Karan Sotoodeh previously worked for Baker Hughes as a Senior Lead Valve and Actuator engineer in the subsea oil and gas industry. He has almost 16 years of experience in oil and gas industry mainly with valves, piping, actuators and material engineering. He has written four books about piping, valves and actuators and more than 30 papers in peer-reviewed journals. Karan Sotoodeh has worked with many valve suppliers in Europe in countries such as UK, Italy, France, Germany and Norway. He loves travelling, running and spending time in the nature.

• 1: Introduction and General Features 2: Material Selection 3: Double Isolation and Bleed Concept 4: Design for Weight Reduction 5: Seat Scrapers and Flushing Ports 6: Manufacturing Process 7: Welding Technology 8: Actuation 9: Testing 10: Preservation and Packing 11: Handling, Lifting, and Transportation 12: Installation, Operation, and Maintenance 13: Safety and Reliability

Karan Sotoodeh previously worked for Baker Hughes as a Senior Lead Valve and Actuator engineer in the subsea oil and gas industry. He has almost 16 years of experience in oil and gas industry mainly with valves, piping, actuators and material engineering. He has written four books about piping, valves and actuators and more than 30 papers in peer-reviewed journals. Karan Sotoodeh has worked with many valve suppliers in Europe in countries such as UK, Italy, France, Germany and Norway. He loves travelling, running and spending time in the nature.

• 1: Introduction and General Features 2: Material Selection 3: Double Isolation and Bleed Concept 4: Design for Weight Reduction 5: Seat Scrapers and Flushing Ports 6: Manufacturing Process 7: Welding Technology 8: Actuation 9: Testing 10: Preservation and Packing 11: Handling, Lifting, and Transportation 12: Installation, Operation, and Maintenance 13: Safety and Reliability