Posted on April 29, 2018May 1, 2018 by Pulse AssentISO 23551-4:2018 Safety and control devices for gas burners and gas-burning appliances. Particular requirements Valve-proving systems for automatic shut-off valves Link: ISO 23551-4:2018 Safety and control devices for gas burners and gas-burning appliances. Particular requirements Valve-proving systems for automatic shut-off valves Source: BSI Standards Related Posts:New laws to introduce digital labelling for…Burdensome legislation withdrawn in latest move to…The UK Space Agency is Unlocking Space for BusinessSME Council membership revealed ahead of first meeting
