Needle valve are used in flow metering applications, when a constant calibrated, low flow rate must be maintained for some time, as in the case of the idle fuel flow in a carburetor.  The orifice is small and the force advantage is high so needle valves are easy to shut off completely with mere “finger tight” pressure.  Since flow rates are slow and many turns of the valve stem are required to completely open or close, needle valves are not used for simple shutoff applications.
Innovative Pressure Technologies, an ISO-9001 certified facility manufactures a range of needle valves, from Low Pressure valves to 6,000 PSI to High Pressure Needle Valves to 60,000 PSI.  Its Medium and High Pressure Needle Valves have non-rotating stems which prevent galling and scoring and have Vee or Regulating tip stems.  There are six body styles for a wide variety of applications.  The integral through-holes are for bracket mounting but panel mounting options are also available.  A Gland locking device prevents loosening of the packing gland, thereby reducing leak potential.
Apart from needle valves, Ball Valves, Double Block & Bleed Valves, Check Valves and Manifold Valves, High Pressure Tubings, Fittings and Adaptors are also available.  When needed, IPT designs custom products to suit or meet the demands of specific situations.

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