Nickel Alloys (Inconel, Hastelloy, Monel) Polyurethane Insulated Pressure Vessels
Nickel alloy polyurethane insulated pressure vessels combine the exceptional corrosion resistance and high-temperature capabilities of nickel-based alloys with the thermal efficiency of polyurethane foam insulation. These vessels are fabricated from alloys such as Inconel, Hastelloy, and Monel for the most demanding corrosive environments and extreme temperature applications.
Why Choose Nickel Alloys (Inconel, Hastelloy, Monel) for Polyurethane Insulated Pressure Vessels?
Nickel alloys are essential for applications where other materials fail due to aggressive corrosion, high temperatures, or combinations of both. The exceptional corrosion resistance of nickel alloys enables processing of materials that would destroy other metals, while their high-temperature strength supports demanding thermal processing applications.
Nickel Alloys (Inconel, Hastelloy, Monel) Polyurethane Insulated Pressure Vessel Applications
Common applications include:
- Aggressive acid service (HCl, HF, H2SO4)
- High-temperature oxidizing environments
- Chlorine and chloride processing
- Fluorine and fluoride processing
- Wet scrubbing of corrosive gases
- Specialty chemical processing
Nickel Alloys (Inconel, Hastelloy, Monel) Specifications and Characteristics
At Roben, Mfg, Inc., we offer comprehensive options including:
- Inconel 600, 625 (nickel-chromium)
- Hastelloy C-276, C-22 (nickel-molybdenum-chromium)
- Hastelloy B-2, B-3 (nickel-molybdenum)
- Monel 400, K-500 (nickel-copper)
- Alloy 20 (iron-nickel-chromium)
Certifications and Standards
Our polyurethane 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
Nickel Alloys (Inconel, Hastelloy, Monel) Polyurethane Insulated Pressure Vessel FAQs
How do you select the appropriate nickel alloy for an application?
Nickel alloy selection depends on the specific corrosive environment. Hastelloy C-276 provides broad resistance to oxidizing and reducing acids. Hastelloy B-type alloys are preferred for pure reducing acids like HCl. Inconel alloys excel in high-temperature oxidizing environments. Monel alloys are ideal for hydrofluoric acid and seawater service.
What special fabrication requirements apply to nickel alloy vessels?
Nickel alloys require careful attention to cleanliness during fabrication to prevent contamination. Low heat input welding procedures are used to minimize segregation and ensure optimal corrosion resistance. Post-weld heat treatment may be required depending on the alloy and service conditions.
Are nickel alloy vessels cost-effective compared to lined vessels?
For highly aggressive environments, solid nickel alloy construction often provides better long-term value than lined alternatives due to superior reliability and longer service life. Cladding options (nickel alloy clad to carbon steel backing) provide a cost-effective alternative for larger vessels where solid construction would be prohibitively expensive.
Contact Roben, Mfg, Inc.
For more information about our polyurethane 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 application requirements.
Phone: (732) 364-6000 | Email: sales@robenmfg.com
760 Vassar Ave, Lakewood, NJ 08701
