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Engineered Spring Supports — The Pipe Supports Blog

U-Type Constants Designed with Slide Plates for a Polypropylene Plant in Texas

August 22nd, 2016 Comments off

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PT&P designed and fabricated U-Type constant spring support , with PTFE, 25% glass filled side plate for a Polypropylene Plant in Texas. The constant is fabricated from carbon steel, and hot-dipped galvanized for extra protection against corrosion. The vertical movement is 1.5″ total upward travel and is capable of supporting a 10,350 lb. load. The constant underwent standard load testing prior to shipment.

Constant Spring Supports Design and Application Webinar

August 11th, 2016 Comments off
This webinar is over, view the recording in the webinar archives

Constant Spring Support

This Webinar will focus on the different types of constant spring supports. Learn about the special features available, in addition to the design of a constant support. View how the different cam/coil configurations produce a unique response to an applied load. Discover the step by step process used to size a spring for your application. Learn about the different attachments, testing, and installation and maintenance procedures. View examples of failed supports provided by our Field Service Division and learn why they failed and how to prevent it. Gain knowledge of the valuable tips used when deciding to adjust or replace a constant spring support, as well as shutdown and isolation procedures.

The featured presenter, Jerry Godina has over 15 years experience as a pipe support designer and manages PT&P’s engineer training development program. He also inspects existing supports, consults on site remediation projects and oversees installation on a regular basis.

Variable Spring Supports Product Video

August 10th, 2016 Comments off

G-Type Variable Spring Assemblies Designed for an Oil & Gas Refinery in Texas

August 6th, 2016 Comments off

G-Type Variable Spring Assemblies Designed for an Oil & Gas Refinery in Texas

PT&P designed these G-Type variable spring support assemblies, along with a 24” pipe shoe and hanger for an oil and gas refinery in Texas. Each item is designed with a center to center of 36” and an elevation difference up to 72”. The spring supports consists of a G-type variable spring, all threaded rod, clevis, lifting lugs, welding lugs and clevis pins. They are designed with an operating load range from 1,700 lb. to 10,500 lb. and a movement range of .02” to .19” up or down. Standard load and travel testing was completed prior to shipment.

Big Ton Spring Supports Designed for Propane Dehydrogenation Facility

June 27th, 2016 Comments off

Big Ton Spring Supports Designed for Propane De-Hydrogenation Facility

PT&P custom designed big ton spring supports for a propane dehydrogenation facility in Texas. The components within these assemblies include the spring housing, load columns, travel stops, spring coils and lifting lugs. While both assemblies measure 42” x 24” x 26-1/2”, they were each modified based on independent specifications for operating loads and movement. The first will accommodate a load of 94,261 lb. and 0.085” of movement, while the second will accommodate a load of 102,219 lb. with 0.08” of movement.

This type of support is ideal for applications, such as pressure vessels, that combine very heavy loads with thermal expansion because of the stability they provide. The big tons were tested in the load cell to insure proper operation throughout the entire working range of the coils.

Variable Spring Support with Bronzphite® Slide Plates Designed for a Facility in Canada

May 23rd, 2016 Comments off

Variable Spring Support with Bronzphite® Slide Plates Designed for a Facility in Canada

PT&P manufactured these F-type variable spring supports for a facility in Canada. The springs are fabricated from A36 carbon steel with a hot-dipped galvanized finish. The variables installed heights range from 11″ to 15″ and are designed for operating conditions up to 4,000 lb. Bronzphite® is best suited for high loads, low velocity applications and where the use of oil or grease is undesirable or unfeasible. The bronze plate acts as the bearing surface, withstanding heavy loads, while the graphite inserts provide a solid, oil-free lubricant. As with all of our variable supports, these were quality checked with a 100% spring coil deflection test and a load cell calibration to set the assembly at the prescribed installed load.

Constant Spring Supports Product Video

May 9th, 2016 Comments off

U-Type Constant Spring Supports Designed for an LNG Plant in Canada

May 6th, 2016 Comments off

U-Type Constant Spring Supports Designed for an LNG Plant in Canada

PT&P designed U-Type constant spring supports for an LNG plant in Canada. These are horizontal constants designed to support piping from below where the base plate is bolted directly to the top of the steel or the foundation using anchor bolts. These specific constant springs are designed to support an operating load of 67,420 lb. with 6” of total upwards travel. The constants are fabricated from galvanized carbon steel for protection against corrosion. Standard load and travel testing were completed to ensure the quality and performance of these constants.

300 Variable Spring Supports Designed for a Furnace Application at a Methanol Processing Facility

April 25th, 2016 Comments off

300 Variable Spring Supports Designed for a Furnace Application at a Methanol Processing Facility

PT&P designed and fabricated 300 variable spring supports for use in a furnace within a methanol processing facility in Mexico. We manufactured the ”housing” of these variable springs using seamless pipe (in order to prevent the springs’ coils from rubbing against the ”weld seam” of a standard pipe) so that the exact spring rate (+/- 5%) can be calculated without discrepancies or variations. The reason that an accurate spring rate is important is because furnace springs function as a ”scale” in order to determine the weight of the radiant coils within the unit. These springs are coated with red oxide primer to protect against corrosion. We manufactured these furnace spring assemblies for an operating load of 1,036 lb. and a movement up to 8 1/2″. Each spring is traceable to test data and tagged with its’ unique spring rate along with other standard information use for identification.

Pipe Supports and Expansion Joints for Furnace Applications Webinar

April 14th, 2016 Comments off

This webinar is over, view the recording in the webinar archives

Furnace SpringsJoin us for this Webinar focusing on the unique design aspects of pipe supports and expansion joints operating in furnace applications. See how these non-standard designs impact the overall construction and fabrication processes. Learn the differences between standard supports and those specifically used in furnace applications. View the in-depth testing processes and learn what to watch for during inspection and maintenance intervals.

The featured presenter, Jerry Godina has over 15 years experience as a pipe support designer and manages PT&P’s engineer training development program. He also inspects existing supports, consults on site remediation projects and oversees installation on a regular basis.

 

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