Finding the Proper Needle Valve, Pressures

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.

Can a needle valve regulate pressure? - Quora

Needle Valves

Medium Pressure Connections

Needle valve are used for isolation, Regulating and metering valves

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High Pressure Needle Valves

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Steam Pressure Reduction