A noisy liquid control valve needs a pressure-and-temperature diagnosis before a trim change. Learn how to distinguish cavitation from flashing and prepare the operating data needed for selection.
A conventional wedge gate valve is intended for isolation, not sustained throttling. Learn how partial opening affects service duty and what to review before selecting a globe or control valve.
Before replacing a butterfly valve, check the installed length, mating flanges, disc travel, gasket arrangement and maintenance access. This practical review helps identify fit-up conflicts before installation.
A practical guide to checking minimum air pressure, valve torque, spring-return duties and pneumatic accessories before selecting an actuator or diagnosing a stalled ball valve.
A practical guide to diagnosing check valve slam after pump shutdown, reviewing minimum flow and installation, and choosing a valve with suitable closing characteristics.
