Blog Category: ASME/MISCELLANEOUS FABRICATION

27' x 16' x 21' Structural Frame for an Offshore Site
October 24, 2003
27' x 16' x 21' Structural Frame for an Offshore Site
27' x 16' x 21' Structural Frame for an Offshore Site
27' x 16' x 21' Structural Frame for an Offshore Site
Base in Fabrication Process
27' x 16' x 21' Structural Frame for an Offshore Site
Structural Base in Painting Phase

27' x 16' x 21' Structural Frame for an Offshore Site

PT&P custom designed and fabricated a 27′ x 16′ x 21′ structural frame to be placed on the sea-bed for an offshore rig. This assembly will be used as an undersea cable support frame, capable of withstanding a load of 600 Kilonewtons (68,000 lbs for each pad). It is constructed of 8 tube-steel, a 10 channel, and a steel plate. The frame will remain stationary on the sea-bed and is designed to endure heavy wave action when lowered to or raised from the sea-bed.

Finite element analysis of the lifting lug on the structure was performed to verify load conditions.  A trial fit-up of bolted sections was also conducted to ensure the structural frame will assemble easily before being placed in position.

Do you require a structural frame for your current or upcoming project? Get pricing today!

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Spray Nozzle Assemblies for a Special Pressure Application
August 15, 2003

Spray Nozzle Assemblies for a Special Pressure Application
Spray Nozzle Assemblies for a Special Pressure Application

Sweco Fab. Inc. recently manufactured 16 injection spray nozzle assemblies from INCO 625 material for a specific pressure application.   Each nozzle is made up of a 1½ S/160 pipe. The quill construction is clog proof and utilizes the turbulence created by its unique design to achieve distribution of the injected liquid into the product flow.

Do you require spray nozzle assemblies as described above? Get pricing today!


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Rotary Valve for a Manufacturing Facility
July 11, 2003

Rotary Valve for a Manufacturing Facility
Rotary Valve for a Manufacturing Facility

Sweco Fab, Inc. recently fabricated a M-1318 Rotary Valve Assembly composed of a stainless steel hopper, double reduction gear, drive cover, and a sprocket & chain drive. The valve is powered by a 1/2 hp, 3 phase electric motor. This particular piece will be used in a plastic processing company. Rotary valves can be fabricated in different assembly formations and can be altered based upon customer needs.

Want to learn more about Sweco Fab and the products manufactured by Sweco? Instantly view a past Sweco webinar now!


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150 PSIG Heat Exchanger for a Chemical Process Research Lab
June 20, 2003
150 PSIG Heat Exchanger for a Chemical Process Research Lab
150 PSIG Heat Exchanger for a Chemical Process Research Lab

Sweco Fab., Inc. recently designed and manufactured a 1 1/2″ diameter heat exchanger for a chemical process research laboratory.  This Heat Exchanger is fabricated from stainless steel, grade 316L, with a maximum allowable working pressure of 150 PSIG at 250°F. It was hydro-tested at 185 PSIG. Heat exchangers are widely used in refineries for multiple applications. Sweco Fab, Inc. can design and fabricate heat exchangers in different sizes and materials as per customer needs.

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30" Diameter Spectacle Blinds for a Petroleum Plant in Texas
May 9, 2003

30" Diameter Spectacle Blinds for a Petroleum Plant in Texas
30" Diameter Spectacle Blinds for a Petroleum Plant in Texas

Sweco Fab, Inc. recently manufactured Spectacle Blinds ranging in size from 28" to 30" for a petroleum plant in Texas. These Spectacle (Figure 8 Blinds) are rated for 300# service, and are fabricated from SA516 carbon steel, grade 70N.

Do you have a need for spectacle blinds in your plant or refinery? Get pricing today!

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58 Large Diameter Floating Rings for a Refinery in Saudi Arabia
April 4, 2003

58 Large Diameter Floating Rings for a Refinery in Saudi Arabia
58 Large Diameter Floating Rings for a Refinery in Saudi Arabia
58 Large Diameter Floating Rings for a Refinery in Saudi Arabia
Welding a Large Diameter Floating Ring
58 Large Diameter Floating Rings for a Refinery in Saudi Arabia
58 Large Diameter Floating Rings

Sweco Fab, Inc. recently designed and fabricated 58 floating rings for a Refinery in Saudi Arabia. Ranging from 40″- 155″ in diameter and 12″- 18″ in height, these rings weigh more than 1,500 lbs. each and are made from SA240-316H stainless steel plate with thickness of 1/2″ – 1 1/2″. All rings are fabricated by Full Penetration Weld and examined by dye penetration test.

Do you require floating rings for your current or future project? Let us price them for you today!
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6′ x 13 ½’ Steel Pipe Support Structure
December 20, 2002
6' x 13 ½' Steel Pipe Support Structure
6' x 13 ½' Steel Pipe Support Structure

This 6′ x 13 ½’ pipe support structure is made of carbon steel and also includes beams, plates, and angles. Several of these structures were made for sites in Texas that convert landfill gas to energy.

Do you see the need for steel pipe support structures in your piping system? Get pricing now!


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Pig Launchers and Receivers for Venezuela
September 20, 2002
Pig Launchers and Receivers for Venezuela
Pig Launchers and Receivers for Venezuela

Sweco Fab, Inc. designed and manufactured pig launchers and receivers for an oil and gas exploration and production company in Venezuela.

The launchers and receivers are designed with a 6 line and 8 barrel at 60 long with a 4 kicker, ¾ in. P.I., 2 vent and drain design per ASME B31.4. They are made to withstand 1480 PSIG at 100ºF and can accommodate 15 pigs. They were painted inside and out per System 6E grey color and included simple skid, MTR, N.D.E., and flange protectors.

Learn about these products and more from our webinar archives!



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Sludge Tank Vent Ducts
August 16, 2002
Sludge Tank Vent Ducts
Sludge Tank Vent Ducts

Sweco Fab, Inc. recently designed and manufactured sludge tank vent ducts for a development project in Chad, Africa.

Due to the thin wall and height of the cylinder shell it was required to add a stiffing ring between the cylinder shell and flange. Each duct was 12 ¼” I.D. x 104 7/8″ high and weighed approximately 96 pounds. They were painted inside and out per System 6E grey color.

Learn more about Sweco Fab, Inc. and it’s products by visiting our webinar archives today!



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4" Pig Launchers and Receivers for a Water Reclamation Plant
June 7, 2002
4" Pig Launchers and Receivers for a Water Reclamation Plant
4" Pig Launchers and Receivers for a Water Reclamation Plant

Sweco Fab, Inc. manufactured 4″ pig launchers and receivers for a water reclamation plant in Savage, Maryland.

These launchers and receivers are to aid in the utilization of an oxidation ditch activated sludge process designed for nitrification / de-nitrification and phosphorous removal. The design consists of components such as T-bolt closures, side outlet tees and 4″, 150-psi flanges with protectors. After being built to ASME, Sect. VIII, Div. 1, the launchers and receivers were shop prime painted to prevent against corrosion.

Need pig launchers and/or receivers? Request a quote today!

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