Variable Springs for a Propane Dehydrogenation Unit in Texas

November 5, 2018

Variable Spring Supports for a Propane Dehydrogenation Unit in Texas

 Type:  Variable Spring Supports
 Size:  Accommodate Elevation Difference up to 11′-5″
 Material:  Carbon Steel | Hot-dipped Galvanized
 Design:  20,000 lb. Load | 4,700 lb./in. Spring Rate

PT&P designed and manufactured over 50 variable spring supports for a propane dehydrogenation unit in Texas. The spring cans, rods, welded beam attachments, turnbuckles and clevises are fabricated from hot-dipped galvanized carbon steel. The variables can accommodate an elevation difference up to 11’-5” from the bottom of the steel to the connection of the pipe. They were designed for an operating load of 20,000 lb., a spring rate of 4,700 lb./in. and 0.007” upward movement. Standard load testing was conducted prior to shipping.

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Hold-Down Pipe Clamps with Slide Plates for LNG Service

October 19, 2018

HD-2 Hold-Down Pipe Clamps with PTFE Slide Plates Designed for an LNG Plant in Australia

 Type:  Hold-Down Pipe Clamps
 Size:  8″ Dia. Pipe
 Material:  Carbon Steel | HDG
 Design:  Up to 400°F Temperatures

PT&P designed and manufactured standard HD-2 hold-down pipe clamps for an LNG plant in Australia. They are fabricated from hot-dipped galvanized carbon steel and include PTFE slide plates. The hold-downs are designed for 8″ diameter pipe and an operating temperature up to 400°F. The HD-2 is a restraint type hold down which allows axial movement while restraining lateral movement.

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Constant Spring Supports Custom Designed for a Power Plant in Egypt

October 9, 2018

Constant Spring Supports Custom Designed for a Main Stream System at a Power Plant in Egypt

 Type:  Constant Springs & Alloy Clamp Assemblies
 Size:  48″ H x 57″ L x 24″ W | 36″ dia. Clamp
 Material:  Carbon Steel | HDG | Alloy
 Design:  1070°F | 7-1/2″ Total Travel | 24,712 lb. Load
 Testing:  Load and Travel Test

PT&P custom designed and manufactured constant spring supports for a main stream system at a power plant in Egypt. The constants include alloy clamps designed for a 900 mm (approximately 36” dia.) pipe. They are 48” H x 57” L x 24” W and designed for an operating temperature of 1070°F, with 7-1/2” total travel from the cold position. The constants are fabricated from A36 carbon steel and include a hot-dip galvanize protective coating. They are designed for an operating load of 24,712 lb. The constants have been modified to accommodate a specialized spring coil and modified casing. Standard travel and load tests were performed prior to shipping.

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F-Type Variable Spring Supports with Graphite Slide Plates Designed for an Oil Refinery

September 24, 2018

F-Type Variable Spring Supports with Graphite Slide Plates Designed for an Oil Refinery

Type: Variable Spring Supports with Graphite Slide Plates
Materials: CS | HDG | High Heat Aluminum Finish | Graphite
Load Range: 420 lb. to 7650 lb. | 0.65″ Upward Movement
Design: 700°F Temperature | Q.C. & Load Tests

PT&P custom designed an F-type variable spring supports with graphite slide plates for an oil refinery in California. Each assembly is equipped with round base plates (instead of the standard square plates), and are designed for temperatures up to 700°F. The spring cans are designed for a load range from 420 lb. to 7,650 lb. and movements up to 0.65” up. They are finished with high heat aluminum due to the temperature requirements. O.C. inspections and load tests were conducted prior to shipment.

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PT&P’s Smart Maintenance Solutions

September 11, 2018
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Over 100 Cryogenic Pipe Supports Designed for a Nitrogen Facility in Colorado

September 10, 2018

Over 100 Cryogenic Pipe Supports Designed for a Nitrogen Facility in Colorado

Type: Pre-insulated Pipe Supports “Cold Shoes”
Material: CS | Red Oxide Primer | PUF Insulation
Size Range: 1/2″ – 6″ Thick Insulation | 1″ – 18″ Dia.
Design: -300°F Temperature | Lateral Restraints / Guides

PT&P custom designed more than one-hundred cryogenic pipe supports for a nitrogen facility in Colorado. The cold shoes are designed for pipe sizes ranging from 1″ to 18” diameter. They are designed with polyurethane insulation ranging from ½” to 5” thick. The clamps are carbon steel and coated with a red oxide finish. The cold shoes are designed as lateral restraints/guides that can support loads in two directions. Standard quality control tests were performed with a 6-8 week turn-around time.

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Pre-Insulated Pipe Supports for High Temperatures at a Phenol Plant in Texas

August 27, 2018

Pre-Insulated Pipe Supports for High Temperatures at a Phenol Plant in Texas

Type:  Insulated Pipe Supports “Hot Shoes”
Material:  HDG CS | Calcium Silicate Insulation
Size:  6″ Thick x 4″ Width Insulation | 48″ Dia.
Design:  1,200°F Temperature | 7,000 lb. Load

PT&P manufactured 48” diameter pre-insulated pipe supports for a high temperature pipeline at a phenol plant in Texas. These hot shoes are designed for pipe sizes up to 48” in diameter. They include 6” thick by 4” width calcium silicate insulation, hot-dipped galvanized steel, and are designed for a load of 7,000 lb. This order consisted of six different types of supports such as variable assemblies, constant support assemblies, sway struts, and pre-insulated pipe supports. Standard quality tests were performed prior to shipment.

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Cryogenic Supports with Micarta® Insulation for a LNG Facility in Australia

August 20, 2018

Cryogenic Supports with Micarta® Insulation for a LNG Facility in Australia

Type:  Insulated Pipe Supports “Cold Shoes”
Material:  CS | 304L SS | Micarta® Insulation
Size Ranges:  12-18″ L | 6-15″ W | 6-40″ H | 8-24″ Dia.
Design:  -320°F | Testing: PMI | Q.C. | MTR’s Provided

PT&P custom designed insulated supports for a cryogenic pipeline at an LNG facility in Australia. They are fabricated with 304L stainless steel plates and Micarta® G-10 insulation. Micarta® is designed to prevent LNG temperatures of -320°F from transferring to the base and surrounding pipe rack steel. The base plates are fabricated from carbon steel. These pipe saddles are designed to support pipes with dimensions ranging from 12”-18” in length, 6”-15” in width and 6”-40” in height. The nominal pipe size range is 8”-24” diameter. MTR’s were provided and non-destructive testing (PMI) was preformed, along with standard Q.C. inspection prior to shipment.

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Compact Disc Spring Supports Designed for an Oil Refinery

August 6, 2018

Compact Spring Supports Designed for 9k Load at an Oil Refinery

Type: Compact Spring Supports
Material: Carbon Steel w/ Hot-Dipped Galvanized (HDG)
Design: 9,000 lb. Load | +/-0.125″ Vertical Movement
Testing: Load Testing

PT&P custom designed a total of 76 compact spring supports for an oil refinery in India. The housing is fabricated from A-36 carbon steel and hot-dipped galvanized to protect against corrosion. The “disc springs” are engineered using stainless steel Belleville washers, and are designed for large loads with small movements. They are 3” high, designed to support a load of 9000 lb. and movement of +/-.125” (upward). Each assembly underwent load testing prior to shipment.

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Variable Springs Designed for a High Temperature Furnace Application

July 23, 2018

PT&P Custom Designed Furnace Spring Support Cans For Chemical Plant

Type: Variable Spring Supports – Furnace
Material: Carbon Steel w/ Red Oxide Primer
Design: 1,261 lb. Load | 9″ Vertical
Testing: Load and Travel Tests

PT&P custom designed and fabricated variable spring supports for a furnace application at a chemical plant in California. The furnace cans are carbon steel and painted with red oxide primer to avoid any potential hazards, where exposed to high temperatures. The springs are designed for an operating load of 1,261 lb., with movement of 9” and dimensions of 6″ x 52″ in length. Load tests were performed prior to a 12-14 week shipment.

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