What can be attached to the same outlet as the safety valve connection from a super heater?

The safety valve connection from a super heater is a critical component of a boiler's pressure regulation system. It is designed to release excess pressure to ensure the safety of the system. The connection for the safety valve must maintain its function and integrity without interference from other devices.

A soot blower is intended for cleaning the tubes of the boiler and does not impact the safety functions of the system. Because it does not alter the pressure dynamics in the same way that other components might, it is permissible to attach a soot blower to the same outlet as the safety valve connection. This allows for maintenance and cleaning of the system without compromising safety.

Other options, such as a pressure gauge or a control valve, are directly involved in measuring and regulating system pressure. If they were connected to the same outlet as the safety valve, they could interfere with its operation, potentially leading to a dangerous situation in which the safety valve might not operate correctly under high-pressure conditions. Similarly, an expansion tank, which serves to accommodate the expansion of fluids in the system, could also alter the pressure dynamics at the safety valve connection, thereby increasing the risk of malfunction or failure of the safety systems in place.

Thus, the connection of a soot blower is appropriate since it serves a different function and