Precautions in regard to pressure; steam receivers

Every steam receiver not so constructed as to withstand with safety the maximum permissible working pressure of the boiler or the maximum pressure which can be obtained in the pipe connecting the receiver with any other source of supply, shall be fitted with– (a) a suitable reducing valve or other suitable automatic appliance to prevent the safe working pressure being exceeded; (b) a suitable safety valve; (c) a correct steam pressure gauge; and (d) a suitable stop valve.