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September — 2005 — The Pipe Supports Blog
Archive for September, 2005

Snubber Assemblies for a Power Plant

September 28th, 2005 No comments
Snubber Assemblies for a Power Plant

Snubber Assemblies for a Power Plant

 

Snubber Assemblies for a Power Plant

Close-up View

These assemblies are used to control a maximum shock load of 1,500 lbs within a piping system. Each Snubber was supplied with a custom designed yoke made from Chrome-Moly (A387 Gr.91), supplied with a stainless steel u-bolt and protection saddle. The travel capacity ranges from 1″ to 5″. An expedited delivery of two weeks was provided per customer’s
request.

Want to learn more about snubber assemblies? View a past snubber webinar today!


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PTP 1-140 Type F Positive Variable Springs for a Power Plant

September 21st, 2005 No comments
PTP 1-140 Type F Positive Variable Springs for a Power Plant

PTP 1-140 Type F Positive Variable Springs for a Power Plant

 

PTP 1-140 Type F Positive Variable Springs for a Power Plant

Rows of Variable Springs on Shipping Floor

All of the custom designed variables consist of a single flange with two spring supports in order to meet the customer’s height restrictions. These PTP1-140 Type F variable springs are fabricated from A36 carbon steel with an overall weight of 16,900 lbs. They are designed for upward movement of 0.079″ with a hot load of 4,490 lbs., and a cold load of 4,620 lbs.

Want to learn more about variable springs? View a past variable spring webinar now!




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September 2005 News

September 4th, 2005 No comments

New Patent for a High Temperature Support for Insulated Pipes
PT&P has developed a high capacity support for insulated pipes which does not rely on the insulation to carry any of the load. The design has several advantages over previous designs:

Pipe Shoe

Pipe Shoe

  • Since the insulation does not carry any mechanical load, it can be chosen solely on the basis of its thermal properties. In particular, cyclic loading, which has caused insulation failure, is not a problem.
  • The support provides effective restraint for all six possible components of loads, X, Y, Z-Rotational and Translational. In particular, axial and torsional loads are readily accommodated. These represent difficulties for supports which rely on the insulation.
  • It is easily installed in the field. It is attached to the pipe with a standard bolted pipe clamp. Thus there is no field welding.

The support consists of a shoe, similar to the PT&P Fig. 4500 Insulated Shoe Support for Hot Pipe (Hot Shoe) and two clamps, similar to the PT&P Fig. 50 Light Two Bolt Pipe Clamp. Each clamp is attached to the shoe by a steel plate which is designed to carry the design load, and is shape optimized to minimize heat flow from the pipe.

Failed Pipe Shoes

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