Home Pressure Vessel Design Software: COMPRESS, PV Elite & HTRI

Pressure Vessel Design Software: COMPRESS, PV Elite & HTRI

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Roben Manufacturing's engineering group uses industry-standard design software — COMPRESS and PV Elite for pressure vessels and HTRI for thermal design — to produce code-compliant, optimized equipment. These tools accelerate the design cycle and document every calculation, but they are only as good as the engineer driving them, which is why our software work is always grounded in code knowledge and fabrication experience.

Software does not replace engineering judgment; it amplifies it. We use these platforms to evaluate alternatives quickly, to confirm that every pressure-retaining component satisfies ASME rules, and to deliver calculation packages that an Authorized Inspector can review without ambiguity.

Engineering Tools That Document Code Compliance

COMPRESS and PV Elite are widely recognized pressure vessel design programs that implement the rules of ASME Section VIII. We use them to size shells, heads, nozzles, flanges, and supports; to evaluate wind, seismic, and other loads; and to generate the calculation reports that accompany each vessel. The output is a traceable record showing that the design satisfies the code at the stated conditions.

HTRI is the standard for rating and designing heat transfer equipment. We use it to establish the surface area, tube layout, and baffle arrangement of shell-and-tube exchangers and to predict performance across the operating range while respecting allowable pressure drops on both sides of the unit.

Used together, these tools let us iterate efficiently: a change to design pressure, material, or geometry can be evaluated in the software, its effect on weight, cost, and fabrication understood, and the best option selected before any steel is cut. This front-loaded analysis is one reason our equipment is right the first time.

Every software-driven design ends in a documentation package: the calculation reports, the material selections, and the supporting load analyses. That package becomes part of the vessel's permanent record and supports commissioning, inspection, and any future modification.

Why Choose Roben Manufacturing

  • Recognized industry tools. COMPRESS, PV Elite, and HTRI are standards in pressure vessel and heat exchanger engineering, trusted by owners and inspectors alike.
  • Code-anchored calculations. Software output is always tied back to ASME rules, producing calculation packages an Authorized Inspector can review cleanly.
  • Fast, defensible iteration. Design alternatives are evaluated quickly so the optimal configuration is chosen before fabrication begins.
  • Engineering judgment, not just output. Our engineers interpret and validate every result, grounding software work in real fabrication experience.
  • Permanent documentation. Calculation reports become part of the equipment record for commissioning, inspection, and future modification.

Key Features & Capabilities

  • COMPRESS pressure vessel design and code calculation reports
  • PV Elite design for vessels, towers, and exchangers
  • HTRI thermal rating and design of heat transfer equipment
  • Shell, head, nozzle, and flange sizing to ASME Section VIII
  • Wind, seismic, and external-load evaluation
  • Weight and center-of-gravity reporting for lifting and supports
  • Rapid evaluation of design alternatives
  • Calculation packages formatted for Authorized Inspector review
  • Integration of thermal and mechanical results
  • Permanent design documentation for the equipment record

Applications & Industries Served

  • Pressure vessel design for chemical and petrochemical service
  • Heat exchanger thermal rating and mechanical design
  • Tower and column design with load analysis
  • Re-rating and modification of existing equipment
  • Design optimization for weight and cost
  • Documentation packages for code and jurisdictional review

Codes, Standards & Quality Assurance

Roben Manufacturing fabricates under a controlled quality system and holds the ASME U Certificate of Authorization, with registration through the National Board of Boiler and Pressure Vessel Inspectors. Every applicable project is supported by material test reports, qualified welding procedures, nondestructive examination records, and complete documentation.

Relevant standards and resources include: ASME Boiler and Pressure Vessel Certification; TEMA — Tubular Exchanger Manufacturers Association.

Frequently Asked Questions

We use COMPRESS and PV Elite for pressure vessel design and code calculations, both of which implement ASME Section VIII rules.
HTRI is used for thermal rating and design of heat transfer equipment, establishing surface area, tube layout, and baffle arrangement to meet the duty within allowable pressure drops.
No. The software amplifies engineering judgment but does not replace it. Our engineers validate every result and ground each design in code knowledge and fabrication experience.
Yes. COMPRESS and PV Elite evaluate wind, seismic, and other external loads as part of the vessel and support design.
Yes. Calculation reports are part of the documentation package that ships with the equipment and becomes part of its permanent record.
Yes. We can evaluate an existing vessel for new conditions, document the analysis, and advise whether a re-rate is feasible within the code.
By evaluating alternatives before fabrication, we can choose the configuration that meets the duty at the lowest weight and cost, reducing material and labor.
Yes. The packages are formatted so an Authorized Inspector can review the design against the code without ambiguity.
Yes. For heat exchangers, HTRI thermal results feed the mechanical design so the unit meets its duty and satisfies ASME requirements.
Send your process conditions and requirements to our engineering team. Call (732) 364-6000 or email sales@robenmfg.com to begin.

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Contact Roben Mfg., Inc. to discuss your project specifications, timeline, and material requirements.

📞 (732) 364-6000 sales@robenmfg.com 📍 760 Vassar Ave, Lakewood, NJ 08701
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