P Series Needle Valve

Pressures to 15,000 psi (1034 bar)


Since 1945 Parker Autoclave Engineers has designed and built premium quality valves, fittings and tubing. Parker Autoclave Engineers P series valves offer a diverse line of pipe valves rated to 15,000 psi (1034 bar). Sizes range from 1/4" to 1" pipe.


  • P Series valve design provides in-line pipe connections for 1/4” to 1” pipe sizes.

  • Rising stem/bar stock body design.

  • Non-rotating stem prevents stem/seat galling.

  • 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.

  • PTFE encapsulated packing provides dependable stem and body sealing.

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

  • Choice of Vee or Regulating stem tips.

  • Operating temperature range from 0°F (-17°C) to 400°F (204°C).

Parker Autoclave Engineers P Series needle valves are available in 4 sizes for applications such as the chemical/petrochemical, water-blast, water-jet, research, and oil and gas industries. The Parker Autoclave pipe series valve design provides a commercial easy to use connection for gas and liquid service. These valves are complemented by a complete line of fittings, tubing and accessories..

P Series Needle Valve