Winters Instruments Needle Valve, NVA (Angle Body, Hard Seat)
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NVA Needle Valve (Angle Body, Hard Seat)

Brand: Winters Instruments
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Winters Instruments Needle Valve, NVA (Angle Body, Hard Seat)
Specifications
  • 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 
  • Material includes stainless steel and stainless steel NACE 
  • Available in Hard Seat [psi: 6,000 (kPa: 41,370, bar: 413.7) and psi: 10,000 (kPa: 68,950, bar: 689.5)] 
  • ASME B1.20.1 compliant 
  • CRN registered 

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Specifications

Brand

Approvals & Certifications

  • CRN

Bonnet Material

  • 316 Stainless Steel

Cap Material

  • Dust Cap: Nylon

Enclosure, Body Material

  • 316 Stainless Steel

Handle Assembly Material

  • 304 Stainless Steel

Materials of Construction

  • Adapter Locknut, Fastening Screw, Gland Washer, Dwell Pin: 304 Stainless Steel (SST)
  • Adapter, Needle/Needle Tip: 316 Stainless Steel (SST)

Mounting

  • Carbon Steel or Stainless Steel Panel Mounting Kit

NACE & NIST

  • NACE

NPT Inlet

  • 1” NPT Female
  • 1” NPT Male
  • 1/2” NPT Female
  • 1/2” NPT Male
  • 1/4” NPT Female
  • 1/4” NPT Male
  • 3/4” NPT Female
  • 3/4” NPT Male
  • 3/8” NPT Female
  • 3/8” NPT Male

NPT Outlet

  • 1” NPT Female
  • 1/2” NPT Female
  • 1/4” NPT Female
  • 3/4” NPT Female
  • 3/8” NPT Female

Operating Pressure

  • psi: 6,000 to 10,000 (kPa: 41,369 to 68,948, bar: 413.7 to 689.5)

Packing Material

  • Gland Packing: Graphite
  • Gland Packing: Teflon

Screw Material

  • 304 Stainless Steel

  • Hydraulic Applications
  • Ideally Suited for Severe Duty Oil & Gas Installations
  • Power Plants
  • Refineries & Processing Plants
  • Water Treatment Plants

Documentation

Data Sheets

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