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NVA Needle Valve (Straight Body, Hard Seat)
Brand: Winters Instruments
Features
- 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, 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
Specifications
Brand
Approvals & Certifications
- CRN
Bonnet Material
- 316 Stainless Steel
- Carbon Steel
Cap Material
- Dust Cap: Nylon
Enclosure, Body Material
- 316 Stainless Steel
- Carbon Steel
Handle Assembly Material
- 304 Stainless Steel
- Carbon Steel
Materials of Construction
- Adapter Locknut, Fastening Screw, Gland Washer, Dwell Pin: 304 Stainless Steel (SST)
- Adapter Locknut, Gland Washer, Dwell Pin: Carbon Steel
- 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
- Highly Reliable Throttle & Block Valve for Gas or Liquid Service in Severe Duty Oil & Gas Installations
- Hydraulic Applications
- Power Plants
- Refineries & Processing Plants
- Water Treatment Plants