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PTFE, 25% Glass Filled, Slide Plates for a Chemical Plant in Texas

September 13th, 2002 No comments
PTFE, 25% Glass Filled, Slide Plates for a Chemical Plant in Texas

PTFE, 25% Glass Filled, Slide Plates for a Chemical Plant in Texas

Piping Technology & Products, Inc. designed and manufactured PTFE, 25% glass filled, slide plates for a chemical plant in Port Arthur, Texas.

These slide plates are constructed of PTFE, 25% glass filled, bonded to stainless steel backing plates. The top plates range from 123 ¾ square inches to 481 ¾ square inches and the bottom plates range from 69 square inches to 616 square inches.

Want to find out more information about slide plates? Visit our webinar archives today!



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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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Big Ton Springs Equipped with Special Rollers

August 23rd, 2002 No comments
Big Ton Springs Equipped with Special Rollers

Big Ton Springs Equipped with Special Rollers

Big Ton Springs Equipped with Special Rollers

Rollers Installed On top of the Load Flanges

Piping Technology & Products, Inc. specially designed and fabricated big ton springs equipped with special rollers to accommodate moving apparatus and support piping at a refinery in India.

The specially designed big tons were made to support loads ranging from 55,000 lbs. to 114,000 lbs with no more than 5/16″ upward movement. Its composition comprises of A-36 carbon steel, built to a maximum height of 23-5/8″.

The special rollers installed on the top of the load flange, keeps the aforementioned loads moving smoothly under all kinds of conditions. To further assure their quality, each of the big ton spring assemblies underwent load testing and afterward were hot dipped galvanized to prevent against corrosion.

Want to learn more about big tons? Visit our webinar archives today!



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Sludge Tank Vent Ducts

August 16th, 2002 No comments
Sludge Tank Vent Ducts

Sludge Tank Vent Ducts

Sweco Fab, Inc. recently designed and manufactured sludge tank vent ducts for a development project in Chad, Africa.

Due to the thin wall and height of the cylinder shell it was required to add a stiffing ring between the cylinder shell and flange. Each duct was 12 ¼” I.D. x 104 7/8″ high and weighed approximately 96 pounds. They were painted inside and out per System 6E grey color.

Learn more about Sweco Fab, Inc. and it’s products by visiting our webinar archives today!



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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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Vertical F-Type Constants for Power Plant

July 19th, 2002 No comments
Vertical F-Type Constants for Power Plant

Vertical F-Type Constants for Power Plant

Piping Technology & Products custom designed and manufactured vertical F-type constants for a power plant in Connecticut.

The 100 type F is a vertical constant designed to support piping from below with minimum space usage. The dimensions of the constant are 26-5/8″ high, 10″ wide, and 17-9/16″ long with an operating load of 280 lbs.

This particular F constant, was unusual in that it was furnished with a vertical spring that attaches below the frame of the constant. In addition to a downward travel of 3″, the flange table shifts forward at 1-3/8″ to minimize axial movement.

A galvanized finish was applied to the constant to prevent corrosion. The constants can be bolted on or welded to the support or steel underneath.

Need constants for an upcoming project? Ask for pricing today!

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Big Ton Springs Equipped with Lifting Lugs

July 12th, 2002 No comments
Big Ton Springs Equipped with Lifting Lugs

Big Ton Springs Equipped with Lifting Lugs

Piping Technology & Products, Inc. specially designed and fabricated big ton springs equipped with side lifting lugs to support piping of a 102-megawatt, refinery cogeneration power plant in California.

Under typical circumstances, this type of job application would utilize variable spring hangers, but because of the restricted space, the hangers’ size would be too small to support a hot load of 19,068 lbs and cold load of 17,212 lbs. In order to satisfy both the required loads and space, PT&P engineers designed and fabricated figure 500 big ton springs equipped with side lifting lugs. The lifting lugs were attached to allow the big ton to suspend as a variable spring would in the field.

Are big ton springs a necessity for your next project! Request a quote today!

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Variable Springs to Meet Travels Needed to Support Furnace Tubes of a Hydrogen Reformer

July 5th, 2002 No comments
Variable Springs to Meet Travels Needed to Support Furnace Tubes of a Hydrogen Reformer

Variable Springs to Meet Travels Needed to Support Furnace Tubes of a Hydrogen Reformer

Variable Springs to Meet Travels Needed to Support Furnace Tubes of a Hydrogen Reformer

Custom Variables in the Field

Piping Technology & Products, Inc.  specially designed and fabricated hundreds of altered Type A variable spring hangers in order to accommodate the special travel and spring rate needed to support the furnace tubes of a hydrogen reformer in Venezuela.

In order to accommodate customer specified travel and spring rate, modified spring coils were required. With a travel of 8 7/8, the variable spring hanger casing lengths were increased from the standard size of 32 inches to over 6 feet long. The calculated spring rate is 79 lb/sq in for an operating load of 2,804 lbs. and installed load of 3,505 lbs.

The housings are coated with a heat resistant paint, which protects the spring coils from corrosion and high temperatures of the furnace area.

Want to learn more about variable springs? Visit our webinar archives today!



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July 2002 News

July 4th, 2002 No comments

PT&P Custom Designs and Fabricates Big Ton Springs Equipped with Lifting Lugs

Big Ton Springs

Big Ton Springs

Piping Technology & Products, Inc. specially designed and fabricated big ton springs equipped with side lifting lugs to support piping of a 102-megawatt, refinery co-generation power plant in California.

Under typical circumstances, this type of job application would utilize variable spring hangers, but because of the restricted space, the hangers’ size would be too small to support a hot load of 19,068 lbs and cold load of 17,212 lbs.  In order to satisfy both the required loads and space, PT&P engineers designed and fabricated figure 500 big ton springs equipped with side lifting lugs. The lifting lugs were attached to allow the big ton to suspend as a variable spring would in the field.

The big ton springs are comprised of A-36 carbon steel and built at 13″x 23″x 9-1/2″ with a downward travel of .232″. The job was completed within two days to meet the customer’s quick turn requirements.

Introducing PT&P’s Maintenance Free Slide Plates, Bronzphites®

Piping Technology and Products is a supplier of maintenance free slide bearing plates, Bronzphite®, whose high strength bearings and impregnated graphite, together create a concoction ideal for maintaining excellent wear resistance and durability under severe operating conditions. PT&P has supplied Bronzphite® for a number of companies in the oil, gas and power industry.

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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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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