Location of the emergency shut-off valve on the storage tank

Our original cut-off valves were located outside the fire dike at the pump inlet, but when the safety inspection team came to check, they required us to add more of them inside the cofferdam

The standards for installing emergency shut-off valves state that such valves should be placed as the first valve at the inlet and outlet of the pipe. You can contact me at 15063629978; it’s the same number on WeChat

For some documents and excerpts from regulations regarding the installation of emergency shut-off valves in tank areas where there are major hazard sources, please refer to the following documents: Excerpts from documents and regulations concerning the installation of emergency shut-off valves in tank areas for Class 1 and Class 2 major hazard sources. **Order No. 40 issued by the State Administration for Work Safety, Article 13: Hazardous chemicals enterprises shall, based on the types and quantities of hazardous chemicals that constitute major hazard sources, as well as the production and usage processes (methods) or related equipment and facilities, establish a comprehensive safety monitoring system in accordance with the following requirements in order to improve control measures: 6.13 Shut-off valves: A main shut-off valve should be installed near the inlet and outlet pipes of the storage tanks. For large storage tanks, valves equipped with pneumatic, hydraulic, or electric actuators should be used. When the actuator is of electric type, its power cable, signal cable, and electric actuator shall be provided with fire protection. The cut-off valve should have automatic and manual shutdown functions, with manual shutdown including remote manual shutdown and on-site manual shutdown.