Jacketed Heat Exchangers

Jacketed insulated heat exchangers are thermal transfer devices featuring external jackets for temperature control combined with insulation to minimize heat loss to the environment. These exchangers provide efficient heat transfer between process fluids while the insulation maintains thermal efficiency and protects personnel from hot or cold surfaces.

Why are Jacketed Heat Exchangers Needed?

Jacketed insulated heat exchangers maximize thermal efficiency by preventing heat loss from hot exchangers or heat gain into cold exchangers. This improves overall heat recovery, reduces utility consumption, and maintains designed temperature approaches. Insulation is essential for exchangers operating at temperatures significantly different from ambient.

Jacketed Heat Exchangers Applications

Common applications include:

• Process stream heating and cooling
• Heat recovery systems
• Condenser and reboiler service
• Product temperature conditioning
• Steam heating applications
• Thermal fluid systems

Jacketed Heat Exchangers Specifications

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

• Shell and tube, U-tube, and floating head designs
• Surface areas from 10 to 10,000+ square feet
• Shell pressures from vacuum to 3,000 psig
• Tube pressures from vacuum to 5,000 psig
• TEMA Class R, C, and B construction

Certifications and Standards

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

• ASME Section VIII Division 1 & 2: Pressure vessel design and fabrication standards
• ASME Section IX: Welding procedures and qualifications
• NBIC: National Board Inspection Code compliance
• CRN: Canadian Registration Number for Canadian installations
• PED: Pressure Equipment Directive for European Union market
• U Stamp & R Stamp: ASME certification for new construction and repairs

Jacketed Heat Exchangers Frequently Asked Questions (FAQs)

How much does insulation improve heat exchanger efficiency?

Insulation can improve overall thermal efficiency by 5-15% depending on operating temperature and ambient conditions. For high-temperature exchangers, uninsulated shells can lose 10-20% of transferred heat to the environment. Insulation essentially eliminates this loss while providing personnel protection and reducing ambient heat load.

What insulation types are used for heat exchangers?

Common insulation materials include mineral wool, calcium silicate, and cellular glass for high-temperature service, and polyurethane or polyisocyanurate foam for moderate temperatures. Material selection depends on operating temperature, moisture resistance requirements, and mechanical protection needs. All insulation includes appropriate jacketing for protection.

Can existing heat exchangers be retrofitted with insulation?

Yes, insulation can be added to existing heat exchangers to improve efficiency. Field-applied insulation is installed over properly prepared surfaces with appropriate thickness and jacketing. Retrofit insulation provides immediate energy savings and can significantly reduce operating costs for previously uninsulated exchangers.

Contact Roben, Mfg, Inc.

For more information about our jacketed insulated pressure vessel solutions or to request a quote, please contact Roben, Mfg, Inc. today. Our experienced engineering team is ready to assist you in developing the perfect solution for your unique temperature control requirements.

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

760 Vassar Ave, Lakewood, NJ 08701