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20NV-Medium Pressure Needle Valves


Hikelok 20NV series are complemented by a complete line of fittings, tubing, check valves and line filters. The 20NV Series uses Autoclave's type Medium pressure connection. The coned-and-threaded connection features orifice sizes to match the high flow characteristics of this series.


  • Maximum working pressure up to 20,000 psi (1379 bar)

  • Working temperature from -325 to 1200 (-198 to 649 )

  • Largest-port valves available for medium pressure applications

  • Tubing sizes available for 1/4", 3/8", 9/16", 3/4", 1"

  • Rising stem/barstock body design

  • Non-rotating stem prevents stem/seat galling

  • New one piece stem design permits ease of assembly and packing replacement

  • PTFE (Teflon) encapsulated packing provides dependable stem and body sealing


  • Metal-to-metal seating achieves bubble-tight shut-off, longer stem/seat life in abrasive flow, greater durability for repeated on/off cycles and excellent corrosion resistance

  • Stem sleeve and packing gland materials have been selected to achieve extended thread cycle life and reduced handle torque

  • Packing below the thread of valve stem

  • The locking device of packing gland is reliable

  • 100% factory tested

More Options

  • Optional Vee or Regulating stem tip

  • Optional five body patterns

  • Optional 3 way and angle flow patterns

  • Optional pneumatic actuation

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