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Needle, Cock & Ground Valves (Industrial)


Needle valves in this section are designed for air or water service (these particular needle valves are NOT designed for welding or CGA applications). Needle valves are used in flow meter applications, primarily when a consistent, calibrated, low flow rate must be maintained. They typically have a relatively small orifice with an extended, tapered seat, and a needle-shaped plunger on the end of a threaded stem, which exactly fits the seat. They have a metal to metal seat and will allow fine control of flow.