Fluid systems and components

ISO/DIS 23097 - Industrial valves — Pneumatic part-turn actuators — General requirements
Categories: Valves
Committee: ISO/TC 153 (Valves)
Origin: ISO
Close date: 06 Nov 2025
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ISO/DIS 21360-4 - Vacuum technology — Standard methods for measuring vacuum-pump performance — Part 4: Turbomolecular vacuum pumps
Categories: Vacuum technology
Committee: ISO/TC 112 (Vacuum technology)
Origin: ISO
Close date: 13 Nov 2025
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ISO/DIS 3669 - Vacuum technology — Dimensions of knife-edge flanges
Categories: Vacuum technology
Committee: ISO/TC 112 (Vacuum technology)
Origin: ISO
Close date: 14 Nov 2025
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prEN 13160-2 - Leak detection systems - Part 2: Requirements and test/assessment methods for pressure and vacuum systems
Categories: Pipelines
Committee: CEN/TC 393 (Equipment for storage tanks and for service stations)
Origin: CEN
Close date: 20 Nov 2025
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prEN 13160-3 - Leak detection systems - Part 3: Requirements and test/assessment methods for liquid systems for tanks
Categories: Fluid storage devices
Committee: CEN/TC 393 (Equipment for storage tanks and for service stations)
Origin: CEN
Close date: 20 Nov 2025
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prEN 13160-4 - Leak detection systems - Part 4: Requirements and test/assessment methods for sensor-based leak detection systems
Categories: Fluid storage devices
Committee: CEN/TC 393 (Equipment for storage tanks and for service stations)
Origin: CEN
Close date: 20 Nov 2025
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prEN 13160-7 - Leak detection systems - Part 7: Requirements and test/assessment methods for interstitial spaces, leak detection linings and leak detection jackets
Categories: Pipelines
Committee: CEN/TC 393 (Equipment for storage tanks and for service stations)
Origin: CEN
Close date: 20 Nov 2025
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prEN ISO 18489 - Thermoplastic materials for piping systems - Determination of resistance to slow crack growth under cyclic loading - Cracked Round Bar (CRB) test method (ISO/DIS 18489:2025)
Categories: Pipelines
Committee: CEN/TC 155 (Plastics piping systems and ducting systems)
Origin: CEN
Close date: 10 Dec 2025
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ISO/DIS 27327-1 - Fans — Air curtain units — Part 1: Laboratory methods of testing for aerodynamic performance rating
Categories: Ventilators. Fans. Air-conditioners
Committee: ISO/TC 117 (Fans)
Origin: ISO
Close date: 11 Dec 2025
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ISO/DIS 18869 - Hydraulic fluid power — Test methods for couplings actuated with or without tools
Categories: Fluid power systems
Committee: ISO/TC 131/SC 4 (Connectors and similar products and components)
Origin: ISO
Close date: 15 Dec 2025
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prEN 295-8 - Vitrified clay pipe systems for drains and sewers - Part 8: Requirements for the use of vitrified clay components in the rehabilitation of drainage systems and conditions for the application of methods for rehabilitation in existing drainage systems
Categories: Pipelines
Committee: CEN/TC 165 (Waste water engineering)
Origin: CEN
Close date: 18 Dec 2025
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ISO 11500:2022/DAmd 1 - Hydraulic fluid power — Determination of the particulate contamination level of a liquid sample by automatic particle counting using the light-extinction principle — Amendment 1
Categories: Fluid power systems
Committee: ISO/TC 131/SC 6 (Contamination control)
Origin: ISO
Close date: 25 Dec 2025
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