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Compact Disc Springs — The Pipe Supports Blog
Posts Tagged ‘Compact Disc Springs’

Custom Compact Springs Designed to Support a Storage Tank

October 9th, 2017 Comments off

Custom Compact Springs Designed to Support a Storage Tank

Type: Compact Spring Supports
Material: A-36 Carbon Steel | HDG | Stainless Steel
Design: 0.25″ Movement (upward) | 5,000 lb. Load
Testing: Load and Travel Testing

These compact spring supports were custom designed to support a storage tank at a facility in Texas. The housing was fabricated from A-36 carbon steel and hot-dipped galvanized to protect them against corrosion. The disc springs are engineered using the stainless steel Belleville disc springs designed for large loads but small movements. In this case, the springs are designed to support a load of 5,000 lb. and movement of 0.25″ (upward). Each assembly underwent load testing prior to shipment.

Compact Spring Supports Designed for an Oil Refinery in Minnesota

April 8th, 2016 Comments off

Compact Spring Supports Designed for an Oil Refinery in Minnesota

These compact spring supports were custom designed for an oil refinery in Minnesota. Typically, compact spring supports are used to support large loads but small movements relieving process equipment nozzles from overloading. In this case, the springs are designed to support loads of 5,605 lb., 4,747 lb. and 1,250 lb. and movements of 0.133” and 0.029” upward and 0.199″ downward, respectfully.

Compact spring supports utilize engineered Belleville (disc spring) washers. Since these spring supports contain disc springs, both the support housings and the springs contained in the housings are made from 304 stainless steel. Corrosion resistance is significantly increased by using this combination. Glass coatings can also be applied to both the housing and springs to make the support system virtually impervious. Each assembly underwent load testing prior to shipment.

Compact Disc Spring Support Designed for a Heat Exchanger Application

September 21st, 2015 Comments off

Compact Disc Spring Support Designed for a Heat Exchanger Application1

Compact Disc Spring Support Designed for a Heat Exchanger Application

In this application, the heat exchanger (vertical vessel), has thermal movement of 1/4″, vertically.  As it expands thermally, the vessel lifts off its support structure and additional forces at the vessel’s lower nozzle are created.  With many heat exchangers, as well as other process equipment, the space between the support structure and equipment is restricted.  In this case, the space between the cantilever clamp attached to the vessel and the support structure is limited to only 5.1″.   This lack of space is unsuitable for placing the conventional spring supports which require more space.

The Compact Disc Spring support is designed to support large loads in small confined spaces with limited thermal movement (from 0 to 3/4″). By supporting the vessel with Disc Springs, the thermal movement is allowed (or relieved), which helps reduce the excessive loads and local stress on the nozzles.  This results in compliance with the ASME Piping and Vessel Codes. Due to a corrosive chemical plant environment, the two Compact Disc Spring supports were supplied with engineered 17-7PH Stainless Steel Belleville Disc Springs to combat corrosion.

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