Registration number (WIID)Project No.TitleStatus
64957ISO 23551-9:2015Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 9: Mechanical gas thermostatsAtcelts
66515ISO 23551-2:2018Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 2: Pressure regulatorsStandarts spēkā
68290ISO 23551-4:2018Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 4: Valve-proving systems for automatic shut-off valvesStandarts spēkā
68435ISO/DIS 23551-11Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 11: Automatic shut-off valves for operating pressure of above 500 kPa up to and including 6 300 kPaStandarts spēkā
68556ISO 23551-10:2016Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 10: Vent valvesAtcelts
71282ISO 23551-8:2016/Amd 1:2019Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 8: Multifunctional controls — Amendment 1: Overheating safety devicesAtcelts
73226ISO 23551-8:2016/DAmd 2Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 8: Multifunctional controls — Amendment 2: Optional requirements for components of burner control systemsStandarts spēkā
73426ISO/WD 23555-3Gas pressure safety and control devices for use in gas transmission, distribution and installations for inlet pressures up to and including 10 MPa — Part 3: Safety shut-off devicesIzstrādē
73428ISO 23555-2:2022Gas pressure safety and control devices for use in gas transmission, distribution and installations for inlet pressures up to and including 10 MPa — Part 2: Gas pressure regulatorStandarts spēkā
74771ISO 23553-1:2022Safety and control devices for oil burners and oil-burning appliances — Particular requirements — Part 1: Automatic and semi-automatic valvesStandarts spēkā
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