W.E. Anderson, a division of Dwyer Instruments, Inc., is announcing the release of its Series HNV Needle Valve. The Series HNV Needle Valve is a bar stock style valve that is designed for controlling low flow-rates 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 these ideal for use with corrosives. The Series HNV valves are tested to assure vibration and thermal stability. The valve body includes a lock pin to prevent accidental bonnet disengagement. The Series HNV is available in male x male, male x female, female x female configurations ranging in sizes from 1/8˝ to 1˝ NPT.