W.E. Anderson, a division of Dwyer Instruments, HNV needle valve is a bar stock style valve designed for controlling low flowrates of liquids or gases. The valve series features fine threading and a large seat area to ensure precise flow control. Wetted materials are 316SS and PTFE, making the valve a good fit for corrosive applications. The Series HNV valves are tested to assure vibration and thermal stability. The valve body includes a lock pin to prevent accidental bonnet disengagement. Available in male x male, male x female, female x female configurations ranging in sizes from 1/8˝ to 1˝ NPT.