August 2014

Special Report: Fluid Flow and Rotating Equipment

Triple-offset valves offer advantages in emergency services

Liquid hydrocarbon storage facilities have used triple-offset valves (TOVs) in traditional tank farm applications for decades. Due to more stringent health, safety and environment (HSE) requirements, ..

Casaroli, S., Ferrara, M., Pentair Valves & Controls

Liquid hydrocarbon storage facilities have used triple-offset valves (TOVs) in traditional tank farm applications for decades. Due to more stringent health, safety and environment (HSE) requirements, tank farm operators are selecting TOVs for critical emergency systems, as well as the first tank-body valves. The main drivers supporting use of TOVs in tank farms include a growing need to reassess emergency valve risks and identifying alternative solutions to traditional gate, plug and ball valve applications. Introduction Over the past four decades, TOVs have gained popularity in tank farms due to their ability to do bidirectional zero leakage after several operational cycles, which is an i

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