October 2023

An emergency shutdown valve, frequently referred to as a safety shutdown valve, quickly halts fluid flow in an emergency or potentially hazardous situation. Emergency shutdown valves provide operators a safe way to shut down a process operation without significant cost or damage to people or property. In this article, we review the working principles of […]

Actuators perform important functions in valves, especially control valves. Common operations performed include fully opening, fully closing, and providing precise control for flow regulation. Direct acting and reverse acting provide two methods by which actuators control a valve. In this article, we review the operations of a direct acting and a reverse acting actuator and