Large Tube Sheets
Custom tube sheets for shell-and-tube heat exchangers, including large-diameter plates requiring CNC drilling, facing, deep-hole machining, and clad-plate processing.
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Pressure Vessel Components
Pressure Vessel & Heat Exchanger Manufacturing
Custom Pressure Vessel & Heat Exchanger Components
Openex manufactures large custom components for pressure vessels, heat exchangers, chemical reactors, and other process equipment. Our scope includes tube sheets, vessel shells, vessel heads, baffle plates, reactor shells, large flanges, and rolled welded cylinders, with fabrication, welding, machining, heat treatment, and inspection coordinated to the project requirements.
Large Components
Heavy fabricated and machined components for industrial pressure equipment and process systems.
Fabrication + Machining
Welding, forming, heat treatment, CNC machining, and inspection can be coordinated within the manufacturing process.
Project-Specific QA
Inspection and documentation are planned around drawings, material specifications, codes, and customer requirements.
Component Portfolio
Pressure Vessel & Heat Exchanger Components
Select a component below to review its manufacturing scope, materials, machining requirements, inspection considerations, and typical applications.
Heat Exchanger Shells
Large shell sections manufactured from heavy plate using plate rolling, longitudinal and circumferential welding, heat treatment, and applicable weld inspection.
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Pressure Vessel Heads
Large elliptical, torispherical, and hemispherical vessel heads fabricated and machined from carbon steel, stainless steel, and other specified materials.
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Baffle Plates & Support Plates
CNC-cut and machined baffle plates, support plates, and internal components for heat exchangers and other process equipment.
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Chemical Reactor Shells
Heavy fabricated reactor shells and process-equipment components manufactured from specified stainless steels, duplex grades, titanium, and nickel-based alloys.
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Large Flanges
Large custom flanges and machined rings produced with heavy vertical turning, precision facing, drilling, and dimensional inspection.
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Rolled Welded Cylinders
Large rolled and welded cylinders for pressure vessels, industrial equipment, ductwork, and process systems, subject to project-specific diameter and thickness requirements.
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Manufacturing Capabilities
From Heavy Fabrication to Precision Machining
Pressure vessel and heat exchanger components often require more than one manufacturing process. Openex coordinates forming, welding, heat treatment, machining, and inspection according to the component design and applicable specification.
Heavy Plate Rolling
Rolling of thick plate into large cylindrical and conical sections for vessel shells, cylinders, and process equipment.
Heavy Welding
Large-scale welding and fabrication for pressure-containing and structural components, with welding procedures and inspection based on project requirements.
Large CNC Machining
Heavy CNC turning, milling, drilling, boring, and facing for large flanges, tube sheets, vessel components, and machined interfaces.
Heat Treatment & PWHT
Stress-relief and post-weld heat treatment where required by material, design, code, or customer specification.
Dimensional Inspection
Dimensional verification using appropriate inspection equipment and methods for large fabricated and machined components.
Non-Destructive Testing
Project-specific NDT such as UT, RT, MT/MPI, and PT can be incorporated into the inspection plan where applicable.
Materials
Materials for Pressure Equipment Components
Material selection depends on pressure, temperature, corrosion conditions, design requirements, welding procedure, and the applicable specification. Openex can manufacture components from a range of engineering materials specified by the customer.
- ✓ Carbon and low-alloy steels
- ✓ Stainless steels
- ✓ Duplex and super-duplex stainless steels
- ✓ Nickel-based alloys
- ✓ Titanium and other specified alloys
- ✓ Clad and corrosion-resistant plate
Applications
Where These Components Are Used
These components are used in industrial process equipment where dimensional accuracy, material traceability, welding quality, and inspection documentation are important parts of the manufacturing specification.
Shell-and-tube heat exchangers
Pressure vessels
Chemical reactors
Process equipment
Oil and gas equipment
Petrochemical equipment
Power-generation equipment
Marine and offshore process systems
Quality & Inspection
Inspection Planned Around the Manufacturing Specification
Pressure vessel and heat exchanger components require inspection appropriate to their material, geometry, welds, machining requirements, and applicable specification. Openex can coordinate dimensional inspection and applicable non-destructive testing as part of the manufacturing and quality-control process.
Ultrasonic Testing
UT for applicable welds, plates, forgings, and machined components according to the inspection specification.
Radiographic Testing
RT where required by the applicable weld inspection plan or project specification.
Surface NDT
Magnetic particle or penetrant testing can be applied where required for welds, surfaces, or critical areas.
Dimensional Inspection
Critical dimensions, interfaces, flatness, hole patterns, alignment, and other specified tolerances can be verified.
Request a Manufacturing Review
Send Your Pressure Vessel Component Drawings
For a technical quotation, send the available drawings and specifications to our engineering team. We can review the component geometry, material, fabrication requirements, machining scope, inspection requirements, and production quantity before preparing a manufacturing proposal.
Send Drawings for ReviewInformation to Include
- ✓ Part or assembly drawings
- ✓ Material grade and material specification
- ✓ Overall dimensions and weight
- ✓ Wall or plate thickness
- ✓ Welding and fabrication requirements
- ✓ Machining tolerances and critical dimensions
- ✓ Applicable design or manufacturing code
- ✓ Required inspection, NDT, testing, and documentation
Frequently Asked Questions
Pressure Vessel Component Manufacturing FAQ
What pressure vessel components does Openex manufacture? +
Openex manufactures custom pressure vessel and heat exchanger components including large tube sheets, heat exchanger shells, vessel heads, baffle and support plates, chemical reactor shells, large flanges, and rolled welded cylinders.
Can Openex manufacture large custom tube sheets? +
Yes. Openex manufactures custom tube sheets for heat exchangers and related process equipment. Depending on the design, manufacturing can include plate preparation, CNC facing, deep-hole drilling, machining, dimensional inspection, and applicable NDT.
What materials can be used for pressure vessel components? +
Material selection depends on the engineering specification and service conditions. Materials may include carbon and low-alloy steels, stainless steels, duplex and super-duplex stainless steels, nickel-based alloys, titanium, and clad or corrosion-resistant plate.
Can pressure vessel components be welded and machined by one manufacturer? +
Openex provides integrated fabrication and machining capabilities, allowing large fabricated components to proceed through welding, heat treatment where required, CNC machining, inspection, and other manufacturing stages within the same manufacturing organization.
What inspection and NDT can be included? +
Inspection requirements are project-specific. Depending on the component and applicable specification, inspection may include dimensional inspection, ultrasonic testing (UT), radiographic testing (RT), magnetic particle inspection (MPI/MT), penetrant testing (PT), and material or weld documentation.
What information should I provide for a pressure vessel component quotation? +
The most useful information includes drawings, material grade, dimensions, thickness, estimated weight, machining tolerances, welding requirements, applicable codes or standards, inspection requirements, and the required quantity or production schedule.
OEM & Contract Manufacturing
Have a Large Pressure Vessel Component to Manufacture?
Send your drawings, material specifications, dimensions, and inspection requirements. Our engineering team can review the manufacturing scope and determine the appropriate fabrication, machining, and inspection process for your component.