www.pipingtech.com JAN, 2002  

www.pipingtech.com  |  www.usbellows.com  |  www.swecofab.com

Product of the month

Sweco Fab, Inc., the ASME fabrication shop of PT&P specially designed and fabricated a 92-inch I.D. Toroidal bellow expansion joint for an ASME "U" stamp heat exchanger shell.  The toroidal shape gives the bellow the unique ability to carry high pressures; conversely, it also permits modest deflection ability. For more information about this project, please refer to our Online Press Release 
More Feature Products 

FREE 2002 Calendar

REQUEST NOW!  Visit our website and obtain a FREE 2002 Calendar, compliments of PT&P.

Expansion Joints Catalog

Includes information on metallic, rubber and fabric expansion joints such as slip-type, thick-wall, universal, refractory lined, toroidal, hinged, rectangular and more. Browse Online or Request your copy today. 

PT&P's Catalog CD-ROM

NOW AVAILABLE!! PT&P's cd-rom that includes printable versions of our  Expansion joints, Pipe supports, Pre-Insulated pipe supports and Instrument supports Catalogs. Request your copy today. 
  Areas of Interest
PT&P  Specially Designs and Fabricates Constants for a Radiant-Tube Support System
Slide Plates: The "Sandwich" Concept
PT&P's Online Quotation Request
  PT&P now has added a new, convenient feature to our website that allows you to request a quote online.....
The Convenience of a PT&P Catalog All on a CD-ROM
  PT&P's cd-rom that includes printable versions of all its catalogs
FREE 2002 Calendar
  Log onto PT&P's website and obtain your copy today, compliments of PT&P. 

 How to Size a Spring Hanger
Piping systems are used to transport gases, liquids and suspended solids between units of a plant. The temperatures of the contents and the pipe when the plant is in operation are often quite different from the ambient temperature of the surroundings. The heat transferred during changes in temperature causes metal pipe to expand and contract. Piping designers must provide for movement due to temperature changes and forces caused by pumps, gravity and other elements of the piping system. Read PT&P's "How to Size a Spring Hanger" Technical Bulletin for more information.
PT&P  Specially Designs and Fabricates Constants for a Radiant-Tube Support System
These constants are an essential component of the radiant-tube support system for a reforming furnace. Piping Technology custom designed these units to fit in the limited space available inside the furnace. The bolting patterns for the constants needed to be flexible enough that they could be attached to the supporting structure with any of the support system designs being considered.  For more information about this project, please contact us at info@pipingtech.com.

Slide Plates: The "Sandwich" Concept
Piping Technology & Products, Inc. uses the "sandwich" concept when applying slide plates to our customers ' systems. Figure 1 shows a "sandwich" composed of two identical slide plates, one on top and another on the bottom. Each slide plate (which is like the bun of the "sandwich") and a low coefficient of friction material which is bonded to the metal backing plate.

Figure 1
In a typical application a slide bearing plate is welded to a structural steel member which is strong enough to provide the required support, but whose coefficient of friction is too high. Figure 2 shows an application in which a slide bearing plate is welded on top of one steel beam supporting the other beam. When the top beam moves (due to thermal expansion, for example) it slides across the surface of the bearing plate without contacting the supporting another beam. To return to our "sandwich" metaphor, the top half of the "sandwich" is bonded to the sliding beam, and to the bottom half to the supporting beam.

For more  technical bulletins, please refer to our products page and technical page at http://www.pipingtech.com.

Figure 2

PT&P's Online Quotation Request

Piping Technology & Products, Inc. guarantees an respond to your quotation request in 1 business day

For the quickest response to your request, please refer to the  Form located at http://www.pipingtech.com/forms/quotereq.htm . To check the status of your quote or for any other information regarding Requests for Quotes, please contact the Quotations Department.

Would you like for PT&P/U.S. Bellows/Sweco Fab to come out to your office to make a technical presentation on a specific topic (e.g. expansion joints, pre-insulated pipe supports, slide plates) or to make a general presentation?  Contact PT&P Outside Sales at +1-713-731-0030 or on e-mail at quote@pipingtech.com to setup a time and date.
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