Exemplary illustrations of a fluid valve, e.g., a return valve for returning residual paint, rinsing agent, and compressed air from a paint line when changing color in a painting system, are disclosed. An exemplary fluid valve may be adjusted between an open position, in which the fluid valve is at least partially open, e.g., for rinsing a paint line with a rinsing agent and for pressurizing the paint line with a new color for the color change, and a closed position, in which the fluid valve is closed, e.g., for applying the new color after the color change. An exemplary fluid valve may switch to the closed position, upon actuation by the medium thereof, e.g., medium flowing through or present in the valve. In another example, a fluid valve may close depending on the fluid present at the input side.

Exemplary illustrations of a fluid valve, e.g., a return valve for returning residual paint, rinsing agent, and compressed air from a paint line when changing color in a painting system, are disclosed. An exemplary fluid valve may be adjusted between an open position, in which the fluid valve is at least partially open, e.g., for rinsing a paint line with a rinsing agent and for pressurizing the paint line with a new color for the color change, and a closed position, in which the fluid valve is closed, e.g., for applying the new color after the color change. An exemplary fluid valve may switch to the closed position, upon actuation by the medium thereof, e.g., medium flowing through or present in the valve. In another example, a fluid valve may close depending on the fluid present at the input side.

Disclosed are a system (100) and a method (200) for being utilized in an industrial plant (10) for determining injection rate of at least one Flue Gas Conditioning Agent (FGCA) from a FGCA discharge unit (18) into a flue gas leading from a boiler (12) to be introduce into an Electrostatic Precipitator (ESP) (14) of an industrial plant (10). The system (100) and method (200) is capable of determining the optimal injection rate of the FGCA based on ESP (14) data to increase the efficiency of the ESP (14) for efficient collection of dust particles from the flue gas stream.

A thermal expansion valve with one-way control function includes a valve body having an inlet passage and an out passage, a temperature sensor installed on one end of the valve body, and a first valve core component installed in an inside chamber of the valve body. The first valve core component includes a first valve core and a valve rod against the temperature sensor. The valve body also includes an accommodation component extending from said the inlet passage into the valve body and coaxially installed with the inlet passage. The accommodation component has a second valve port connected with the inside chamber. The accommodation component has a second valve core component having a supporting piece and a second valve core matching the second valve port. The processing of the structure is convenient and the assembly of the second valve core component is simple and reliable.

A system for collecting an anaesthetic agent, having at least one anaesthetic gas scavenging system (AGSS) for receiving exhaust gas from a plurality of sources, the exhaust gas including the anaesthetic agent to be collected, each AGSS comprising at least one power source for providing suction of the exhaust gas from the plurality of sources under negative pressure, and a central collection system for receiving the exhaust gas, the central collection system comprising at least one collector for collecting the anaesthetic agent from the exhaust gas, wherein the at least one collector is configured to adsorb the anaesthetic agent from the exhaust gas. The central collection system may be configured to received the exhaust gases from the at least one AGSS, with the central collection system being located downstream of the at least one AGSS.

A system for collecting an anaesthetic agent, having at least one anaesthetic gas scavenging system (AGSS) for receiving exhaust gas from a plurality of sources, the exhaust gas including the anaesthetic agent to be collected, each AGSS comprising at least one power source for providing suction of the exhaust gas from the plurality of sources under negative pressure, and a central collection system for receiving the exhaust gas, the central collection system comprising at least one collector for collecting the anaesthetic agent from the exhaust gas, wherein the at least one collector is configured to adsorb the anaesthetic agent from the exhaust gas. The central collection system may be configured to received the exhaust gases from the at least one AGSS, with the central collection system being located downstream of the at least one AGSS.