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prEN ISO 24194 rev
Solar energy - Collector fields - Check of performance
IEC 65E/163/CDV
IEC 62382 Ed. 2.0: Electrical and instrumentation loop check
ISO 7001 CD AMD 106
Graphical symbols - Registered public information symbols - Amendment 106: PI PF 085 Health check
prEN 17450-3
Fixed firefighting systems - Water mist systems - Part 3: Requirements and test methods for check valves
DIN EN ISO 24194
Solar energy - Collector fields - Check of performance (ISO 24194:2022 + Amd 1:2024); German version EN ISO 24194:2022 + A1:2024
prEN 12094-13
Fixed firefighting systems - Components for gas extinguishing systems - Part 13: Characteristics for check valves and non-return valves
DIN 3630
Shut-off valves, check valves, air supply/exhaust valves and control valves made of metallic materials for potable water supply systems - Requirements and test methods
ISO/DIS 6182-2
Fire protection - Automatic sprinkler systems - Part 2: Requirements and test methods for sprinkler system alarm valves, check valves, water motor alarms, retard devices and accelerators
DIN EN 17450-3
Fixed firefighting systems - Water mist systems - Part 3: Requirements and test methods for check valves; German and English version prEN 17450-3:2024
DIN EN IEC 61810-7-1
All-or-nothing electrical relays - Tests and Measurements - Part 7-1: Visual inspection and check of dimensions (IEC 94/639/CD:2022); Text in German and English
