001 No comments
68" In Height Vertical Upthrust Constants

68" In Height Vertical Upthrust Constants

Piping Technology & Products, Inc. designed and built two, 68″ in height 100 U-Type constants for a power plant in Mexico. The vertical upthrust constants were designed to support 48,500 lb. each with a total upward travel of 3″. In order to prevent buckling of the constant housing, each constant was designed with five C7 x 14 3/4 lb. channels and a base plate of 26 3/8″ x 33 1/4″. These unique 100 U-Type upthrust constants were custom designed by PT&P to accommodate limited horizontal space requirement. The constants will be placed opposite to each other on a beam capable of supporting 99,000 lb. load of the pipe, plus the weight of the constants.

Want to learn more about constants? Visit out webinar archives today!



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High Strength Stainless Steel Pipe Guides

August 23rd, 2001 No comments
High Strength Stainless Steel Pipe Guides

High Strength Stainless Steel Pipe Guides

High Strength Stainless Steel Pipe Guides

LNG Facility in Trinidad

Piping Technology & Products, Inc. manufactured over 2,000 high-strength, stainless steel pipe guides for a liquefied natural gas facility in Trinidad.

This high strength insulation is rare and mainly used for cryogenic applications. The guides range in a variety of sizes including 4-inch to 36-inch NPS and the fabrication included carbon steel base plates and stainless steel plates, nuts and bolts.

Looking for pipe guides? Get pricing today!

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108" I.D. x 144" T-T Vessel

August 16th, 2001 No comments
108" I.D. x 144" T-T Vessel

108" I.D. x 144" T-T Vessel

Sweco Fab, Inc., the ASME code fabrication shop for Piping Technology & Products, Inc., specially designed and fabricated a 108″ I.D. x 144″ T-T vessel for the Texas A&M University. The “Aggie Vessel” will be used for special research project at the university. A 24″ T-bolt closure was used for access to the vessel and two stiffner rings were installed to withstand vacuum application. Unique internal design was also applied to facilitate special equipment installation. Helium leak test at 1×10-6 cc/sec will be performed to detect leakage.

Are you in need of a vesssel? Request a quote today!

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August 2001 News

August 15th, 2001 No comments

Breaking News: NEW pipingtech.com

On August 06, 2001, PT&P launched its new website. pipingtech.com now has a new design and structure.  We hope you will find it simpler and more intuitive to find what you are searching for. Browse through its many pages and explore the new features that we have added:

Features:

  • Menu bar with mouse over features. Allows you to view the different categories under that section before you click on it.
  • In the news side menu bar- Allows you to view and select PT&P’s current press releases
  • A new products section that is categorized by type of product.
  • Product testing section – Describes the type of testing we do, the procedure and its purpose
  • Highlights section – Highlights upcoming events, stories, additions, etc.
  • Emergency/Quick Turn Request Form
  • Easily accessible catalog request form

48" Diameter x 96" S/S Vertical Carbon Steel Filter Vessels

July 6th, 2001 No comments

 

48" Diameter x 96" S/S Vertical Carbon Steel Filter Vessels

48" Diameter x 96" S/S Vertical Carbon Steel Filter Vessels

48" Diameter x 96" S/S Vertical Carbon Steel Filter Vessels

Vessels

Sweco Fab, the ASME fabrication shop of Piping Technology & Products, Inc., specially designed and manufactured three steel, rubber-lined vessels for a MTBE manufacturer located in Deer Park, TX.

The carbon steel filter vessels were designed with rubber linings in order to help prevent or delay corrosion within. The vessels are 48″ diameter x 96″ s/s vertical and built to ASME. All vessels underwent hydrostatic testing in order to detect leaks (see Figure 2).

Need a vessel for an upcoming project? Get pricing today!

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60,000 Lb. Load Type "B" Variable Spring Hangers

June 27th, 2001 No comments
60,000 Lb. Load Type "B" Variable Spring Hangers

60,000 Lb. Load Type "B" Variable Spring Hangers

PT&P specially designed two Type “B” variable spring hangers (2-250-B) for an oil company in Ryazan, Russia. These variable spring hangers were custom designed to support a load of 60,000 lbs. with a spring rate of 3,648 lbs./in. respectively. Due to loading requirements, these variable spring hangers were also designed to accommodate a travel of 1″, upward movement.

Are variable spring hangers a necessity for your next project? Get pricing now!

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June 2001 News: Issue 2

June 22nd, 2001 No comments

Take advantage of our currently open shop space!
PT&P and its wholly owned subsidiaries US Bellows and Sweco Fab are manufacturers of a variety of high quality engineered products. We’re open, 24/7, to meet all your quick-turn/ emergency needs! PT&P and its wholly owned subsidiaries US Bellows and Sweco Fab are manufacturers of a variety of high quality engineered products.

PT&P has a system of stock inventory that allows us to quickly assemble and ship products such as:

*Engineered Spring Supports
*Expansion Joints
*Support Assembly Components
*Fabricated Pipe Shoes and Anchors
*Flow Products
*Slide Plates and more!

June 2001 News: Issue 1

June 4th, 2001 No comments

PT&P Verifies New Designs for LNG Phenolic Base Support with Load Testing

Load Testing

Load Testing

Piping Technology & Products, Inc. performs thorough product testing to verify new designs to a LNG Laminated Phenolic base support for an E&C company located in Houston, Texas. In order to determine the failure loads for a 30″ diameter, pre-insulated shoes and a 6″ diameter Laminated Phenolic base support respectively, PT&P performed lateral-load and axial load tests. The load tests performed ensure the pre-insulated pipe shoes can safely sustain the specified design load. The insulated shoes tested for the E&C company will be in service in 2001 at Atlantic LNG, where they will be used to support the liquid nitrogen gas (LNG) lines.

Big Ton Springs Installation Guide
Big Ton 1. Measure the existing installed load setting height to make sure that the big ton spring will fit tightly into the space provided. Shim from below as needed to ensure proper fit.
2. Place the big ton spring in the designated location, making sure that all required slide plates, shims, or auxiliary steel are in their proper positions.
3. Travel stop bolts can be released after all testing has been done. The travel stops are painted red and located on each end of the big ton spring. Follow the steps below to release the travel bolt stops. Please refer to the drawings to the left.
(a) Turn the nut on travel stop bolt No. 1 one-half turn; repeat on bolts 2 through 4.
(b) Repeat in this sequential order until the load is released. The load has now been transferred to whatever the big ton spring is supporting.
4. CAUTION: Be sure that the nuts on the travel stop bolts are backed off enough to accommodate the appropriate travel (Example: 1 inch of travel – the nuts should be backed off by 2 inches from the bottom of the travel stop plate.)
5. At this time the Lifting Eye Bolts may be removed.

Tension Systems
In some cases, a straight line system of axial bellows anchors and guides is not practical or desired; or there is no reasonable way/ place to anchor the bellows thrust loads. In such cases self restrained bellows assemblies may be used, such as the double hinge restrained bellows shown below. Thermal expansion (or contraction) in the long pipe is absorbed by an offset deflection of the double hinge assembly. Bellows thrust load is carried by hinge bars, gimbals, tie rods or other such devices; hence normal tension is maintained in the pipe system and main anchors and full lateral restraint guides are unnecessary.

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
: Snubbers, Sway Struts & Sway Braces
Phone: (713) 731-0030 Toll-Free: (800) 787-5914 FAX: (713) 731-8640 info@pipingtech.com

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