Apr 15 2019 · Never trust a check valve to prevent backflow when your life is at stake. A double block and bleed arrangement or a blind flange in the system are preferred LOTO methods for life safety risks. Fight the urge to cool the boiler quickly by opening the
Apr 28 2019 · Answer to this question is very simple. You need to do setting of safety of boiler in following cases: 1) Newly commissioned boiler. 2) After each boiler survey. As an engineer onboard you will be required to set the safety valve after each boiler survey. It
Observe water level. Observe general conditions. Determine cause of unusual noises or conditions and correct. Test water column or gage glass. Test water condition and perform corrections as necessary. (add chemicals blow down etc.) Record in log. Test low-water fuel cutoff. Blow down boiler.