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Winters NVA Needle Valve/Straight Body, Hard Seat
Highly reliable throttle and block valve for gas or liquid service in severe duty oil and gas installations including refineries and processing plants as well as water treatment plants, power plants and hydraulic applications
Winters NVA Needle Valve/Instrument Valve


Carbon Steel
Carbon Steel
Adapter Locknut:
Carbon Steel
316 SS


  • Excellent flow regulation and leak tight
  • The one-piece body construction (no welding) provides strength, safety and corrosion resistance
  • “Slow opening” prevents sudden pressure surge and instrument damage
  • Materials include carbon steel, carbon steel NACE, stainless steel and stainless steel NACE