Karan Sotoodeh, an Iranian author and engineer, formerly worked for Baker Hughes in his last position as a senior–lead valve and actuator engineer in the subsea oil and gas industry. He earned a PhD in safety and reliability in mechanical engineering at the University of Stavanger in 2021. Karan Sotoodeh has almost two decades of experience in the oil and gas industry, mainly with valves, piping, actuators, and material engineering. He has written 11 books about piping, valves, actuators, corrosion, and material selection and approximately 50 papers in peer-reviewed journals. Dr. Sotoodeh has also been selected for international conferences in the United States, Germany, and China to talk about valves, actuators, and piping. He has worked with many valve suppliers in the United Kingdom, Italy, France, Germany, and Norway. He loves traveling, running, swimming, and spending time in nature.

• 1. Instrumentation. 2. Piping Components. 3. Valves. 4. Actuators. 5. Safety Components. 6. Flare. 7. Electrical Components.

Karan Sotoodeh, an Iranian author and engineer, formerly worked for Baker Hughes in his last position as a senior–lead valve and actuator engineer in the subsea oil and gas industry. He earned a PhD in safety and reliability in mechanical engineering at the University of Stavanger in 2021. Karan Sotoodeh has almost two decades of experience in the oil and gas industry, mainly with valves, piping, actuators, and material engineering. He has written 11 books about piping, valves, actuators, corrosion, and material selection and approximately 50 papers in peer-reviewed journals. Dr. Sotoodeh has also been selected for international conferences in the United States, Germany, and China to talk about valves, actuators, and piping. He has worked with many valve suppliers in the United Kingdom, Italy, France, Germany, and Norway. He loves traveling, running, swimming, and spending time in nature.

• 1. Instrumentation. 2. Piping Components. 3. Valves. 4. Actuators. 5. Safety Components. 6. Flare. 7. Electrical Components.