Fluid systems and components

prEN 13953 - LPG equipment and accessories - Pressure relief valves for transportable refillable cylinders for Liquefied Petroleum Gas (LPG)
Categories: Valves
Committee: CEN/TC 286 (Liquefied petroleum gas equipment and accessories)
Origin: CEN
Close date: 04 Sep 2025
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ISO 6358-1:2013/DAmd 2 - Pneumatic fluid power — Determination of flow-rate characteristics of components using compressible fluids — Part 1: General rules and test methods for steady-state flow — Amendment 2: Annex C - Evaluation of measurement uncertainty
Categories: Fluid power systems
Committee: ISO/TC 131/SC 5 (Control products and components)
Origin: ISO
Close date: 05 Sep 2025
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ISO 6358-2:2019/DAmd 1 - Pneumatic fluid power — Determination of flow-rate characteristics of components using compressible fluids — Part 2: Alternative test methods — Amendment 1: Annex A - Evaluation of measurement uncertainty
Categories: Fluid power systems
Committee: ISO/TC 131/SC 5 (Control products and components)
Origin: ISO
Close date: 05 Sep 2025
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ISO/DIS 7685 - Glass-reinforced thermosetting plastics (GRP) pipes — Determination of initial ring stiffness
Categories: Pipelines
Committee: ISO/TC 138/SC 6 (Reinforced plastics pipes and fittings for all applications)
Origin: ISO
Close date: 08 Sep 2025
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ISO/DIS 18623-1.2 - Air compressors and compressed air systems — Air compressors — Part 1: Safety requirements
Categories: Compressors and pneumatic machines
Committee: ISO/TC 118/SC 6 (Air compressors and compressed air systems)
Origin: ISO
Close date: 09 Sep 2025
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ISO/DIS 3567 - Vacuum gauges — Calibration by direct comparison with a reference gauge
Categories: Vacuum technology
Committee: ISO/TC 112 (Vacuum technology)
Origin: ISO
Close date: 03 Oct 2025
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prEN 12266-1 - Industrial valves - Testing of metallic valves - Part 1: Pressure tests, test procedures and acceptance criteria - Mandatory requirements
Categories: Valves
Committee: CEN/TC 69 (Industrial valves)
Origin: CEN
Close date: 16 Oct 2025
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prEN 12516-3 - Industrial valves - Shell design strength - Part 3: Experimental method
Categories: Valves
Committee: CEN/TC 69 (Industrial valves)
Origin: CEN
Close date: 16 Oct 2025
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ISO/DIS 27893 - Vacuum technology — Vacuum gauges — Evaluation of the uncertainties of results of calibrations by direct comparison with a reference gauge
Categories: Vacuum technology
Committee: ISO/TC 112 (Vacuum technology)
Origin: ISO
Close date: 21 Oct 2025
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