6.1.15 Safety valve verification TSG G0001-2011 Special equipment safety specification -38- (1) in the use of boiler safety valve at least once a year, verification is generally carried out in the boiler operating state; (2) After the newly installed boiler or safety valve has been repaired or replaced, the corrective pressure and sealing of the boiler shall be verified; (3) after the safety valve has been verified, it shall be locked or sealed with lead. After the verification of the safety valve in the handling or installation process, can not fall, smash, collision; (4) the control safety valve should be controlled circuit reliability test and opening performance inspection, (5) the safety valve adjustment pressure, sealing (in the safety valve check table, only the adjustment pressure and sealing) and other test results should be recorded in the boiler technical file. 6.1.16 The safety valve used in operation (1) the safety valve in boiler operation should be regularly discharged test, the test interval of the boiler safety valve of the power station is not much more than 1 small repair interval, the control safety valve, the use unit shall regularly test the control system; (2) the safety valve in boiler operation does not allow random discharge and arbitrarily raise the safety valve's adjustment pressure or make the safety valve fail. <br>6.2 Pressure meter <br>6.2.1 The following parts of the boiler shall be provided with a pressure meter: (1) steam space of the steam boiler pot (pot shell); (2) Before the water supply regulator valve; (3) the split coal saver outlet; (4) between the superheater outlet and the main valve; (5) the reheater out and inlet; (6) the start separator of the DC steam boiler or its outlet pipe; (7) the DC steam boiler coal saver inlet, tank and circulating pump outlet; (8) the dc steam boiler before the heat surface exit valve is installed (if the cut-off valve is installed) (9) on the pot (shell) of a hot water boiler; (10) the inlet and outlet valve entrance of a hot water boiler; (11) the inlet and inlet of a hot water boiler circulating water pump; (12) the oil pump inlet (return oil) and outlet of the ignition oil system of a fuel boiler and a coal-fired boiler; (13) the air source inlet and the gas valve group of a gas-fired boiler are stabilized (pressure valve).
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