needle valve: 1,material:ss304,ss316,brass,copper 2,size:1/8"-1" 3,brass needle valve 4,quality guarantee Nominal Pressure:6000psiApplicable Temperature:≤150oCApplicable Medium: Oil. Water. Gas and other corrosive or noncorosive mediumThe Materials for Manufacture:304SS,316SS.316L,brassThe Demands for Fitting Pipes:Φ3 to Φ30Cone Thread: ZG, R, GPT, NPT.etc brass ferrule type needle valve