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Vorisolierte PIR-Luftleitungen

PIR Pre-insulated Duct vs. G.I. Duct

Unterschiede und Anwendungsbereiche von PIR-vorisolierten und GI-Lüftungskanälen

When designing an HVAC duct system, PIR pre-insulated ducts and galvanized iron (G.I.) ducts are two widely used solutions for HVAC applications. While both can provide reliable air distribution, they have significant differences in insulation performance, weight, pressure resistance, installation requirements, and application scenarios. PIR Pre-insulated Duct   vs. G.I. Duct: At a Glance Feature PIR […]
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PIR Phenolic Pre Insulated Duct Panels and Sealing Solutions

PIR/Phenol-vorisolierte Kanalpaneele und Dichtungslösungen

For all HVAC ventilation projects, core material density, aluminum foil facing protection grade and full sealing kits collectively govern the overall performance of PIR/Phenolic Pre-insulated duct panels. Therefore, a well-engineered pre-insulated duct system can greatly extend the service lifespan of the entire ventilation pipeline. To meet such strict performance standards, GFI manufactures core lines of […]
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Pre Insulated Duct Panel Thickness Selection Guide

Leitfaden zur Auswahl der Dicke von vorisolierten Kanalpaneelen

Improper selection of the thickness for pre-insulated duct panels can easily lead to problems such as condensation, increased airflow noise, and excessive cooling loss. GFI has compiled reference standards for PID panels thickness selection in four major scenarios“shopping malls, hospitals, factories, and equipment rooms” based on airflow velocity conditions. PID Model Selection Note：This table applies […]
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GFI Standard Sealed Molded PIR Pre-insulated Duct Panel

Was verursacht Kondensation an PIR/PU-vorisolierten Lüftungskanälen?

Condensation and water dripping on ductwork are prevalent issues in commercial HVAC projects. Many clients hold the misconception that PIR/PU insulated panels alone can fully prevent condensation. In reality, material selection, installation workmanship, sealing details and ambient humidity all directly trigger surface sweating and dripping on ducts. This problem is especially severe in coastal, tropical and […]
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Applications of PIR Duct Materials in Commercial Buildings

Applications of PIR Duct Materials in Commercial Buildings

As modern commercial buildings place higher demands on energy efficiency, environmental performance, and installation efficiency, PIR pre-insulated duct (Polyisocyanurate duct) materials are becoming increasingly popular in HVAC systems. Compared with traditional galvanized iron (GI) duct systems with external insulation, PIR duct materials provide better thermal insulation, lighter weight, and higher system integration, helping improve the overall operating efficiency of […]
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