NVA Series Needle Valve 1/4" TO 1/2" CPVC & NATURAL PVDF Key FeatureS & BEnefits • ow Available in CPVC & Natural PVDF N • deal for High Purity Applications & I High Temperatures • ntegrated Stem / PTFE Seat Design I • ine Pitch Stem Threads for F Precise Adjustment • djust Flow Rates Down to Drops per Minute A • Accurate Flow Control • Flanges for Panel Mounting • 150 PSI at 70°F Non-Shock Rated • NPT Threaded Ends • Patent Pending Design EXPLODED VIEW Typical Applications • Laboratory and Instrumentation • Water and Wastewater Treatment • Chemical Processing • Food and Beverage • Pharmaceutical • Pulp and Paper • Marine and Corrosive Environments Materials • Natural PVDF per ASTM D3222 Type 1 • CPVC Cell Class 23447 per ASTM D1784 • Heavy Duty FPM O-ring Seals Flow Control: Valves | Actuation & Controls | Strainers | Filters | Bulkhead Fittings & Tank Accessories

NVA Series Needle Valve 1/4" TO 1/2" CPVC & NATURAL PVDF technical information Parts List 1. Body 2. Thumb Wheel 3. Bonnet 4. O-Ring 5. Stem 6. Seat 7. Bezel Dimensions – Inches / Millimeters NOM Size Dimensions are subject to change without notice – consult factory for installation information operating temperature / pressure Cv Values GPM pressure loss calculation formula 2 ∆P = Q Cv ∆P = Pressure Drop Q = Flow in GPM Cv = Flow Coefficient Hayward is a registered trademark of Hayward Industries, Inc. © 2015 Hayward Industries, Inc. Contact Hayward Flow Control with questions: USA: 1.888.429.4635...