V522-7010 2-way Packed Stem Needle Valve

V522-7010 2-way Packed Stem Needle Valve


Valcor’s V522-7010 series needle valves are designed for the most severe service applications, these valves feature a stem backseat for safety, a long cycle life with high temperature capability to 700° F (370° C), and a union bonnet for safe, convenient maintenance.


  • Integral stem backseat
  • Union bonnet design
  • Grafoil packing ring located below stem threads extends service to 700° F (370° C)
  • 17-4PH stainless steel hardened stem with dry film lubricant on threads and hardened thread gland for increased thread life
  • Non-rotating hardened stem tip prevents galling
  • All valves are tested for bubbletight leakage at both seat and packing
  • Various end connection choices including tube fittings, female NPT, or tube socket weld connections


Typical applications using this valve type includes high temperature systems, corrosive fluids and hot condensates.

Category: Instrument Isolation Valves