Fiberglass Insulated Pressure Vessels

Fiberglass insulated pressure vessels utilize glass fiber insulation to provide cost-effective thermal protection for moderate-temperature industrial applications. Fiberglass insulation is manufactured by drawing molten glass into fine fibers, creating a lightweight insulation material with excellent thermal resistance and chemical stability.

Why Choose Fiberglass for Pressure Vessel Insulation?

Fiberglass insulation is widely specified for pressure vessel applications up to 850°F due to its excellent thermal performance, low cost, and ease of installation. It provides reliable thermal protection for process equipment, storage tanks, and piping systems while meeting fire safety requirements. Fiberglass remains dimensionally stable and maintains thermal properties over extended service life.

Fiberglass Insulated Pressure Vessel Applications

Common applications include:

  • Moderate-temperature process vessels
  • HVAC equipment and ductwork
  • Hot water storage tanks
  • Industrial piping systems
  • Chemical storage tanks
  • Food processing equipment

Fiberglass Insulation Specifications and Characteristics

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

  • Temperature range: Up to 850°F (450°C)
  • Thermal conductivity: 0.23-0.27 BTU·in/hr·ft²·°F at mean temp
  • Density range: 0.75-6 lb/ft³
  • Non-combustible glass fibers
  • Available in blankets, boards, and pipe sections

Certifications and Standards

Our thermal 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
  • ASTM Standards: Insulation material specifications and testing
  • NBIC: National Board Inspection Code compliance
  • CRN: Canadian Registration Number for Canadian installations
  • U Stamp & R Stamp: ASME certification for new construction and repairs

Fiberglass Insulated Pressure Vessel Frequently Asked Questions (FAQs)

What is the maximum temperature for fiberglass insulation?

Standard fiberglass insulation is suitable for continuous service temperatures up to 450°F (230°C), with high-temperature grades available for service up to 850°F (450°C). Above these temperatures, mineral wool, calcium silicate, or ceramic fiber insulation is recommended. Always verify the specific product temperature rating for your application.

How does fiberglass compare to mineral wool in cost?

Fiberglass insulation is generally more economical than mineral wool, particularly for moderate-temperature applications. The cost advantage comes from lower material costs and easier fabrication. However, for high-temperature applications exceeding fiberglass temperature limits, mineral wool provides the necessary thermal capability despite higher cost.

Is fiberglass insulation suitable for outdoor installations?

Fiberglass requires protective jacketing for outdoor installations to prevent moisture absorption and UV degradation. Properly jacketed fiberglass provides excellent long-term performance outdoors. For applications with significant moisture exposure or condensation potential, closed-cell insulation materials may be preferred.

Contact Roben, Mfg, Inc.

For more information about our thermal 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 selecting the optimal insulation system for your specific temperature control requirements.

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

760 Vassar Ave, Lakewood, NJ 08701

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