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Dive into the world of pressure vessel description with collection of informative blogs. Explore the intricacies of design, manufacturing, and applications for a wide range of pressure vessels, from industrial boilers to high-pressure reactors.
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A U-Stamp is a certification mark issued by the National Board of Boiler and Pressure Vessel Inspectors (NBBPVI). It signifies that a pressure vessel has been manufactured and inspected in accordance with the rigorous standards outlined in the ASME® Boiler and Pressure Vessel Code...

A centrifugal separator typically consists of a rotating bowl or drum. The fluid mixture is introduced into the bowl, and as the bowl spins, the centrifugal force causes the denser particles to move towards the outer wall, while the lighter fluid remains near the...

Plate and frame heat exchangers are a type of heat exchanger that uses a series of corrugated plates to transfer heat between two fluids. The plates are stacked together, forming narrow channels through which the fluids flow. This design allows for a large heat...

Floating head heat exchangers are a type of shell and tube heat exchanger designed to accommodate thermal expansion and contraction of the tube bundle. This design is particularly useful for high-pressure applications where significant temperature differences can occur between the shell-side and tube-side fluids.

In a fixed tube sheet heat exchanger, one fluid flows through the tubes, while the other fluid flows through the shell. Heat is transferred between the two fluids through the tube walls. The tube sheets are securely fastened to the shell, providing a rigid...

A plate fin heat exchanger consists of a core, which is a stack of corrugated plates, and fins, which are attached to the plates to increase the surface area for heat transfer. One fluid flows through the channels formed by the plates, while the...

Industrial boilers are the beating heart of countless facilities—from chemical plants and refineries to food processing and textile mills. But not all boilers are created equal.

Obtaining a U-Stamp or U2-Stamp from the National Board of Boiler and Pressure Vessel Inspectors (NBBPVI) is a significant achievement for manufacturers and fabricators of pressure vessels and boilers. These certifications signify adherence to rigorous quality, safety, and performance standards.

What is a Three-Phase Separator? A three-phase separator uses gravity to separate produced well fluid into gas, oil, and water phases. Installation of these vessels occurs near the wellhead, and they come in horizontal and vertical configurations. Produced well fluids consist of various amounts...

Microchannel heat exchangers are a type of heat exchanger with channels that have characteristic dimensions in the micrometer range. These tiny channels offer significant advantages in terms of heat transfer efficiency and compact design. In a microchannel heat exchanger, the two fluids flow through...

Fluidized bed boilers (FBBs) use a unique combustion method where solid fuel particles are suspended in an upward flow of air — creating a fluid-like state. This allows for highly efficient combustion at lower temperatures with improved emissions control.

An API storage tank is a large, welded storage tank designed and constructed in accordance with standards developed by the American Petroleum Institute (API).

Sand separators are crucial components in various industries, including oil and gas, water treatment, and manufacturing. They are designed to remove solid particles, such as sand, dirt, and scale, from liquid streams. The choice of sand separator depends on various factors, including the type...

If the S-Stamp is the finish line, the Authorized Inspector (AI) is the gatekeeper holding the stopwatch. Before that stamp ever touches a boiler, inspectors are verifying far more than weld quality or paperwork completeness. They’re answering one critical question:

Filter separators are widely used in various industries to remove solid particles from liquid streams. They are essential for maintaining product quality, protecting downstream equipment, and ensuring efficient processes.

A spiral heat exchanger consists of two spiral-wound channels, one for each fluid. The two channels are separated by a partition, and the fluids flow in opposite directions through the channels. This counter-current flow arrangement maximizes heat transfer efficiency. Spiral heat exchangers are a...

Cyclone separators are a type of mechanical separator that uses centrifugal force to separate solid particles from a gas or liquid stream. They are widely used in various industries, including mining, chemical processing, and environmental engineering.

A vertical separator is a cylindrical vessel that is oriented vertically. When a gas-liquid mixture enters the separator, the heavier liquid phase settles to the bottom, while the lighter gas phase rises to the top. The liquid phase is then drawn off through a...

ASME® BPVC Section II, Part A is a critical reference document for engineers and designers involved in the construction of pressure vessels and boilers. It provides a comprehensive list of ferrous materials suitable for use in these applications.

The difference between the U designation and the UM designation is related to size. However, this is not the only difference between the two. UM designated pressure vessels are not required to undergo the same inspection regimen as the larger, U stamped pressure vessels.

Air-cooled heat exchangers typically consist of a bundle of tubes through which the process fluid flows. Fins are attached to the tubes to increase the surface area for heat transfer. Air is forced or drawn across the finned tubes, removing heat from the process...
Browse Through Our Vessel Information Database Below
Dive into the world of pressure vessel description with collection of informative blogs. Explore the intricacies of design, manufacturing, and applications for a wide range of pressure vessels, from industrial boilers to high-pressure reactors. Gain valuable insights into safety regulations, maintenance best practices, and the latest advancements in pressure vessel technology. Whether you’re an industry professional, a student, or simply curious about these critical components, our blog section offers a wealth of knowledge and resources.
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- See All Articles
- API Tanks
- ASME
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- Dehydration Unit
- Fabrication
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- Piping
- Production Drawings
- Repair and Alteration
- Separators
- Stamps
- Training Videos
- Vessel Knowledge
- Back
- Shell and Tube Heat Exchangers
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- Sand Separators
- Three Phase Separators
- Two Phase Separators
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- Magnetic Separators
- Liquid Separators
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- Joint Review
- U Stamp
- UM Stamp
- PP Stamp
- S Stamp
- U2 Stamp
- H Stamp

A U-Stamp is a certification mark issued by the National Board of Boiler and Pressure Vessel Inspectors (NBBPVI). It signifies that a pressure vessel has been manufactured and inspected in accordance with the rigorous standards outlined in the ASME® Boiler and Pressure Vessel Code...

An S-Stamp is a certification mark issued by the National Board of Boiler and Pressure Vessel Inspectors (NBBPVI). It signifies that a manufacturer is authorized to build and stamp power boilers, which are pressure vessels designed to generate steam for various applications, such as...

Cyclone separators are a type of mechanical separator that uses centrifugal force to separate solid particles from a gas or liquid stream. They are widely used in various industries, including mining, chemical processing, and environmental engineering.

A centrifugal separator typically consists of a rotating bowl or drum. The fluid mixture is introduced into the bowl, and as the bowl spins, the centrifugal force causes the denser particles to move towards the outer wall, while the lighter fluid remains near the...

A horizontal separator is a cylindrical vessel that is oriented horizontally. When a gas-liquid mixture enters the separator, the heavier liquid phase settles to the bottom of the vessel, while the lighter gas phase rises to the top. Horizontal separators are a common type...

Radiographic Testing (RT) is a powerful NDE technique widely used in the manufacturing of pressure vessels and boilers. It involves the use of ionizing radiation to penetrate the material and create an image of internal features.

API 650 is the industry standard for the design and construction of large, field-erected storage tanks that operate at atmospheric pressure or low internal pressures (not exceeding 2.5 psig). These tanks are essential for safely storing crude oil, petroleum products, water, chemicals, and other...

ASME boiler codes can sound intimidating, especially if you’re not an engineer by trade. The good news? You don’t need to memorize the Code to understand the basics. You just need a clear map.

Applicants for new issuance or renewal of an ASME® Certificate(s) of Authorization should be aware that the Joint Review will require implementation and demonstration of their Quality Control Program. The purpose of the demonstration is to have the Applicant provide evidence of their knowledge...
In this must-watch episode, we break down the major updates in the 2025 edition of the ASME Boiler and Pressure Vessel Code (BPVC), released on July 1, 2025, and mandatory starting January 1, 2026. Whether you're a manufacturer, purchaser, designer, inspector, or anyone working...

The ASME® B31.1 Code for Power Piping is a widely recognized standard that provides guidelines for the design, fabrication, and installation of piping systems for power plants. This code ensures the safety and reliability of piping systems by establishing rigorous design and construction standards.

A water-tube boiler is a type of boiler where water circulates inside the tubes, and hot combustion gases flow around the outside of those tubes. This design is ideal for high-pressure applications and large steam outputs, making it the go-to choice for power plants,...

BTEX Condenser Units are essential components of natural gas dehydration processes. These units are designed to capture and condense harmful volatile organic compounds

A UM-Stamp is a certification mark issued by the National Board of Boiler and Pressure Vessel Inspectors (NBBPVI). It authorizes a manufacturer to repair and alter existing pressure vessels and boilers. This certification ensures that repairs and alterations are performed in accordance with the...

If the S-Stamp is the finish line, the Authorized Inspector (AI) is the gatekeeper holding the stopwatch. Before that stamp ever touches a boiler, inspectors are verifying far more than weld quality or paperwork completeness. They’re answering one critical question:

Filter separators are widely used in various industries to remove solid particles from liquid streams. They are essential for maintaining product quality, protecting downstream equipment, and ensuring efficient processes.

In a fixed tube sheet heat exchanger, one fluid flows through the tubes, while the other fluid flows through the shell. Heat is transferred between the two fluids through the tube walls. The tube sheets are securely fastened to the shell, providing a rigid...

Natural gas dehydration is the process of removing water vapor from natural gas. A gas dehydration system is used by oil and gas producers to dehydrate natural gas into a state where it can be sold downstream.

In a horizontal three-phase separator with an overflow weir, fluid enters the vessel through an inlet and immediately hits an inlet diverter. The sudden impact and change of direction helps to release the gas by breaking the surface tension of the liquid.

A three-phase separator is a crucial piece of equipment in the oil and gas industry, designed to separate a mixture of oil, gas, and water into its individual components. The vertical three-phase separator, equipped with a downcomer and spreader, is a particularly efficient design...

Liquid Separators are excellent choices for applications where large slugs of liquids need to be prevented from entering the vacuum pump. Capturing these liquids before they can enter the vacuum pump will reduce pump failure, oil degradation, and production downtime.

A natural draft air cooler typically consists of a tall, tower-like structure with a large number of finned tubes. The hot process fluid flows through the tubes, and the heat is transferred to the surrounding air. The heated air rises due to natural convection,...

