Valves, Pumps and Turbomachinery: Using 3D metallic printing for manufacturing refinery pump impellers

Abdullah Al-Ghamdi is an Engineering Consultant with the rotating equipment division of the consulting services department of Saudi Aramco. He has worked with the company for 28 yr, starting as a mechanical engineer with Saudi Arabian Marketing and Refining Co. (SAMAREC) in 1992 and joining Saudi Aramco in 1994. He served as Standards Committee Chairman for pumps, seals and mixers for 5 yr, as well as Responsible Standard Agent (RSA) for 3 yr. Mr. Al-Ghamdi received a BS degree in mechanical engineering from King Fahd University of Petroleum and Minerals in Saudi Arabia and an MS degree in mechanical engineering and dynamic systems from the Florida Institute of Technology in Florida, U.S.

Saad H. Al-Dossary is the Leader of the pumps group at the consulting services department of Saudi Aramco. He has worked at Saudi Aramco for 20 yr. Mr. Al-Dossary holds an MS degree in the design of rotating equipment from Cranfield University in the UK.

Amer Al-Dhafiri is a Pump Specialist at the consulting services department of Saudi Aramco. He has worked with Saudi Aramco for 20 yr. He holds a BS degree in mechanical engineering from King Fahd University of Petroleum and Minerals in Saudi Arabia and an MS degree from the university of Virginia in the U.S.

Majed Al-Zahrani is an Electrical Engineer at Saudi Aramco’s Riyadh refinery with 13 yr of experience in plant technical and project tasks. His work experience is focused on plant technical issues; project design reviews; compliance assurance for standards, procedures and material specifications; site construction and commissioning; operations support; and troubleshooting and fault investigation. Mr. Al-Zahrani holds a BS degree in electrical engineering from King Abdulaziz University in Jeddah, Saudi Arabia.

Vladimir Navrotsky is Chief Technology Officer (CTO) of Industrial Application Service for Siemens Energy and a Senior Principal Key Expert in gas turbine design and aftermarket. He holds a PhD in mechanical engineering from Moscow Physical and Technical University. Dr. Navrotsky has more than 30 yr of professional experience in international organizations such as the Central Institute of Aviation Motors in Russia, ABB in Sweden, ALSTOM in Switzerland and Siemens. As an employee of Siemens for more than 20 yr, he has held several management positions and was appointed Gas Turbine Fleet Director and Global Service Technology and Innovation Manager (CTO) in 2007. In 2010, he was also promoted to Senior Principal Key Expert in addition to these responsibilities. In 2015, Dr. Navrotsky was awarded the honor of Siemens Top Innovator.