General Utility Service, Needle Valves, GU Series, (MS ... - Eoss.com

General Utility Service Needle ValvesMaterials of ConstructionComponentBodyBonnetNeedlePacking,bonnet sealsLubricantBonnet seal ring,gland nut, shroud,stem, gland, handle,handle lock nut,handle washer,locking pin,gland lock nutStainless SteelValve Body MaterialCarbon SteelMaterial Grade/ASTM SpecificationZinc plated➀316 SS/ carbon steel/A479AISI 1018316 SS/A479S17400 SS/A564Condition H1150DCarbon/glass-filled PTFE orgraphiteFluorinated base with PTFEand tungsten disulfide316 SSWetted components listed in italics.➀ Bodies with weld end connections receive a rust-preventive coatinginstead of zinc plating.Flow DataFlow Coefficient at Turns OpenAnglePatternFlow Coefficient (C v )8GU Series4GU SeriesNumber of Turns OpenPressure-Temperature RatingsTemperature, °F (°C)–20 (–28) to 0 (–17)0 (–17) to 100 (37)00 (93)00 (148)400 (204)450 (232)500 (260)600 (315)650 (343)PTFEPacking MaterialGraphiteWorking Pressure, psig (bar)—6000 (413)5160 (355)4680 (322)4260 (293)4110 (283)———6000 (413)6000 (413)5160 (355)4680 (322)4260 (293)4110 (283)3960 (272)3780 (260)3660 (252)StraightPatternFlow Coefficient (C v )16GU Series8GU SeriesTestingEvery Swagelok GU series needle valve is factorytested with nitrogen at 1000 psig (69 bar). Seats have amaximum allowable leak rate of 0.1 std cm 3 /min. Shelltesting is performed to a requirement of no detectableleakage with a liquid leak detector.Cleaning and PackagingEvery Swagelok GU series needle valve is cleanedand packaged in accordance with Swagelok StandardCleaning and Packaging (SC-10), MS‐06‐62.4GU SeriesNumber of Turns Open