Needle valve HNV series

with handwheelleverblocking

Parker's bar stock HNV and HNAV Sériés hand valves with small ports and needle stem tip allow précisé flow régulation for a wide variety of media in low flow applications. They feature an anti-blowout stem, a self centering, non-rotating stem tip and an externally adjustable gland. As standard, the needle valves have metal-to-metal seats to ensure 100% bubble-tight shut-off, and PTFE gland packing. Soft seat, large bore seat options and graphite packing are also available, along with an extensive range of corrosion résistant body materials, mounting options, anti-tamper spindles, lockable handwheels and T-bars. Parker's H sériés hand valves are available with a wide array of connection types and sizes and are certified to ISO 15848-1 for fugitive émissions. For the ultimate in safety, reliability, speed, and ease of installation these valves can be specified with intégral tube connections utilising Parker A-LOK® (Two Ferrule), CPITM (Single Ferrule) compression fitting technologies, or O-LOK. Parker's hand valves are used in every industry in a wide range of applications - anywhere where accurate and secure control or metering of steam, air, gas, oil, water, or other non-viscous liquids is required. They can be used as both on/off valves and for throttling service. Industries: • Oil and Gas • Chemical • Petrochemical • Power Génération • Nuclear • Transportation • Hydrogen* Petrochemical Alternate fuels