DESCRIPTION APPLICATION FEATURES Valcor’s V522-7010 series needle valves are designed for the most severe service applications, these valves feature a stem backseat for safety, a long cycle life with high temperature capability to 700° F (370° c), and a union bonnet for safe, convenient maintenance. typical applications using this valve type includes high temperature systems, corrosive fluids and hot condensates. • integral stem backseat • union bonnet design • Grafoil packing ring located below stem threads extends service to 700° F (370° c) • 17-4pH stainless steel hardened stem with dry film lubricant on threads and hardened thread gland for increased thread life • non-rotating hardened stem tip prevents galling • Am valves are tested for bubble-tight leakage at both seat and packing • Various end connection choices including tube fittings, female NPT, or tube socket weld connections © 2018 valcor engineering corporation PH:973-467-8400 Fx:973-467-9592 www.VALcoR.coM