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Spectacle Blinds for Upstream Crude Reservoir Heavy Oil Development
January 26, 2022

Spectacle Blinds Fabricated For Upstream Crude Reservoir Heavy Oil Development Project In The Middle East (Kuwait)

Sweco Fab, Inc., a division of PT&P, fabricated a variety of spectacle blinds for a leading solutions provider. The spectacle blinds are fabricated from A516-70 carbon steel and coated with PTFE, 25% glass-filled material. The pipe sizes ranged from 2″ to 20″ diameter and all blinds were fabricated per ASME B16.48 code. The function of a spectacle blind is to allow a line to be in either full shut-off mode or full flow mode, depending on which side is being utilized.

Spectacle blinds can be made of various materials such as carbon steel (ASTM A105), stainless steel (ASTM A182 F304, F304L, F304H, F316, F316L), alloy steel (ASTM A182 F1, F11, F22,), duplex Stainless steel (UNS S31803, UNS S32750), nickel alloys (Monel 400 & 500, Inconel 600 & 625, Incoloy 800, 825, Hastelloy C22, C276), and copper alloys (copper, brass & gunmetal). PT&P has manufacturing capabilities to handle multiple materials in our facility and our engineering teams have deep experience in designing with them (View section on Metallurgy).

In this application, the line blinds and spacers are coated with Fluoropolymer Coatings which allow for lubrication and controlled friction, wear resistance, heat resistance, nonstick and release properties, and corrosion protection. The coating enables a smooth, hard, slick coating that provides excellent corrosion and chemical resistance. Other benefits of fluoropolymer coatings include reduced friction, resistance to galling, non-stick, non-wetting, electrical resistance, and abrasion resistance. Spectacle blinds are a lower-cost alternative to double block and bleed valves where OSHA requires positive isolation of piping segments for safety reasons. Spectacle blinds are installed in the inlet and outlet of static and rotary equipment, in bypass lines, at unit battery limit, and where double isolation is required for high-pressure lines.

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Sway Strut Assemblies Designed for an 8,000 lb. Load at an LNG Train
January 11, 2022

Sway Strut Assemblies Designed For An 8,000 Lb. Load At An Lng Train

PT&P manufactured sway struts for one of the largest LNG (Liquefied Natural Gas) operations in the world. LNG, considered a “Clean Energy” and recognized as the cleanest fossil fuel, is used in several ways in our daily lives for heating, cooking, and generating electricity. LNG is also used commercially to manufacture products like fertilizers, paper, glass, clothing, food processing, medicines, commercial vehicles in addition to generating electricity. The use of LNG helps to reduce greenhouse gas emissions which helps to combat global warming. Piping Technology & Products manufactures sway struts for use in a wide range of applications in power, refineries, chemical, and solar plants to restrain movement in tension (or X plane) while allowing lateral movement (in the Y and Z plane). These Fig. 2100-F sway struts are designed with 4″ adjustment for loads up to 8,000 lb. The pins are fabricated from high alloy steel for added strength and the threaded rod ends are carbon steel and hot-dipped galvanized. The sway strut body was hot-dipped galvanized after the donut and pipe were welded. The rod ends and end brackets were galvanized a second time for added corrosion resistance after the holes for the IKO bearings and pins were enlarged to fit these component parts. The C-C dimensions are 42-1/4″, 41-1/2″, and 28″. A quality control inspection involving thread engagement and overall visual inspection was completed before shipment. In addition to sway struts, we have supplied over 3 million supports to LNG plants all over the world. PT&P has been a key supplier in LNG piping systems for almost every operator today.

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High Temperature Insulated Supports for an HP Steam Header
January 4, 2022

Ptp Hot Shoes 150370

Type: Pre-Insulated Pipe Supports for High Temperatures “Hot Shoes”
Size: 2″ – 12″ dia. | 12″, 15″, 18″ Long | 4″ and 6″ BOP
Material: Carbon Steel | Thin Blanket Insulation | High-Density Calcium Silicate
Testing: Standard Q.C. Inspection | ANSYS Simulation

Piping Technology & Products custom-designed and fabricated pre-insulated pipe supports for a high-temperature application in an HP Steam Header located in Texas. Pre-insulated supports such as these are used in several applications ranging from semiconductor plants (addressing the current computer chip shortage) to high-temperature pipelines within plants that produce biofuels and solar power. These hot shoes range in size from 2″ to 12″ in diameter and are 12″, 15″ and 18″ long, with BOP of 4″ and 6″. The supports include a thin blanket insulation used in combination with a high-density calcium silicate insulation material. Utilizing the blanket insulation in combination with the high-density calcium silicate insulation material helped to reduce the overall costs, increased the K-factor, while also reducing the weight of these supports. We custom designed these supports using ANSYS engineering simulation for temperatures up to 844°F with an operating load up to 17,965 lb. at 732 psig. A total of 95 supports were manufactured for this project, including pipe hangers, pipe shoes with insulation and trunnion supports, as well as pipe shoe clamps without insulation. All supports were visually inspected by our Quality Control department. Piping Technology & Products offers excellent manufacturing expertise and our sister company, Pipe Shields Inc., has the engineering design and experience to assist in the development of custom pre-insulated supports or advise which of our many different supports contained in our new catalog is best for your next major project.

 

PT&P REF. ORIGINAL POST 05302017

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