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A needle valve is a type of valve with a small port and a threaded, needle-shaped plunger. It allows precise regulation of flow, although it is generally only capable of relatively low flow rates. Construction and operation. An instrument needle valve uses a tapered pin to gradually open a space for fine control of flow.
Learn what a needle valve is, how it works, and what are its applications and advantages. A needle valve is a small valve with a needle-like plunger that can regulate or isolate fluid flow with high precision.
Swagelok offers a range of needle and metering valves with different stem designs, flow patterns, materials, and end connections. Find the right valve for your needs using the valve flow coefficient calculator, the STAMPED method, or the resources section.
1 de ene. de 2018 · Learn about the design, types, selection, and applications of needle valves, which are used to control flow rates of clean gasses or liquids. Compare needle valves with other valves and see examples of needle valve symbols and uses.
ranging from -65°F to 450°F (-54°C to 232°C) and pressures to 5000 psig (345 bar), V Series Needle Valves provide the user with the utmost in flexibility when designing miniaturized tubing or piping systems.
Válvulas de control de flujo de aguja. Parker ofrece válv. aguja estándar y válv. aguja con comprobación de flujo libre inversa. Las válv. aguja Parker son orificios ajustables no compensados, compatibles con flujos de hasta 225 lpm (60 gpm) y presiones tan altas como 420 bar (6000 psi).
Parker ofrece válvulas de aguja para obtener un cierre totalmente hermético contra fugas positivo y regulación de líquidos y gases en una gran variedad de tipos de vástagos, en patrones en línea y en ángulo.
