Projects (Committee view) https:/www.lvs.lv/projects WI FAKE-90337. ISO/AWI 23555-2 - Gas 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 regulator Project has reached stage 10.99 on date 23.01.2026. Next stage 20.00. Responsible committee: ISO/TC 161. https:/www.lvs.lv/projects/project/470260 470260 Tue, 17 Sep 2024 01:44:43 +0300 WI FAKE-90336. ISO/AWI 23555-1 - Gas 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 requirements Project has reached stage 10.99 on date 23.01.2026. Next stage 20.00. Responsible committee: ISO/TC 161. https:/www.lvs.lv/projects/project/470259 470259 Tue, 17 Sep 2024 01:44:42 +0300 WI FAKE-90291. ISO/WD TS 25418 - Controls and protective devices for gaseous and liquid fuels — Material compatibility evaluation and qualification Project has reached stage 20.20 on date 03.02.2026. Next stage 20.60. Responsible committee: ISO/TC 161. https:/www.lvs.lv/projects/project/470130 470130 Sat, 07 Sep 2024 01:49:24 +0300 WI FAKE-90290. ISO/PWI 23551-13 - Controls and protective devices for gaseous fuels — Particular requirements — Part 13: Pressure and/or flow rate regulators for inlet pressures up to and including 500 kPa, electronic types Next stage 00.00. Responsible committee: ISO/TC 161. https:/www.lvs.lv/projects/project/470129 470129 Sat, 07 Sep 2024 01:49:24 +0300 WI FAKE-86595. ISO/DIS 23550 - Controls and protective devices for gaseous and liquid fuels — General requirements Project has reached stage 40.20 on date 25.09.2025. Next stage 40.60. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/384089 384089 Tue, 21 Feb 2023 06:27:27 +0200 WI FAKE-86010. ISO 23552-1:2026 - Control and protective devices for gaseous and liquid fuels — Particular requirements — Part 1: Electronic fuel/air ratio control systems, including associated sensors and mechanical actuators Project has reached stage 60.60 on date 28.01.2026. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/382760 382760 Fri, 04 Nov 2022 06:11:41 +0200 WI FAKE-85515. ISO 23551-10:2025 - Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 10: Vent valves Project has reached stage 60.60 on date 08.05.2025. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/381795 381795 Tue, 23 Aug 2022 05:30:36 +0300 WI FAKE-83848. ISO 23551-11:2024 - Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 11: Automatic and semi-automatic shut-off valves for operating pressure of above 500 kPa up to and including 6 300 kPa Project has reached stage 60.60 on date 22.11.2024. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/371992 371992 Fri, 08 Oct 2021 04:13:29 +0300 WI FAKE-83847. ISO 23551-1:2024 - Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 1: Automatic and semi-automatic shut-off valves Project has reached stage 60.60 on date 22.11.2024. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/371991 371991 Fri, 08 Oct 2021 04:13:29 +0300 WI FAKE-83563. ISO 23551-8:2023 - Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 8: Multifunctional controls Project has reached stage 60.60 on date 11.05.2023. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/371303 371303 Sat, 07 Aug 2021 04:03:23 +0300 WI FAKE-83517. ISO 23555-3:2024 - Gas 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 devices Project has reached stage 60.60 on date 14.06.2024. Responsible committee: ISO/TC 161. ICS: 23.060.40, 91.140.40 https:/www.lvs.lv/projects/project/371218 371218 Fri, 30 Jul 2021 04:01:19 +0300 WI A00008:10:078036. ISO 23551-9:2022 - Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 9: Mechanical gas thermostats Project has reached stage 60.60 on date 17.01.2022. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/360274 360274 Mon, 18 Mar 2019 10:26:09 +0200 WI A00008:10:077901. ISO 23551-6:2021 - Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 6: Thermoelectric flame supervision controls Project has reached stage 60.60 on date 01.11.2021. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/359915 359915 Tue, 19 Feb 2019 11:20:58 +0200 WI A00008:10:076435. ISO 23551-12:2023 - Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 12: Multifunctional controls with integral overpressure protection safety function (OPSF) for use with butane gas cartridges used in portable gas appliances Project has reached stage 60.60 on date 06.10.2023. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/357001 357001 Thu, 12 Jul 2018 10:58:46 +0300 WI A00008:10:075895. ISO 23551-5:2023 - Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 5: Manual gas valves Project has reached stage 60.60 on date 18.10.2023. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/356309 356309 Fri, 01 Jun 2018 11:01:57 +0300 WI A00008:10:075139. ISO/DIS 23551-1 - Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 1: Automatic and semi-automatic valves Project has reached stage 60.60 on date 04.12.2020. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/354191 354191 Wed, 13 Dec 2017 11:11:01 +0200 WI A00008:10:074771. ISO 23553-1:2022 - Safety and control devices for oil burners and oil-burning appliances — Particular requirements — Part 1: Automatic and semi-automatic valves Project has reached stage 60.60 on date 15.02.2022. Responsible committee: ISO/TC 161. ICS: 27.060.10 https:/www.lvs.lv/projects/project/353267 353267 Thu, 26 Oct 2017 11:53:46 +0300 WI A00008:10:073226. ISO 23551-8:2016/DAmd 2 - Safety 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 systems Project has reached stage 60.60 on date 04.05.2020. Next stage 40.98. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/352305 352305 Wed, 12 Jul 2017 12:22:28 +0300 WI A00008:10:073426. ISO/WD 23555-3 - Gas 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 devices Project has reached stage 20.00 on date 09.05.2018. Next stage 20.98. Responsible committee: ISO/TC 161. ICS: 91.140.40, 23.060.40 https:/www.lvs.lv/projects/project/351505 351505 Wed, 12 Jul 2017 12:19:58 +0300 WI A00008:10:073428. ISO 23555-2:2022 - Gas 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 regulator Project has reached stage 60.60 on date 11.01.2022. Responsible committee: ISO/TC 161. ICS: 27.060.20, 23.060.40, 91.140.40 https:/www.lvs.lv/projects/project/351504 351504 Wed, 12 Jul 2017 12:19:58 +0300 WI A00008:10:071282. ISO 23551-8:2016/Amd 1:2019 - Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 8: Multifunctional controls — Amendment 1: Overheating safety devices Project has reached stage 99.60 on date 11.05.2023. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/343489 343489 Thu, 12 May 2016 12:17:10 +0300 WI A00008:10:068556. ISO 23551-10:2016 - Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 10: Vent valves Project has reached stage 90.92 on date 22.08.2022. Next stage 95.99. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/336871 336871 Mon, 14 Sep 2015 21:14:17 +0300 WI A00008:10:068435. ISO/DIS 23551-11 - Safety 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 kPa Project has reached stage 60.60 on date 17.12.2020. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/336798 336798 Mon, 14 Sep 2015 21:14:06 +0300 WI A00008:10:000450. ISO/WD 0 - Control and safety devices for heat generating systems - Test methods for non-industrial gas controls Project has reached stage 20.20 on date 01.12.1985. Responsible committee: ISO/TC 161. https:/www.lvs.lv/projects/project/335758 335758 Mon, 14 Sep 2015 21:11:08 +0300 WI A00008:10:036895. ISO 23555-1:2022 - Gas 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 requirements Project has reached stage 60.60 on date 11.01.2022. Responsible committee: ISO/TC 161. ICS: 27.060.20, 23.060.40, 91.140.40 https:/www.lvs.lv/projects/project/335315 335315 Mon, 14 Sep 2015 21:09:54 +0300 WI A00008:10:068290. ISO 23551-4:2018 - Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 4: Valve-proving systems for automatic shut-off valves Project has reached stage 90.60 on date 03.09.2023. Next stage 90.93. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/330085 330085 Sun, 04 Jan 2015 16:35:30 +0200 WI A00008:10:002376. ISO/WD 12552 - Burner control units including igniters and flame sensors Project has reached stage 20.00 on date 01.06.1987. Responsible committee: ISO/TC 161. https:/www.lvs.lv/projects/project/323343 323343 Thu, 16 Oct 2014 01:07:07 +0300 WI A00008:10:002340. ISO/WD 12553 - Electrically operated gas valves Project has reached stage 20.00 on date 01.06.1987. Responsible committee: ISO/TC 161. https:/www.lvs.lv/projects/project/323328 323328 Thu, 16 Oct 2014 01:07:04 +0300 WI A00008:10:002304. ISO/WD 12554 - Gas pressure governors Project has reached stage 20.00 on date 01.06.1987. Responsible committee: ISO/TC 161. https:/www.lvs.lv/projects/project/323285 323285 Thu, 16 Oct 2014 01:06:57 +0300 WI A00008:10:051958. ISO/NP 23551-5 - Safety and control devices for gas burners and gas-burning appliances — Part 5: Particular requirements for combination (Multifunctional) Controls Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/322767 322767 Thu, 16 Oct 2014 01:05:35 +0300 WI A00008:10:002595. ISO/WD 12551 - Air and gas pressure switches Project has reached stage 20.00 on date 01.06.1987. Responsible committee: ISO/TC 161. https:/www.lvs.lv/projects/project/309423 309423 Thu, 16 Oct 2014 00:40:25 +0300 WI A00008:10:064293. ISO/DIS 23551-7 - Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 7: Pressure sensing controls Project has reached stage 40.60 on date 06.03.2017. Next stage 40.98. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/272307 272307 Wed, 15 Oct 2014 23:41:05 +0300 WI A00008:10:066515. ISO 23551-2:2018 - Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 2: Pressure regulators Project has reached stage 90.60 on date 03.12.2023. Next stage 90.93. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/228807 228807 Wed, 15 Oct 2014 22:13:55 +0300 WI A00008:10:064957. ISO 23551-9:2015 - Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 9: Mechanical gas thermostats Project has reached stage 99.60 on date 17.01.2022. Next stage 95.99. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/227719 227719 Wed, 15 Oct 2014 22:11:28 +0300 WI A00008:10:062335. ISO 23551-8:2016 - Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 8: Multifunctional controls Project has reached stage 99.60 on date 11.05.2023. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/225605 225605 Wed, 15 Oct 2014 22:06:35 +0300 WI A00008:10:061951. ISO 23550:2011/Amd 1:2015 - Safety and control devices for gas burners and gas-burning appliances — General requirements — Amendment 1 Project has reached stage 95.99 on date 06.06.2019. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/225334 225334 Wed, 15 Oct 2014 22:05:58 +0300 WI A00008:10:060506. ISO/NP 23551-7 - Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 7: Pressure sensing devices Project has reached stage 10.99 on date 21.12.2011. Next stage 10.98. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/224600 224600 Wed, 15 Oct 2014 22:04:17 +0300 WI A00008:10:060451. ISO 23550:2018 - Safety and control devices for gas and/or oil burners and appliances — General requirements Project has reached stage 90.60 on date 03.09.2023. Next stage 90.92. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/224562 224562 Wed, 15 Oct 2014 22:04:12 +0300 WI A00008:10:053552. ISO 23553-1:2007/Cor 1:2009 - Safety and control devices for oil burners and oil-burning appliances — Particular requirements — Part 1: Shut-off devices for oil burners — Technical Corrigendum 1 Project has reached stage 99.60 on date 13.05.2014. Responsible committee: ISO/TC 161. ICS: 27.060.10 https:/www.lvs.lv/projects/project/221998 221998 Wed, 15 Oct 2014 21:58:11 +0300 WI A00008:10:053049. ISO/NP 23551-8 - Safety and Control Devices for Gas Burners and Gas Burning appliances — Particular Requirements — Part 8: Multifunctional Controls Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/221841 221841 Wed, 15 Oct 2014 21:57:51 +0300 WI A00008:10:051637. ISO 23551-1:2006/NP Amd 1 - Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 1: Automatic valves — Amendment 1 Project has reached stage 10.99 on date 21.11.2008. Next stage 10.98. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/221296 221296 Wed, 15 Oct 2014 21:56:43 +0300 WI A00008:10:051636. ISO 23550:2004/DAmd 1 - Safety and control devices for gas burners and gas-burning appliances — General requirements — Amendment 1: Addition to the specific regional requirements in Japan Project has reached stage 40.60 on date 14.04.2010. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/221295 221295 Wed, 15 Oct 2014 21:56:43 +0300 WI A00008:10:036929. ISO/CD 23551-2 - Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 2: Pressure governors for inlet pressures up to 50 kPa Project has reached stage 30.99 on date 31.01.2002. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/216992 216992 Wed, 15 Oct 2014 21:47:02 +0300 WI A00008:10:036893. ISO 23553-1:2007 - Safety and control devices for oil burners and oil-burning appliances — Particular requirements — Part 1: Shut-off devices for oil burners Project has reached stage 99.60 on date 13.05.2014. Responsible committee: ISO/TC 161. ICS: 27.060.10 https:/www.lvs.lv/projects/project/216976 216976 Wed, 15 Oct 2014 21:47:00 +0300 WI A00008:10:036892. ISO/WD 23552-1 - Safety and control devices for gas/oil burners and gas/oil-burning appliances — Particular requirements — Part 1: Fuel/air ratio controls of electronic type Project has reached stage 20.00 on date 31.01.2002. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/216975 216975 Wed, 15 Oct 2014 21:46:59 +0300 WI A00008:10:036891. ISO 23551-1:2006 - Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 1: Automatic valves Project has reached stage 99.60 on date 08.08.2012. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/216974 216974 Wed, 15 Oct 2014 21:46:59 +0300 WI A00008:10:036890. ISO 23550:2004 - Safety and control devices for gas burners and gas-burning appliances — General requirements Project has reached stage 99.60 on date 10.03.2011. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/216973 216973 Wed, 15 Oct 2014 21:46:59 +0300 WI A00008:10:035269. ISO/NP 20040-2 - Gas/air ratio controls for gas burners and for gas-burning appliance — Part 2: Electronic types Responsible committee: ISO/TC 161. ICS: 27.060.20, 91.140.10 https:/www.lvs.lv/projects/project/216526 216526 Wed, 15 Oct 2014 21:45:58 +0300 WI A00008:10:035268. ISO/NP 20040-1 - Gas/air ratio controls for gas burners and for gas-burning appliance — Part 1: Pneumatic types Responsible committee: ISO/TC 161. ICS: 27.060.20, 91.140.10 https:/www.lvs.lv/projects/project/216525 216525 Wed, 15 Oct 2014 21:45:58 +0300 WI A00008:10:034691. ISO/DIS 21770 - Gas burners and gas appliances — Valve proving systems for automatic shut-off valves Project has reached stage 40.60 on date 23.05.2001. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/216209 216209 Wed, 15 Oct 2014 21:45:14 +0300 WI A00008:10:034690. ISO/DIS 21769 - Gas burners and gas appliances — Automatic shut-off valves Project has reached stage 40.60 on date 22.05.2001. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/216208 216208 Wed, 15 Oct 2014 21:45:14 +0300 WI A00008:10:034689. ISO/DIS 21768 - Gas appliances — Pressure governors for inlet pressures up to 20 kPa (200 mbar) Project has reached stage 40.60 on date 22.05.2001. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/216207 216207 Wed, 15 Oct 2014 21:45:14 +0300 WI A00008:10:034688. ISO/DIS 21767 - Gas burners and gas-burning appliances — Safety and control devices — General requirements Project has reached stage 40.60 on date 22.05.2001. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/216206 216206 Wed, 15 Oct 2014 21:45:14 +0300 WI A00008:10:020491. ISO/CD 11919 - Automatic electrical burner controls and control systems — Mechanical requirements Responsible committee: ISO/TC 161. ICS: 27.060.01 https:/www.lvs.lv/projects/project/209077 209077 Wed, 15 Oct 2014 21:28:47 +0300 WI A00008:10:020490. ISO/CD 11918 - Non-industrial gas burners — Mechanical requirements for pressure cut-outs Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/209076 209076 Wed, 15 Oct 2014 21:28:47 +0300 WI A00008:10:041153. ISO 23552-1:2007 - Safety and control devices for gas and/or oil burners and gas and/or oil appliances — Particular requirements — Part 1: Fuel/air ratio controls, electronic type Project has reached stage 90.92 on date 19.10.2022. Next stage 95.99. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/206587 206587 Tue, 09 Oct 2007 00:00:00 +0300 WI A00008:10:057050. ISO 23553-1:2014 - Safety and control devices for oil burners and oil-burning appliances — Particular requirements — Part 1: Automatic and semi-automatic valves Project has reached stage 99.60 on date 15.02.2022. Next stage 95.99. Responsible committee: ISO/TC 161. ICS: 27.060.10 https:/www.lvs.lv/projects/project/205686 205686 Tue, 13 May 2014 00:00:00 +0300 WI A00008:10:041170. ISO 23551-2:2006 - Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 2: Pressure regulators Project has reached stage 99.60 on date 20.09.2018. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/200239 200239 Thu, 29 Jun 2006 00:00:00 +0300 WI A00008:10:054346. ISO 23551-1:2012 - Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 1: Automatic and semi-automatic valves Project has reached stage 90.92 on date 07.10.2021. Next stage 95.99. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/199240 199240 Wed, 08 Aug 2012 00:00:00 +0300 WI A00008:10:036930. ISO 23551-3:2005 - Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 3: Gas/air ratio controls, pneumatic type Project has reached stage 99.60 on date 12.01.2022. Next stage 95.99. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/198867 198867 Fri, 01 Apr 2005 00:00:00 +0300 WI A00008:10:051633. ISO 23552-1:2007/Amd 1:2010 - Safety and control devices for gas and/or oil burners and gas and/or oil appliances — Particular requirements — Part 1: Fuel/air ratio controls, electronic type — Amendment 1: Addition to the specific regional requirements in Japan Project has reached stage 60.60 on date 14.10.2014. Next stage 95.99. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/196672 196672 Wed, 29 Sep 2010 00:00:00 +0300 WI A00008:10:060520. ISO 23551-6:2014 - Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 6: Thermoelectric flame supervision controls Project has reached stage 95.99 on date 01.11.2021. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/193128 193128 Wed, 06 Aug 2014 00:00:00 +0300 WI A00008:10:036931. ISO 23551-4:2005 - Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 4: Valve-proving systems for automatic shut-off valves Project has reached stage 95.99 on date 25.04.2018. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/192573 192573 Wed, 24 Aug 2005 00:00:00 +0300 WI A00008:10:060486. ISO 23551-5:2014 - Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 5: Manual gas valves Project has reached stage 99.60 on date 18.10.2023. Next stage 95.99. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/191876 191876 Thu, 08 May 2014 00:00:00 +0300 WI A00008:10:057045. ISO 23550:2011 - Safety and control devices for gas burners and gas-burning appliances — General requirements Project has reached stage 95.99 on date 20.04.2018. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/191816 191816 Thu, 10 Mar 2011 00:00:00 +0200 WI A00008:10:051959. ISO 23551-4:2005/Amd 1:2010 - Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 4: Valve-proving systems for automatic shut-off valves — Amendment 1: Application guidance for the valve-proving system Project has reached stage 99.60 on date 06.06.2019. Responsible committee: ISO/TC 161. ICS: 27.060.20 https:/www.lvs.lv/projects/project/187872 187872 Thu, 28 Oct 2010 00:00:00 +0300