Polyurethane Insulated Filters

A polyurethane insulated filter vessel is a pressure vessel designed to remove particulates, contaminants, or unwanted components from process streams while maintaining controlled temperatures through integrated polyurethane foam insulation. These vessels ensure efficient filtration performance by maintaining optimal fluid properties throughout the filtration process.

Why are Polyurethane Insulated Filters Needed?

Polyurethane insulated filter vessels are critical for filtration applications where temperature affects fluid viscosity and filtration efficiency. Maintaining consistent temperatures ensures predictable pressure drops, optimal flow rates, and efficient particle capture. Insulation also prevents product solidification or crystallization that could blind filter elements.

Polyurethane Insulated Filters Applications

Common applications include:

• Polymer filtration
• Hot oil filtration
• Catalyst recovery
• Wax filtration
• Viscous product filtration
• High-temperature process filtration

Polyurethane Insulated Filters Specifications

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

• Cartridge, bag, and leaf filter designs
• Volumes from 10 gallons to 5,000+ gallons
• Design pressures from vacuum to 1,500 psig
• Quick-opening closures for element access
• CIP and SIP capable designs

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

Polyurethane Insulated Filters Frequently Asked Questions (FAQs)

Why is temperature control important for filter vessels?

Temperature directly affects fluid viscosity, which determines flow rate and pressure drop across filter elements. Maintaining elevated temperatures for viscous products ensures efficient filtration with acceptable cycle times. Polyurethane insulation prevents heat loss during filtration and maintains consistent performance throughout the batch.

What filter element types can be used in insulated vessels?

Our polyurethane insulated filter vessels accommodate all standard element types including cartridges, bags, leaf filters, candle filters, and sintered metal elements. The vessel design is optimized for your specific filtration requirements and element configuration, with appropriate provisions for element changeout and maintenance.

How do you maintain filter element access with insulation?

Filter vessels are designed with removable or hinged insulation sections over access points such as closures and manways. Quick-opening closures allow rapid access to filter elements without disturbing the permanent insulation system. Insulation boots around nozzles maintain thermal performance while allowing instrument and piping connections.

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