Needle valves are specified and categorized for several reasons. Some of the most common include shut off, isolation, flow control, and dampening of pressure spikes. Users oftentimes only look at the pressure, temperature and size of a valve when making their selection.
Understanding the Basics: What is a Needle Valve and How Does It Work?
Ball Valves vs. Needle Valves for Flow Control - Unified Alloys
Determining the Pressure Drop to be Used in a Control Valve Sizing
Finding the Proper Needle Valve, Pressures
How A Needle Valve Works Superlok Needle Valve Advantages
Taper Seal Needle Valves
Finding the Proper Needle Valve, Pressures
How to Calculate Flow Rate Through a Valve
BuTech Medium Pressure Valves & Fittings
How to Properly Use a Needle Valve