Jacketed Heat Exchangers

Jacketed heat exchangers are thermal transfer devices featuring external jackets for precise temperature control of the shell or process fluid. These exchangers provide efficient heat transfer between process streams while enabling additional temperature control through the jacket circuit for startup, trim heating/cooling, or enhanced thermal management.

Why are Jacketed Heat Exchangers Needed?

Jacketed heat exchangers provide additional temperature control capability beyond the primary heat exchange function. Jackets enable preheat during startup, temperature trim for precise outlet control, freeze protection, and supplemental heating or cooling when process conditions vary. This flexibility improves process control and operational reliability.

Jacketed Heat Exchangers Applications

Common applications include:

• Process stream heating/cooling
• Temperature trim applications
• Startup heating
• Freeze protection
• Supplemental thermal control
• Multi-fluid heat exchange

Specifications and Characteristics

At Roben, Mfg, Inc., we offer comprehensive options including:

• Shell and tube configurations
• TEMA Class R, C, and B
• Jacket pressures to 300 psig
• Surface areas to 10,000+ sq ft
• Multiple tube pass arrangements

Certifications and Standards

Our jacketed vessels are designed and manufactured in accordance with stringent industry standards:

• ASME Boiler and Pressure Vessel Code: Pressure vessel design and fabrication
• FDA cGMP Guidelines: Pharmaceutical manufacturing compliance
• 3-A Sanitary Standards: Food and dairy equipment
• ISO 9001: Quality management system certification
• PED: Pressure Equipment Directive for European compliance
• ATEX Directive: Explosive atmosphere certification where applicable

Frequently Asked Questions (FAQs)

When are jacketed heat exchangers preferred over standard designs?

Jacketed exchangers are preferred when additional temperature control beyond the primary exchange is needed—such as precise outlet temperature control, startup heating to prevent thermal shock, freeze protection in cold climates, or supplemental capacity for variable operating conditions. The jacket provides independent thermal control.

How do jackets affect heat exchanger performance?

Jackets add heat transfer capability and control flexibility. Jacket contribution to overall heat transfer depends on jacket design, flow rates, and temperature differentials. Thermal modeling determines appropriate jacket sizing to meet supplemental heat transfer requirements without oversizing.

What jacket configurations work with shell and tube exchangers?

Common configurations include full shell jackets, partial jackets on specific sections, and channel head jackets for tube-side fluid temperature control. Jacket design considers thermal expansion, support requirements, and access for tube bundle removal. We design jacket systems for your specific application needs.

Contact Roben, Mfg, Inc.

For more information about our jacketed vessel solutions or to request a quote, please contact Roben, Mfg, Inc. today. Our experienced engineering team utilizes advanced thermal modeling software to optimize jacket designs for your specific heat transfer requirements.

Phone: (732) 364-6000 | Email: sales@robenmfg.com

760 Vassar Ave, Lakewood, NJ 08701