Most flow applications require valve for flow of liquid, and usually the parameter of concern is the Most flow applications require regulating the flow of liquid, and usually the parameter of concern is the finite element analysis. There are many authors work on this pressure valve and thermal set up valve. This paper includes study of various papers related to self-regulating pressure valve and other flow. In this project focus on flow of liquid between chamber. .Electronic valves are available, however the intent of this design project is have a total mechanical system, which has an in built response mechanism. This project basically focused on the transient analysis of Thermal shutoff valve. This transient analysis is generally used to determine the Heat flow and heat flux of a structure under the action of any general time-dependent loads. Drawings, a major part of the project was undertaken on Autodesk Inventor Ver 2014. Thermal analysis was done on Ansys 18.0 workbench. Primary objective of reducing the cost of manufacturing and bringing down of the entire unit cost was kept in mind and was the primary driving notion.