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Constant — The Pipe Supports Blog

Replacement of a Constant Spring Hanger

April 11th, 2001 No comments
Replacement of a Constant Spring Hanger

Replacement of a Constant Spring Hanger

A large refinery plant located in Pasadena, TX called upon Piping Technology & Products, Inc. to aid them in the immediate replacement of a 5400 Lbs, 7 1/2″ travel vertical constant spring hanger used to support a Coker drum.

The constant spring hanger was damaged during servicing. The reliability engineer from the refinery contacted PT&P Wednesday evening to request an inspection by a PT&P field services representative. The following morning PT&P’s field services representative arrived on-site, inspected the damaged constant spring hanger and suggested that a replacement would be most efficient and cost effective. With the existing nameplate bolted to the constant, PT&P was able to easily locate the original design of the constant.

The original design, along with the convenience of the component parts being in stock inventory, allowed PT&P to quickly manufacture a replica of the constant and ship it out on the same day by 6 p.m.

In the past, lead times for delivery of constant supports averaged 6-8 weeks, however, through the process of maintaining stock components of interchangeable parts, lead time has been drastically reduced. Piping Technology & Products, Inc. maintains a large inventory of stocked constant support assembly components that allows them to quickly assemble and ship to customers on demand, especially in emergency/quick-turn situations.

Specially Designed Upthrust Constants

March 8th, 1994 No comments
Specially Designed Upthrust Constants

Specially Designed Upthrust Constants

Piping Technology & Products, Inc. announces the latest design of their “Horizontal Upthrust” base type constant support. The table or load flange move straight up or down as the weight of the pipe is transferred to the helical coil (spring) via the internal camlinkage. PTFE, 25% glass filled, slide bearings on the four corners eliminate the possibility of binding if undue axial or lateral forces are exerted. Also, PTFE, 25% glass filled, or graphite slide bearings can be added to the table to ease movement along the axis of the pipe. The Big-Ton and Type F Base Constant Supports are still available for other applications.]

Are you in need of constant supports? Receive a quote within 48 hours!

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Constant Effort Supports for Generating Facilities

March 8th, 1994 No comments
Constant Effort Supports for Generating Facilities

Constant Effort Supports for Generating Facilities

Constant Effort Supports for Generating Facilities

Constant Effort Supports in the Field

Piping Technology & Products, Inc. has designed and built thirty-two constant effort supports ranging in loads from eighty to eighty-seven kips with seven and one half inches of total travel on each.Six of the thirty-two are shown in position and they will support critical portions of the heater. The balance in other parts of the plant will support equally critical lines such as main steam and boiler reheat.

Located near Calvert, Texas, this is the second generating facility for Texas – New Mexico Power at this site. Piping Technology & Products, Inc. supplied the same material on the previous installation for this client.

Learn more about our constant supports, visit the webinar archive today!

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Constants for a Radiant-tube Support System

January 8th, 1994 No comments
Constants for a Radiant-tube Support System

Constants for a Radiant-tube Support System

The photograph above shows a large number of specially designed constant spring supports being prepared for shipment to Chile. These constants are the key component of a reforming furnace, radiant tube support system designed for one of the world’s major engineering and construction firms.

Piping Technology’s engineers designed these units to fit in the limited space available inside the furnace and provided optional bolting patterns so attachment to the supporting structure could be made even if the radiant tube support system assumed a competitor’s design.

Do you require constant spring supports in an upcoming project? Get pricing 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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Custom Designed Vertical Upthrust Constant

March 20th, 1993 No comments
Custom Designed Vertical Upthrust Constant

Custom Designed Vertical Upthrust Constant

Pictured is a vertical upthrust constant developed for an application where the traditional horizontal upthrust would not fit.

Our Canadian customer searched to find existing products to support a pressure vessel which was to be located in an area with no additional horizontal space. PT&P developed this design and tested a prototype within one month to meet customer’s schedule.

Need constants for an upcoming project? Let us price them for you today!

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