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Constant Spring Supports — The Pipe Supports Blog

Special Vertical Type E Constant Spring Supports

April 26th, 2002 No comments
Special Vertical Type E Constant Spring Supports

Special Vertical Type E Constant Spring Supports

Piping Technology & Products, Inc. designed and manufactured special vertical type E constant spring supports for a power plant. These were designed and installed as pairs in a configuration similar to the typical G type constants. The advantage of using a pair of the special E rather than the conventional G type is that the total width is smaller as can be seen in Figure 1.

The constants were designed to support loads from 5,730 lbs to 10,690 lbs. They were fabricated from A36 Carbon steel. The dimensions of the individual constants are 60″ high, 16 1/2″ long, and 14″ in wide. The size of the supported pipe determined the width of the assembly. As with all constants built by PT&P, they were tested to verify that standard specifications for variation of load over the full range of travel were met.

Do you need constant spring supports for an upcoming project? Request a quote today!

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U-Type and F-Type Constant Spring Supports

October 30th, 2001 No comments
U-Type and F-Type Constant Spring Supports

U-Type and F-Type Constant Spring Supports

U-Type and F-Type Constant Spring Supports

F-Type Constants

Piping Technology & Products, Inc. designed, manufactured and delivered a total of 8 constants to a power plant in Mexico. The designs consisted of 4 Horizontal U-Types Upthrust (Figure 1) and 4 Vertical F-Types (Figure 2) that are to support 24-inch diameter pipes. Each consisted of different sizes. The constants are designed for loads of 2,839 lbs. to 8,963 lbs., for Total Travels ranging from 7 to 3 inches. Constants were painted CZ-11 per customer request.

Learn more about constant springs by visiting our webinar archives!



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Big-Ton D and Big-Ton T Upthrust Constants

May 24th, 2001 No comments
Big-Ton D and Big-Ton T Upthrust Constants

Big-Ton D and Big-Ton T Upthrust Constants

PT&P custom designed and built four Big Ton D Upthrust Constants(figure 1) and two pairs of Big Ton T Upthrust Constants (figure 2) for a global engineering & construction company.

These upthrust constants are installed at a Petrochemical Plant in Siberia. Due to space limitation, the Big Ton D Upthrust Constants and Big Ton T Upthrust Constants were designed for a total travel of 5″ and 4″ respectively. The Big Ton D Upthrust Constants were also designed for a load of 50,022 Ibs with a height of 26 inches. The Big Ton T Upthrust Constants with a height of 16.5″ were designed for 75,000 Ibs, and 67,464 Ibs respectively.

Does your project require constant springs? Request pricing today!

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Refurbished Constant Supports

December 3rd, 1993 No comments
Refurbished Constant Supports

Refurbished Constant Supports

The picture above shows the “before” and “after” of constant supports refurbished by Piping Technology & Products, Inc. Customers ship these units to our plant during a turn-around in a wide variety of conditions. In this case it was cheaper and faster to refurbish them than to rebuild. In either case each unit is completely tested in a load cell to assure performance and a new name plate is attached to record the load, travel and other parameters. Four of these horizontal upthrust supports can be seen above, ready for return to the customers. Power plants, petrochemical plants and paper mills are the primary users of this service.

Want to learn more about constant supports? Check out our live webinar archives!

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Specially Designed Vertical Constants

June 1st, 1993 No comments
Specially Designed Vertical Constants

Specially Designed Vertical Constants

The vertical constant is used when piping stress is critical and pipe is subject to vertical movement in excess of ½ inch due to thermal expansion, and also at locations here it is necessary to avid any transfer of stress from support or onto critical terminals or connecting equipment. These constants are manufactured by Piping Technology & Products, Inc.

Do you have a requirement for custom constants? Let us serve your needs today!

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Custom Designed Horizontal Constants

May 28th, 1993 No comments
Custom Designed Horizontal Constants

Custom Designed Horizontal Constants

In construction of the horizontal constant, Piping Technology & Products, Inc. uses high quality materials and workmanship throughout, with a liberal factor of safety to insure against temporary shock and overload. Springs hot-wound, double heat treated, pre-set and pre-tested.

Do you see a need for constants in your piping system? Let us price them for you today!

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