Registration number (WIID)Project No.TitleStatus
34691ISO/DIS 21770Gas burners and gas appliances — Valve proving systems for automatic shut-off valvesIzstrādē
35268ISO/NP 20040-1Gas/air ratio controls for gas burners and for gas-burning appliance — Part 1: Pneumatic typesIzstrādē
35269ISO/NP 20040-2Gas/air ratio controls for gas burners and for gas-burning appliance — Part 2: Electronic typesIzstrādē
36890ISO 23550:2004Safety and control devices for gas burners and gas-burning appliances — General requirementsAtcelts
36891ISO 23551-1:2006Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 1: Automatic valvesAtcelts
36892ISO/WD 23552-1Safety and control devices for gas/oil burners and gas/oil-burning appliances — Particular requirements — Part 1: Fuel/air ratio controls of electronic typeIzstrādē
36893ISO 23553-1:2007Safety and control devices for oil burners and oil-burning appliances — Particular requirements — Part 1: Shut-off devices for oil burnersAtcelts
36895ISO 23555-1:2022Gas pressure safety and control devices for use in gas transmission, distribution and installations for inlet pressures up to and including 10 MPa — Part 1: General requirementsStandarts spēkā
36929ISO/CD 23551-2Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 2: Pressure governors for inlet pressures up to 50 kPaIzstrādē
36930ISO 23551-3:2005Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 3: Gas/air ratio controls, pneumatic typeAtcelts
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