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Overview EN ISO 12759-5:2021 - Fans: Efficiency classification for fans - Part 5: Jet fans defines a standardized way to classify the efficiency of jet fans. It covers all jet fan types driven by mot…
Overview EN ISO 12759-4:2019 - "Fans - Efficiency classification for fans - Part 4: Driven fans at maximum operating speed" is a CEN-endorsed ISO standard that establishes a system for classifying th…
What is ISO 12759 - Efficiency classification for fans about? ISO 12759 provides industrial guidance on fan efficiency classification for all fan types driven by motors with an electrical input power…
Overview ISO 12759-2:2019 - Fans - Efficiency classification for fans - Part 2: Standard losses for drive components provides a standardized method to estimate the input power and overall efficiency…
Overview ISO 12759-5:2021 - Fans - Efficiency classification for fans - Part 5: Jet fans - establishes an energy-efficiency classification system for jet fans driven by motors with an electrical inpu…
Overview ISO 12757-2:1998 - Ball point pens and refills - Part 2: Documentary use (DOC) defines minimum quality and performance requirements for ballpoint pens and refills intended for documentary us…
Overview ISO 12759-3:2019 - Fans - Efficiency classification for fans - Part 3: Fans without drives at maximum operating speed establishes a uniform system to classify the energy efficiency of fans t…
Overview ISO 12757-1:2017 - "Ball point pens and refills - Part 1: General use" establishes minimum quality requirements for ball point pens (refillable or non-refillable) and refills intended for ge…
Overview ISO 1275:2006 specifies requirements for double-pitch precision roller chains, their attachments, and associated chain sprockets used for mechanical power transmission and conveyors. The sta…
Overview ISO 12756:2016 - Drawing and writing instruments - Ball point pens and roller ball pens - Vocabulary defines standardized terminology for ball point pens, roller ball pens and associated com…
Overview - ISO 12759-1:2023 (Fans - Efficiency classification for fans - Part 1) ISO 12759-1:2023 establishes the general requirements for classifying fan power consumption and efficiency across the…
Overview ISO 12759-4:2019 - Fans: Efficiency classification for fans - Part 4: Driven fans at maximum operating speed establishes a system to classify the efficiency of driven fans (impellers fitted…
Overview ISO 12759-6:2024 defines the method to calculate the Fan Energy Index (FEI) - a standardized energy-efficiency metric for fan duty points. The FEI provides a consistent basis to compare ener…