Series FNV Needle Valves feature a forged body, integral bonnet design with PTFE and metallic wafer stem packing. This provides leak-tight service from vacuum to the maximum operating pressure. Available in Straight and Angle configurations, with NPT and Dual Ferrule Tube connections.
Panel mounting is standard. Standard metal-to-metal stem and optional PCTFE Soft Tip stem provides accurate metering over a wide range of pressures. Suitable for Cryogenic Service. Available in Brass or 316 Stainless Steel to 5000 PSIG.
- Forged Body, Integral Bonnet Design
- Metallic and PTFE Wafer Stem Packing — Low Operating Torque
- Panel Mounting Standard
- Metal-to-Metal Standard, Optional PCTFE Soft Stem Tip
- Straight or Angle Body Configurations
- Male and Female NPT or Dual Ferrule Tube Connections
- Suitable for Cryogenic Service
- Available in Brass or 316 Stainless Steel
- 100% Factory Tested
- Available Cleaned & Packaged for Oxygen Service
- Maximum Operating Pressure @ 100°F: Brass 3000 PSIG (207 bar) | 316 SS 5000 PSIG (345 bar)
- Orifice: 0.17" (4.32 mm) | Flow Coefficient (Cv): 0.37
- Leakage (Internal and External): 0.1 cc/min max at 1000 PSI (69 bar)
- Temperature Range:
- Metal-to-Metal Stem: -320°F to 450°F (-195°C to 232°C)
- PCTFE Soft Stem Tip: -65°F to 200°F (-54°C to 93°C)
- Pressure/Temperature Ratings (Brass): -320°F to 100°F: 3000 PSIG | to 250°F: 2200 PSIG | to 350°F: 1470 PSIG
- Pressure/Temperature Ratings (316 SS): -320°F to 100°F: 5000 PSIG | to 250°F: 4085 PSIG | to 350°F: 3715 PSIG | to 450°F: 3435 PSIG
- Note: T Handle not available with PCTFE Soft Stem Tip option
