In 'steam boiler safety technology supervision regulation' regulation: in addition to the per boiler must be equipped with and drum steam space directly connect pressure gauge, should also be installed pressure gauge in the following sites: (1) before the feed water regulator (2) split economizer exit (3) before the superheater outlet and the main steam valve (4) dc boiler start-up separator reheater out, entrance (5) 6 dc boiler a soda system valve before 7 forced circulation boiler water loop pumping, pet-name ruby at the inlet and outlet of the pump inlet end fuel boiler gas boiler air inlet
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