Parker V Series Needle Valves are designed for positive leak tight shut-off and regulation of fluids in process, power, and instrumentation applications. With a wide variety of port sizes and styles, temperature capabilities 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.

Features

• Choice of three stem types:
  R-Stem – All metal, blunt stem tip
  N-Stem – All metal, tapered needle stem tip K-Stem – PCTFE stem tip

• Differential hardness between the strain hardened stem and cold formed body threads provides improved cycle life

• Choice of PTFE packing or elastomeric O-ring stem seals

• 316 Stainless Steel, Steel, Brass and Alloy 400 construction

• Inline and angle patterns

• Wide variety of US Customary and SI ports

• Panel mountable

• 100% factory tested

• Optional color coded handles

  Specifications

  • Pressure Ratings: 316 Stainless Steel:

  5000 psig (345 bar) CWP Brass, Steel and Alloy 400:

  3000 psig (207 bar) CWP
  • Orifice: 0.078” to 0.312” (2.0mm to 7.9mm) • Cv: 0.12 to 1.90
  • Port size: 1/8” to 3/4” (3mm to 12mm)
  • Temperature Ratings:

  Stainless Steel and Alloy 400:
  -65 °F to 450 °F (-54 °C to 232 °C)

  Brass:
  -65 °F to 400 °F (-54 °C to 204 °C)

  Steel:
  -20 °F to 350 °F (-29 °C to 177 °C)

  PTFE Packing:
  -65 °F to 450 °F (-54 °C to 232 °C)

  PCTFE Stem Tip:
  -65 °F to 350 °F (-54 °C to 177 °C)

  Buna-N Rubber Stem Seal:
  -30 °F to 250 °F (-34 °C to 121 °C)

  Fluorocarbon Rubber Stem Seal: -15 °F to 400 °F (-26 °C to 204 °C)

  Ethylene Propylene Rubber Stem Seal: -70 °F to 275 °F (-57 °C to 135 °C)

  Note: When combining body, seat and seal materials, the most restrictive temperature rating becomes the limiting factor on temperature range.