high pressure boiler license

The minimum blowdown for a spring loaded safety valve shall be of what percent of set pressure? 10% How is the main steam pressure gages tested? With an inspectors gage Who is in charge of the code for any plumbing installations? The nyc plumbing code When will anchorage or guides be inspected? Annually How many brass washout plugs does a miniature boiler have? 3 brass washout plugs, 1" in size How often is HP piping expansion joints inspected? Weekly How lon...