V15 Needle Valve

The DK-LOK V15 Needle Valve features hard chrome-plated stem threads that assure extended service life with metal-to-metal Vee & Regulating stems for elevated temperatures. The packing nut allows external adjustments of packing and the panel nut allows panel installation.

Features:

  • Repetitive soft seat for gas, leak-tight with reliable DK-LOK® Tube Fitting Ends and NPT & ISO Male & Female
  • Internal bonnet design to eliminate inadvertent stem back-out
  • Panel mounting without packing disruption
  • Choice of round or bar handles

Design:

  • Designed for a wide range of general purpose in gas and liquid applications.
  • Forged Body with Inline and Angle pattern.
  • Integral Bonnet design to eliminate inadvertent stem back-out.
  • Standard metal seal for pressure tightness at elevated temperatures.
  • Standard PTFE packing, and optional PEEK packing for higher temperature service.
  • Packing nut allows external packing adjustment to ensure leak-free packing on stem.
  • Broad choices of end connections include reliable DK-Lok, NPT & ISO Male & Female pipe threads

Stem

Hard chrome plated stem threads assures extended service life

Variety of end connections 

  • Reliable DK-Lok Tube Fitting Ends
  • NPT & ISO Male & Female

Packing 

  • Low operating torque.
  • Standard PTFE
  • Optional Chevron PEEK for high temperature

Choice of Fluid Control

  • Metal to metal Vee & Regulating stems for elevated temperatures
  • Repetitive soft seat for gas leak-tight

Positive Driven Handle

Choice of Round handle and Bar handle

Packing Nut

Allows external adjustments of packing

Panel Nut

Allows panel installation

 

Integral Bonnet Design

To eliminate inadvertent stem back-out

 

Operation:

  • Pressure rating up to 5,000psig (345bar) @100°F (38°C)
  • Temperature rating up to 450°F (232°C) with standard PTFE packing; up to 600°F (315°C) with optional PEEK packing
  • Panel mounting without packing disruption
  • Standard SS316 and Brass material valve construction
  • DK-Lok Gap gauge allows easy inspection for sufficient tube pull-up before a system is pressurized
  • Valves for Sour Gas Service meeting the requirements of NACE MR0175 are available

Testing:

Every valve is tested with the nitrogen @1,000psig (68bar) for leakage at the seat to a maximum allowable leak rate of 0.1 SCCM in addition the packing is tested for no detectable leakage.

 

View V15 Needle Valve Catalog

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