Cable Tray Support Rack Fabricated for a Groundwater Remediation

August 30, 2021

Cable Tray Support Rack Fabricated for a Groundwater Remediation

PT&P provided a cable tray support rack to a groundwater treatment facility in California. Groundwater remediation is a process whereby groundwater is purified by removing pollutants and containments rendering the water useful for crop irrigation and industrial processes. Groundwater remediation techniques can include but are not limited to, oxygen gas injection, dual-phase extraction, membrane separation, carbon absorption, and chemical oxidation. Cable trays, used in this facility, were designed to suspend electrical cables, wiring, and small-bore piping throughout the facility. Cable trays are also used in biochemical plants, solar power plants, sports stadiums, green energy plants, as well as, traditional plants such as petroleum refineries, chemical and coal-fired power plants. As a general rule, cable trays protect and carry cable and wiring from point “A” to “B” inside the facility.

This section of cable tray in the photograph (blue in color) is 25’ long, 7’ wide, and 11’ tall completely assembled. It is fabricated from carbon steel and painted with a highly chemically resistant epoxy mastic designed for immersion conditions to protect against corrosion in marine or industrial conditions. PT&P can fabricate any combination of instrument stands and structural supports from floor mounts, wall mounts to secondary supports, and more. In addition, we have the capabilities to do what few other structural fabricators can do including:

– Complete Engineering designs including FEA (Ansys) and Structural Engineering (STAAD)
– Load Testing
– Incorporation of Contact Corrosion Solutions including TPI (half-round thermoplastic) and FRP
– Incorporation of Vibration Control Solutions
– Ability to fabricate with a wide variety of metals including all grades of Stainless and Nickel Super Alloys

PT&P has worked on and is working on some of the largest water remediation projects in the US where we have supplied expansion joints, variables, fire protection insulated supports, and structural pipe supports. Our ASME shop is large, local to the United States, and includes heavy-duty equipment and specially trained personnel with over 45 years of experience making this division of PT&P ideal for large-scale projects such as this structural support as we can leverage our massive manufacturing scale and expertise.

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Pipe Rollers for an Environmental Remediation Project

June 7, 2021

Pipe Roller Assemblies for an Environmental Remediation Project

These pipe rollers were designed for pipelines in an environmental remediation project. These rollers can also be used in conjunction with piping on bridges, landfill gas equipment, including oil-water & moisture separators, SVE systems, candlestick flares, blower packages, drainage systems, and many other infrastructure projects. The rollers are fabricated from cast iron, with a carbon steel frame, rods, and nuts. The units are designed for 14″, 18″, and 24″ pipe sizes and 5,000 to 7,200 lb. operating load. The rollers are designed to include 1-1/2″ thick insulation, and the size is selected to include the pipe covering saddle for the insulation. Standard quality control tests were performed prior to shipment. Roller hangers are used for the suspension of pipe from a single rod where axial movement may occur because of expansion or contraction.

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Fabricated Duct Work Transition Pieces for Polyethylene Dust in a Chemical Plant

March 30, 2020

 


Fabricated Duct Work Transition Pieces for Polyethylene Dust in a Chemical Plant

Type: Duct Work Transition Pieces
Size: 10” NPS | 15″ Length | 13-1/2″ SQ Flange End
Material: Carbon Steel  | 3-Coat Paint System
Test: QC Inspections | 100% Dye-Penetrant Exam

Sweco Fab., a division of PT&P custom designed multiple duct work transition pieces for polyethylene dust at a chemical plant in Louisiana. The units are fabricated from carbon steel and include a 3- coat paint system on the outside, with a light grey finish. The dimensions are 15” length, 13-1/2” SQ flange end, and 10” NPS at the other end. Transition pieces are normally used to join duct work of dissimilar cross-sections and sizes. Media passing through the transition piece can be air, liquid, gasses, dust, dirt, chemicals, etc. Prior to shipment, each of the units underwent quality control inspections including 100% dye-penetrant examination.

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Custom Manifolds Designed for a Polyethylene Facility

October 29, 2019

 

Custom Manifolds with Globe and Gate Valves Designed for a Polyethylene Facility

Type: Custom Manifolds with Globe and Gate Valves
Size: 72” Height | 1″ x 1-1/2″ | 1″ x 2”
Material: SA-105 | SA-106B | SA-36
Testing: 100% Dimensional | Inspection Q.C. Inspection
NDE(RT,PT) Hardness | Hydro-test @ 430 PSIG

PT&P supplied 41 custom manifolds with globe and gate valves to a manufacturing complex in La Porte, Texas. The manifolds were installed in a hot water tracing supply and return system at a high-density polyethylene (HDPE) facility. Each manifold was welded to the exact specifications listed on the production drawing developed. The body was fabricated from 2” and 1” seamless XS pipe. The ports were FNPT and flange connection for field installation. All Manifolds were supplied with welded brackets and vertical support stands. The material used for the valves and flanges were SA-105, pipe SA -106B, and the supports are manufactured from SA-36. The overall height is 72″, and the dimensions are 1″ branches x 1-1/2″ run line and 1″ branches x 2″ run line. Inspection and Q.C. tests were performed by an internal and TPI team including 100 % dimensional inspection, NDE(RT,PT), hardness, and hydro-test at 430 PSIG.

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Pig Launchers and Receivers Custom Designed for a Chemical Plant

September 24, 2019

 

Pig Launchers and Receivers Custom Designed for a Chemical Plant

Type: Pig Launchers & Receivers
Size: 4-14” Diameter | 72-98″ Long | 48″ Tall Stands
Material: 316 L SS | SA 106-B | SA-105
Design: Operating Temperature: 221°F
Operating Pressure of 117, up to 205 PSI

PT&P ‘s Sweco Fab division custom designed and manufactured pig launchers and receivers for a chemical plant in Saudi Arabia. A pig launcher is a pressurized container used to shoot a cleaning device (called a “pig”) through the pipeline to perform a variety of functions including cleaning, monitoring, and maintenance of the pipe. They are fabricated from stainless steel 316 L, SA 106-B, and SA -105. Dimensions for these pig launchers and receivers are 4”, 6”, 8”, 10”, 14” diameter and range from 72” to 98” long. They are mounted on 48” tall stands. They are designed for an operating temperature of 221°F with an operating pressure of 117, up to 205 PSI.

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Bellmouth Reducers & Custom Pipe Spools Designed for an Ammonia Plant

August 26, 2019

 

Bellmouth Reducers & Custom Pipe Spools Designed for an Ammonia Plant

Type: Bellmouth Reducers, Ring Flanges, Pipe Spool Elbows
Size: 36” NPS | Opened to 48″ NPS
Material: Carbon Steel  | 304 Stainless Steel
Design: 150°F | 150 PSI Operating Pressure

PT&P designed and manufactured bellmouth reducers, ring flanges and custom pipe spool elbows for an Ammonia Plant in Texas. Bellmouth reducers are a single piece component used to transition a large outside diameter into a smaller outside diameter piping. These reducers are used in the cooling process; the shape allows for drawing in maximum amounts of air while preventing loss. The bellmouths are fabricated from carbon steel and 304 stainless steel. They are designed for operating temperatures of 150°F with an operating pressure of 150 PSI. Dimensions are 36” NPS opened to 48” bellmouth. Tests that were performed are spot x-ray, visual and dimensional, PMI-alloys and stainless steel.

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Personnel Protection Shields Designed for a Power Plant

July 8, 2019

 

Personnel Protection Shields Designed for a Power Plant

Type: Personnel Protection Shields
Size: 8″ Dia. | Up to 36″ Lengths
Material: Galvanized Carbon Steel
Design: 1050°F Operating Temperature

PT&P custom designed these personnel protection shields for a power plant in Wyoming. The personnel protection shields are used when insulating the line is not necessary, but operating temperatures require safeguarding personnel from coming into contact with the pipe. These shields are designed for an 8” diameter pipe operating at 1050°F. They are fabricated from carbon steel and range in lengths up to 36”.

View PDF

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Closure Flange Support Hinges for Supporting Medium to Heavy Duty Blind Flanges

January 28, 2019
Permanent and Removable Hinges for Supporting a Medium to Heavy Duty Blind Flange
Closure Flange Support Hinges for Supporting Medium to Heavy Duty Blind Flanges

Presently, blind flanges are used to provide an airtight cover to various piping systems that include pipelines in the oil industry, heat exchangers, ships, tanks, etc.

Routine maintenance requires the heavy duty blind flange to be removed for cleaning and repairs. However, for these types of flanges, it is quite difficult to disassemble, clean and repair. It typically requires employing a forklift, crane, or other lifting devices. This can require excessive man-hours, and the alignment of the flanges can remain unpredictable.

PT&P introduced a closure flange hinge with specially designed self‐locking bolts and two self-lubricated hinge studs to support the blind flange when all the fastening bolts are removed for maintenance or replacement. The blind flange can be opened like a “door” with little effort. Our product opens up to 180 degrees, providing full accessibility to work on the pipeline, heat exchanger, or other equipment.

To solve the issues, PT&P invented two versions of closure flange hinges for blind flanges: temporary / removable hinge and permanent / fixed hinge

Portable hinges project amount   Portable hinge close up

PT&P recently designed 159 permanent and removable hinges for up to 72″ diameters, We can accommodate for larger sizes upon request.

View PDF Handout on Closure Flange Support Hinges

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Personnel Protection Shields, Designed and Fabricated by PT&P for a Local Refinery

January 14, 2019

Personnel Protection Shields, Designed and Fabricated by PT&P for a Local Refinery

View PDF on Personnel Protection Shields

Type: Personnel Protection Shields
Size: 11″ Dia. | Up to 48″ Lengths
Material: Carbon Steel | 2-Coat Paint System
Design: Operating Temps. Require Safeguarding Personnel

PT&P custom designed, fabricated and provided installation oversight for sixty-five personnel protection shields for a refinery in Texas. The personnel protection shields are used when insulating the line is not necessary, but operating temperatures require safeguarding personnel from coming into contact with the pipe. These shields are fabricated from carbon steel with a two-coat paint system. They are 11” diameter, and range in lengths up to 48”.

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Bulletproof Protection Shield (Critical Defense Product)

May 23, 2018

Bulletproof Protection Shield (Critical Defense Product)

  • Cost effective and easy to move
  • Compact function for storing
  • Minimal set-up for convenient access
  • Includes bulletproof riot shields
  • No maintenance required

PT&P designed and fabricated a full coverage bulletproof shield for an company in Texas. This critical defense product is cost effective, easy to move, can compact to store, and is convenient to access in a moment’s notice. Each unit includes four bulletproof riot shields conveniently stored in the slots provided. We hope the need never arises; however, this safety product is suited for pubic spaces such as schools, churches, concerts, public events, government agencies and functions. The function allows it to cover a doorway providing safety to inhabitants, allows for mobility and to exit safely from a unforeseen situation.

View video on this products’ function

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